CN207851359U - Optical module, optical module cage, optical mode block assembly and optical mode block system - Google Patents
Optical module, optical module cage, optical mode block assembly and optical mode block system Download PDFInfo
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- CN207851359U CN207851359U CN201721862053.XU CN201721862053U CN207851359U CN 207851359 U CN207851359 U CN 207851359U CN 201721862053 U CN201721862053 U CN 201721862053U CN 207851359 U CN207851359 U CN 207851359U
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Abstract
The utility model embodiment discloses a kind of optical module, including shell, pcb board and optical modulator, pcb board are set in shell, optical modulator is set on pcb board, optical modulator is electrically connected with pcb board, and it further includes optical connector and optical fiber that the end set of pcb board, which has electric connector, optical module,；Optical connector is set to the end of shell, and optical connector is located at the same end of shell with electric connector；Optical connector is connect by optical fiber with optical modulator；Optical connector is added by the same end in electric connector, in the case where laser is external, the plug of electric connector and female seat electric connector, and the plug of optical connector and optical connector adapter can be carried out at the same time in one end of optical module, compared with prior art, the user of avoidable optical module needs the problem of optical connector with electric connector opposite end on repeatedly plug optical module in assembly, replacement, repair so that the plug of optical module is more convenient.
Description
Technical field
The utility model is related to technical field of photo communication more particularly to a kind of optical module, optical module cage, optical mode block assemblies
And optical mode block system.
Background technology
Optical module (Optical Module) is often referred to a kind of integration module for opto-electronic conversion, can turn optical signal
It is changed to electric signal, or converts electrical signals to optical signal, is played an important role in optical communication field.
Referring to Fig. 1, for the structural schematic diagram of traditional optical module.Traditional optical module generally includes shell 1 and is arranged in shell
Pcb board 10 on body 1.Referring to Fig. 2, the optical modulator 5 being electrically connected with pcb board 10 is provided on pcb board 10, pcb board 10
One end is provided with metal finger, electric connector 2 of the metal finger as optical module, for being realized by female seat electric connector etc. and outside
The electrical connection of portion's equipment.The other end of shell 1 is provided with traditional optical connector 30, for passing through the realizations such as optical connector adapter
With the light connects of external equipment.Wherein, traditional optical connector 30 is located at the both ends of optical module with electric connector 2.
In data center's communication equipment, the cost is relatively high for optical module, how to reduce the cost of optical module and is always
The hot spot paid close attention in the industry.In traditional optical module, laser is generally arranged at the inside of optical module, each laser as light source
It can only be used for supporting the work of an optical module, this is also to lead to the higher key factor of optical mode block cost.For this purpose, industry
It is proposed it is a kind of laser is zoomed out inside optical module, laser is set to the scheme of the outside of optical module so that laser
It can be shared for multiple optical modules, to achieve the purpose that reduce cost.
In the case where laser is external, if light source connect with traditional optical module by traditional optical connector 30, meeting
So that the user of optical module needs repeatedly plug optical connector, operation more inconvenient in assembly, replacement, repair.
Utility model content
The purpose of this utility model is to provide a kind of optical module, optical module cage, optical mode block assembly and optical mode block system,
To solve existing optical module in the case where laser is external, light source and traditional optical module are connected by traditional optical connector
It connects, the user of optical module needs repeatedly plug optical connector, the more inconvenient problem of operation in assembly, replacement, repair.
The utility model embodiment first aspect provides a kind of optical module, including shell, pcb board and optical modulator, institute
It states pcb board to be set in the shell, the optical modulator is set on the pcb board, the optical modulator and the pcb board
Electrical connection, the end set of the pcb board have electric connector；
The optical module further includes optical connector and optical fiber；
The optical connector is set to the end of the shell, and the optical connector is located at the shell with the electric connector
The same end of body；
The optical connector is connect by the optical fiber with the optical modulator.
By adding an optical connector in the end of optical module shell, and optical connector is located at shell with electric connector
The same end, optical connector are connect with the optical modulator on the pcb board in shell by optical fiber, are made in the case where laser is external
When with optical module, electric connector can with the plug of female seat electric connector and the plug of optical connector and optical connector adapter
It is carried out at the same time, is located at optical connector in the prior art and electric connector opposite on optical module with one end in optical module
Both ends, electric connector are needed with the plug of female seat electric connector and the plug of optical connector and optical connector adapter in light
The both ends of module are compared respectively, and the user that can avoid optical module needs repeatedly plug optical mode in assembly, replacement, repair
On block the problem of optical connector with electric connector opposite end so that the plug of optical module is more convenient.
With reference to first aspect, in first aspect in the first possible realization method, the optical module further includes：With it is described
The optical connector adapter that optical connector is connected, and the optical connector adapter is adapted with the optical connector.
By the end set optical connector in optical module shell, and optical connector is located at the same of shell with electric connector
End, optical connector are connect by optical fiber with the optical modulator on the pcb board in shell, and connection connects with light on optical connector
The compatible optical connector adapter of device is connect, may make optical module directly can be with external other by optical connector adapter
Optical connector connects, while electric connector can also be connect at end where optical connector adapter with female seat electric connector, further
Promote the convenience of optical module plug.
The utility model embodiment second aspect provides a kind of optical module cage, including cage body and optical connector adaptation
Device, the cage body include bottom wall, two side walls, roof and end wall；
Described two side walls are arranged in parallel, and the bottom wall is connected to the bottom of described two side walls, and the roof is connected to
The top of described two side walls, the end wall are connected to the tubular that the bottom wall, described two side walls and the roof surround
The end face of structure；
The optical connector adapter is set to one end of the cage body, the optical connector adapter and the bottom
Wall and the end wall are in contact；
The first hollow-out parts are provided on the roof, first hollow-out parts are located at the one of the optical connector adapter
Side.
By one end of the cage body in optical module cage, optical connector adapter, optical connector adapter and bottom are set
Wall and end wall are in contact, and setting is located at the first hollow-out parts of optical connector adapter side on roof, and optical module is inserted into
To optical module cage body inside when, one end of the optical connector of optical module end can be with the optical connector on optical module cage
Adapter connects, and the other end of the optical connector of optical module end can pass through the first hollow-out parts and optical module by optical fiber, optical fiber
Pcb board on optical modulator connection so that optical module can be by optical module cage after installing the optical module cage
Optical connector adapter directly connect with external optical connector, no longer need to that individual optical connector adapter, optical mode is arranged
Block it is more convenient to use.
In conjunction with second aspect, in second aspect in the first possible realization method, the bottom wall is close to the light connects
One end of device adapter is provided with the second hollow-out parts, and the cage body is provided with female seat electricity in the position of second hollow-out parts
Connector.
Optical connector adapter is set by one end of the cage body in optical module cage, and in the bottom wall of cage body
Female seat electric connector is set so that after optical module installs the optical module cage, the optical connector and optical connector of optical module are suitable
Orchestration connects, while the optical connector adapter on optical module cage can be connect with external optical connector, the electricity of optical module
Connector can be connect in one end where optical connector adapter with female seat electric connector, while realize optical module and external light
Connection and electrical connection, promote the convenience of optical module plug.
The utility model embodiment third aspect provides a kind of optical mode block assembly, including optical module cage, optical connector are fitted
The optical module that orchestration, female seat electric connector and the utility model embodiment first aspect provide；
Accommodating cavity is provided in the optical module cage, the optical connector adapter is set to the end of the accommodating cavity
Portion, the optical connector adapter are adapted with the optical connector, and the female seat electric connector is set to the accommodating cavity
It is internal；
The optical module is inserted in the inside of the accommodating cavity, and the optical connector connects with the optical connector adapter
It connects, the electric connector is connect with the female seat electric connector.
By the way that optical connector adapter and female seat electric connector is arranged in the optical module cage of optical mode block assembly, optical module is inserted
It, also can be real while the electric connector of optical module is connect with female seat electric connector set on the inside of the accommodating cavity of optical module cage
The cooperation of the optical connector and optical connector adapter of existing optical module, so that optical module is connect with other optical connectors.
In conjunction with the third aspect, in the third aspect in the first possible realization method, the quantity of the accommodating cavity is one；
There are one multichannel optical fiber interface, the multichannel optical fiber interface passes through a plurality of light for the optical connector setting
It is fine to be connect with the optical modulator.
In this realization method, the accommodating cavity of optical module cage is set as single layer structure, and female seat electric connector can be with light
Module cage is set as two separate structures, and optical connector is arranged a multichannel optical fiber interface, may make the light of optical module
Connector is connect by fibre ribbon with the optical modulator on pcb board.
In conjunction with the third aspect, in second of possible realization method of the third aspect, the quantity of the accommodating cavity is two
Or it is more than two, two or more described accommodating cavities are stacked in the optical module cage, each accommodating cavity
One optical connector adapter and the female seat electric connector are set；
The quantity of the optical module is identical as the quantity of the accommodating cavity, and the light is plugged in each accommodating cavity
Module；
There are one multichannel optical fiber interface, the multichannel optical fiber interface is excessively a plurality of described for each optical connector setting
Optical fiber is connect with the optical modulator.
In this realization method, the accommodating cavity of optical module cage is set as multilayered structure, and female seat electric connector can be built-in
In optical module cage, every layer of optical connector is arranged a multichannel optical fiber interface, may make the optical module in every layer of accommodating cavity
Optical connector connect with the optical modulator on the pcb board of corresponding optical module by fibre ribbon.
In conjunction with the third aspect, in the third aspect in the third possible realization method, the quantity of the accommodating cavity is one；
The optical connector is provided at least two one-channel optical fiber interfaces, and each one-channel optical fiber interface passes through one
Optical fiber described in item is connect with the optical modulator.
In this realization method, the accommodating cavity of optical module cage is set as single layer structure, and female seat electric connector can be with light
Module cage is set as two separate structures, and optical connector is arranged at least two one-channel optical fiber interfaces, may make optical module
Optical connector connected by optical modulator on a plurality of single optical fiber and pcb board.
In conjunction with the third aspect, in the 4th kind of possible realization method of the third aspect, the quantity of the accommodating cavity is two
Or it is more than two, two or more described accommodating cavities are stacked in the optical module cage, each accommodating cavity
One optical connector adapter and the female seat electric connector are set；
The quantity of the optical module is identical as the quantity of the accommodating cavity, and the light is plugged in each accommodating cavity
Module；
Each optical connector is provided at least two one-channel optical fiber interfaces, and each one-channel optical fiber interface is logical
The optical fiber is crossed to connect with the optical modulator.
In this realization method, the accommodating cavity of optical module cage is set as multilayered structure, and female seat electric connector can be built-in
In optical module cage, every layer of optical connector is arranged at least two one-channel optical fiber interfaces, may make the light in every layer of accommodating cavity
The optical connector of module is connect by a plurality of single optical fiber with the optical modulator on corresponding pcb board.
The utility model embodiment fourth aspect provides a kind of optical mode block system, including light source module and the utility model
The optical mode block assembly that the third aspect provides；
The light source module includes M laser and M optical splitter, and the optical splitter is the roads N optical splitter, the optical module
The quantity of component is N number of, wherein M and N is the positive integer more than or equal to 1；
The output end of each laser is connect with the input terminal of an optical splitter；
There are one output optical fibre groups for the output end connection of each optical splitter, and each output optical fibre group includes N items
Output optical fibre；
N output optical fibre of each output optical fibre group is adapted to the optical connector of N number of optical mode block assembly respectively
Device connects, and the optical connector adapter of each optical mode block assembly is connected with output optical fibre described in M items.
By the way that optical mode laser in the block is external, as a part for the light source module on line card, and in light source die
Each laser being corresponded in block, optical splitter being set with equal beam splitting capabilities, laser is divided into the roads N optical channel by optical splitter, each
Paths are connected to by an output optical fibre in the optical connector adapter of an optical module so that light source module can be supported
Multiple optical modules realize that multiple optical modules share a laser, significantly reduce the cost of optical mode block system.
In conjunction with fourth aspect, in fourth aspect in the first possible realization method, the output optical fibre and the light splitting
One end that device is connected is distributed inside the light source module in disk fibre formula, suitable with the optical connector of each optical mode block assembly
The M output optical fibre of orchestration connection is in pencil inside the light source module.
The distribution of disk fibre formula is set as inside light source module by one end that output optical fibre is connected with optical splitter, in light
Source module is externally attached to the optical connector adapter of optical mode block assembly, can avoid the length of the output optical fibre outside light source module
The long confusion for leading to line card surface placement so that the layout on line card is more succinct orderly.
In conjunction with fourth aspect, in second of possible realization method of fourth aspect, the output optical fibre and the light splitting
It, in formula distribution is fanned out to, is fitted with the optical connector of each optical mode block assembly inside the light source module one end that device is connected
The M output optical fibre of orchestration connection is in divergent shape inside the light source module.
It is set as being fanned out to formula distribution inside light source module by one end that output optical fibre is connected with optical splitter, directly
It is connected to the optical connector adapter of optical mode block assembly in divergent shape, can avoid a fairly large number of optical fiber and wound in light source module
The problem of caused light source module poor radiation, prevents the higher working condition for influencing optical mode block system of light source module temperature.
In conjunction with fourth aspect, in fourth aspect in the third possible realization method, it is provided in the light source module N number of
N output optical fibre of MPO optical connectors, each output optical fibre group connects with one end of N number of MPO optical connectors respectively
It connects, one end of each MPO optical connectors is connected with output optical fibre described in M items；
The light connects that the other end of each MPO optical connectors passes through a fibre ribbon and an optical mode block assembly
Device adapter connects.
By the way that MPO optical connectors are arranged, in an output optical fibre group for coming out each optical splitter in light source module
One output optical fibre focuses on a MPO optical connector, and formed after fibre ribbon be connected to an optical module optical connector it is suitable
On orchestration, compared with being directly connected on line card on the optical connector adapter of optical module by a plurality of output optical fibre, it can make
Layout on line card more it is succinct orderly, while also can avoid greater number of output optical fibre and be directly exposed on line card to be led
The damage of the output optical fibre of cause.
It is provided in the light source module N number of in the 4th kind of possible realization method of fourth aspect in conjunction with fourth aspect
N output optical fibre of wave multiplexer, each output optical fibre group is connect with one end of N number of wave multiplexer respectively, each described
One end of wave multiplexer is connected with output optical fibre described in M items；
The optical connector that the other end of each wave multiplexer passes through a single-path optical fiber and an optical mode block assembly
Adapter connects.
By the way that wave multiplexer is arranged, an output light in the output optical fibre group of each optical splitter out is concentrated into
Optical fiber all the way, and optical fiber is connected on the optical connector adapter of an optical module all the way by this, and passes through a plurality of output optical fibre
Composition fibre ribbon, which is connected on the optical connector adapter of an optical module, to be compared, and can reduce the cost of optical fiber, and then reduce
The cost of entire optical mode block system.
The first possible realization method or second of possible realization method, the light source module in conjunction with fourth aspect
Inside it is provided with packaging part；
The M laser, the M optical splitter and the output optical fibre group integration packaging on the packaging part,
One end that the output optical fibre group is connect with the optical splitter is integrated into fiber array on packaging part.
By the way that laser, optical splitter to be integrated on a packaging part, and output optical fibre group is connect with the optical splitter
One end fiber array is integrated on packaging part, can reduce the size of light source module by direct-coupled mode, reduce light
Source module occupied space on line card.
Description of the drawings
It, below will be to attached drawing needed in the embodiment in order to illustrate more clearly of the technical solution of the utility model
It is briefly described, it should be apparent that, for those of ordinary skills, in the premise of not making the creative labor property
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is a kind of structural schematic diagram of existing optical module；
Fig. 2 is the pcb board schematic diagram of the optical module of Fig. 1；
Fig. 3 is the structural schematic diagram of the first embodiment of optical module provided by the utility model；
Fig. 4 is the close-up schematic view of the optical module of Fig. 3；
Fig. 5 is the schematic diagram of the optical modulator of Fig. 3 and a kind of connection type of pcb board；
Fig. 6 is the schematic diagram of the optical modulator of Fig. 3 and another connection type of pcb board；
Fig. 7 is the structural schematic diagram of the second embodiment of optical module provided by the utility model；
Fig. 8 is the structural schematic diagram of the optical connector adapter of Fig. 7；
Fig. 9 is the structural schematic diagram of the 3rd embodiment of optical module provided by the utility model；
Figure 10 is the structural schematic diagram of the first embodiment for the optical module cage that the utility model embodiment provides；
Figure 11 is the structural schematic diagram of the first embodiment for the optical module cage that the utility model embodiment provides；
Figure 12 is the structural schematic diagram of the second embodiment for the optical module cage that the utility model embodiment provides；
Figure 13 is the structural schematic diagram of the first embodiment for the optical mode block assembly that the utility model embodiment provides；
Figure 14 is the structural schematic diagram of the second embodiment for the optical mode block assembly that the utility model embodiment provides；
Figure 15 is the structural schematic diagram of the 3rd embodiment for the optical mode block assembly that the utility model embodiment provides；
Figure 16 is the structural schematic diagram of the fourth embodiment for the optical mode block assembly that the utility model embodiment provides；
Figure 17 is the schematic diagram of traditional optical mode block system；
Figure 18 is the schematic diagram of the optical module in Figure 17；
Figure 19 is the schematic diagram of the first embodiment for the optical mode block system that the utility model embodiment provides；
Figure 20 is the schematic diagram that the light source module of Figure 17 is connect with optical mode block assembly；
Figure 21 is the schematic diagram of the second embodiment for the optical mode block system that the utility model embodiment provides；
Figure 22 is the schematic diagram of the 3rd embodiment for the optical mode block system that the utility model embodiment provides；
Figure 23 is the schematic diagram of the fourth embodiment for the optical mode block system that the utility model embodiment provides；
Figure 24 is the schematic diagram of the 5th embodiment of the optical mode block system that the utility model embodiment provides；
Figure 25 is the schematic diagram of the light source module of Figure 24.
Specific implementation mode
In order to make those skilled in the art more fully understand the technical scheme in the embodiment of the utility model, and make this reality
Can be more obvious and easy to understand with the above objects, features, and advantages of new embodiment, below in conjunction with the accompanying drawings to the utility model reality
The technical solution applied in example is described in further detail.
Fig. 3 to Fig. 4 is please referred to, is a kind of structural schematic diagram of the first embodiment of optical module provided by the utility model,
The first embodiment of the optical module includes shell 1, pcb board 10 and optical modulator 5, and pcb board 10 is set in shell 1, light tune
Device 5 processed is set on pcb board 10, and optical modulator 5 is electrically connected with pcb board 10, and the end set of pcb board 10 has electric connector 2.Light
Module further includes optical connector 3 and optical fiber 4, and optical connector 3 is set to the end of shell 1, optical connector 3 and electric connector 2
Positioned at the same end of shell 1, optical connector 3 is connect by optical fiber 4 with optical modulator 5.It is opposite with electric connector 2 on shell 1
One end is still similar with traditional optical module, an optical connector is arranged, for receiving and exporting optical signal.
Wherein, shell 1 can be structural member made of metal or other materials, for being risen to the element inside optical module
To the effect of support and protection.Optical modulator 5 can be silicon light modulators, such as Mach-Zehnder modulators or annular modulation
Device etc..As shown in figure 5, the mode that gold thread bonding (Wire Bond) can be used in optical modulator 5 is electrically connected with pcb board 10.Light modulation
Device 5 is fixed on by adhesive layer 501 on pcb board 10, and is welded optical modulator 5 and pcb board 10 by gold thread 502, to real
Existing optical modulator 5 is electrically connected with pcb board 10.As shown in fig. 6, welded ball array encapsulation (Ball can also be used in optical modulator 5
Grid Array, BGA) mode be electrically connected with pcb board 10.The bottom of optical modulator 5 passes through soldered ball 503 and phase on pcb board 10
The pad 504 answered welds, to realize being electrically connected for optical modulator 5 and pcb board 10.
Electric connector 2 is the golden finger of the end set of pcb board 10, can play the role of connector.Optical connector 3 can lead to
The end that fixing piece is fixed on shell 1 is crossed, the end of shell 1, optical connector 3 and electricity can also be bonded in by the way of bonding
Connector 2 is located at the same end on optical module, and optical connector 3 is located at the top of electric connector 2.Optical connector 3 can be MT
Lock pin optical fiber connector can also be LC optical fiber connectors or FC optical fiber connectors etc..When optical module needs and external equipment
Carry out light connects with being electrically connected when, can by optical module end optical connector and electric connector the same end of optical module into
Row plug, without being electrically connected the plug of device and optical connector respectively at the both ends of optical module, operation is more convenient.
In the present embodiment, multichannel optical fiber interface, optical fiber 4 include specially more there are one settings on optical connector 3
The fibre ribbon of light, optical connector 3 are connect by the fibre ribbon with optical modulator 5.In addition, optical connector 3 can also be arranged
There are multiple one-channel optical fiber interfaces, connect an individual optical fiber in each one-channel optical fiber interface connect with optical modulator 5.
As known from the above, a kind of optical module that the utility model embodiment provides, by being added above electric connector
One optical connector makes one end of optical module while having optical connector and electric connector, makes in the case where laser is external
When with optical module, electric connector can with the plug of female seat electric connector and the plug of optical connector and optical connector adapter
It is carried out at the same time, is located at optical connector in the prior art and electric connector opposite on optical module with one end in optical module
Both ends, electric connector are needed with the plug of female seat electric connector and the plug of optical connector and optical connector adapter in light
The both ends of module are compared respectively, and the user that can avoid optical module needs repeatedly plug optical mode in assembly, replacement, repair
On block with the optical connector of electric connector opposite end so that the plug of optical module is more convenient.
Referring to Fig. 7, being a kind of structural schematic diagram of the second embodiment of optical module provided by the utility model, the optical mode
The first embodiment of block and above-mentioned optical module difference lies in：The optical mode further includes the optical connector being connected with optical connector 3
Adapter 6, and optical connector adapter 6 is adapted with optical connector 3.As shown in figure 8, one end of optical connector adapter 6 is set
It is equipped with the first optical connector interface 601, the other end is provided with the second optical connector interface 602.Second optical connector interface 602 with
Optical connector 3 is connected.Optical connector 3 shown in Fig. 7 be setting there are one multichannel optical fiber interface optical connector, second
The structure of the concrete structure of optical connector interface 602 optical connector 3 is adapted.First optical connector interface 601 be used for it is outer
Another optical connector in portion connects, to realize the light connects of optical module and external equipment.
Referring to Fig. 9, being a kind of structural schematic diagram of the 3rd embodiment of optical module provided by the utility model, light connects
One end of device adapter 6 is provided with the first optical connector interface 601, and the other end is provided with the second optical connector interface 602.Second
Optical connector interface 602 is connected with optical connector 3.The second embodiment of the optical module and above-mentioned optical module difference lies in：
It is the optical connector for being provided with multiple one-channel optical fiber interfaces difference lies in, optical connector, the second of optical connector adapter 6
The concrete structure of optical connector interface 602 is adapted with the structure of the optical connector 3.
0 to Figure 11 is please referred to Fig.1, is a kind of first embodiment of optical module cage provided by the utility model, the optical mode
The first embodiment of block cage includes cage body 80 and optical connector adapter 6, and cage body 80 includes bottom wall 801, two
Side wall 802, roof 803 and end wall 804.
Wherein, two side walls 802 are arranged in parallel, and bottom wall 801 is connected to the bottom of two side walls 802, and roof 803 is connected to
The top of two side walls 802, end wall 804 are connected to the tubular structure that bottom wall 801, two side walls 802 and roof 803 surround
End face.Optical connector adapter 6 is set to one end of cage body 80, optical connector adapter 6 and bottom wall 801 and end wall
804 are in contact, and the first hollow-out parts 8031 are provided on roof 803, and the first hollow-out parts 8031 are located at the one of optical connector adapter 6
Side.
The optical module cage that the utility model embodiment provides, optical connector adapter 6 can pass through fixing piece or glue
It is fixed in cage body 80.The cage body 80 can be used for being set in the outside of optical module shown in Fig. 3 so that optical module cage
Optical connector adapter 6 on son is connected with the optical connector 3 on optical module.The structure and optical mode of optical connector adapter 6
Optical connector 3 on block is adapted.
Light connects are arranged by one end of the cage body 80 in optical module cage 8 in the first embodiment of the optical module cage
Device adapter 6, optical connector adapter 6 are in contact with bottom wall 801 and end wall 804, and setting is located at light company on roof 803
The first hollow-out parts 8031 for connecing 6 side of device adapter, when optical module 100 is inserted into the inside of optical module cage body 80, optical mode
One end of the optical connector 3 of 100 end of block can be connect with the optical connector adapter 6 on optical module cage, 100 end of optical module
The other end of optical connector 3 can connect optical fiber 4, optical fiber 4 pass through the first hollow-out parts 8031 on the pcb board 10 of optical module 100
Optical modulator 5 connect so that optical module 100 can be connected after installing the optical module cage by the light on optical module cage
It connects device adapter 6 directly to connect with external optical connector, no longer needs to that individual optical connector adapter is arranged, optical module makes
With more convenient.
2 are please referred to Fig.1, a kind of second embodiment of optical module cage provided by the utility model, in light shown in Fig. 10
On the basis of module cage, bottom wall 801 is provided with the second hollow-out parts 8011, cage sheet close to one end of optical connector adapter 6
Body 80 is provided with female seat electric connector 7 in the position of the second hollow-out parts 8011.
The optical module cage that the utility model embodiment provides is single layer cage, and female seat electric connector 7 can be arranged online
It is two independent components on the pcb board of card veneer, between female seat electric connector 7 and cage body 80.Cage body 80 is arranged
It after the outside of optical module shown in Fig. 3, may be provided on line card veneer, female seat electric connector 7 is electrically connected with optical module
Device 2 connects.In addition, the optical module cage may be the double-deck cage, female seat electric connector 7 is built in the interior of cage body 80
Portion.
Light connects are arranged by one end of the cage body 80 in optical module cage in the second embodiment of the optical module cage
Device adapter 6, and female seat electric connector 7 is set in the bottom wall of cage body 80 801 so that optical module 100 installs the optical mode
After block cage, the optical connector 3 of optical module 100 is connect with optical connector adapter 6, the optical connector adaptation on optical module cage
While device 6 can be connect with external optical connector, the electric connector 2 of optical module 100 can be at 6 place of optical connector adapter
One end is connect with female seat electric connector 7, while being realized optical module and external light connects and being electrically connected, and optical module plug is promoted
Convenience.
3 are please referred to Fig.1, is the first embodiment of optical mode block assembly provided by the utility model, optical mode block assembly includes light
Module cage 8, optical connector adapter 6, female seat electric connector 7 and optical module 100, the optical module 100 can be above
Any one optical module in optical module embodiment.
Wherein, accommodating cavity 81 is provided in optical module cage 8, the quantity of accommodating cavity 81 is one, i.e. optical module cage 8 is
Single layer cage, it is internal that an optical module 100 is only set.Optical connector adapter 6 is fixed on accommodating by fixing piece or glue
The end of chamber 81, optical connector adapter 6 are adapted with the optical connector 3 of optical module 100.Female seat electric connector 7 and optical module
Cage 8 is individual two components, and female seat electric connector 7 can be arranged on the line card PCB outside optical module 100, optical module
After cage 8 is mounted on line card PCB, female seat electric connector 7 stretches into inside the accommodating cavity 81 of optical module cage 8, with optical module
100 electric connector 2 connects.There are one multichannel optical fiber interface 31, multichannel optical fiber interfaces 31 to pass through more for the setting of optical connector 3
Optical fiber 4 is connect with optical modulator 5.
The first embodiment of the optical mode block assembly in optical module cage 8 by being arranged optical connector adapter 6 and female seat electricity
Connector 7, optical module 100 are inserted in the inside of the accommodating cavity 81 of optical module cage 8, the electric connector 2 and female seat of optical module 100
While electric connector 7 connects, the cooperation of the optical connector 3 and optical connector adapter 6 of optical module 100 can be also realized, so as to
Optical module 100 is connect with other optical connectors.
4 are please referred to Fig.1, is the second embodiment of optical mode block assembly provided by the utility model, the of the optical mode block assembly
The first embodiment of two embodiments and above-mentioned optical mode block assembly difference lies in：The quantity of accommodating cavity 81 be two or two with
On, two or more accommodating cavities 81 are stacked in optical module cage 8, and an optical connector is arranged in each accommodating cavity 81
Adapter 6 and female seat electric connector 7.The quantity of optical module 100 is identical as the quantity of accommodating cavity 81, is plugged in each accommodating cavity 81
One optical module 100, there are one multichannel optical fiber interface 31, multichannel optical fiber interfaces 31 to pass through more for the setting of each optical connector 3
Optical fiber 4 is connect with optical modulator 5.Optical mode block assembly shown in Fig. 10 is that the quantity of the accommodating cavity 81 in optical module cage 8 is
Two situations.
The second embodiment of the optical mode block assembly sets the accommodating cavity 81 of optical module cage 8 to multilayered structure, female seat electricity
Connector 7 is built in optical module cage 8, and every layer of optical connector 3 is arranged a multichannel optical fiber interface 31, may make every layer of appearance
The optical connector 3 for setting the optical module 100 in chamber 81 passes through the optical modulator 5 on the pcb board 10 of fibre ribbon and corresponding optical module 100
Connection, it can be achieved that the optical connector and electric connector of optical module while plug.
5 are please referred to Fig.1, is the 3rd embodiment of optical mode block assembly provided by the utility model, the of the optical mode block assembly
The second embodiment of three embodiments and above-mentioned optical mode block assembly difference lies in：The quantity of accommodating cavity 81 is one, optical connector 3
At least two one-channel optical fiber interfaces 32 are provided with, each one-channel optical fiber interface 32 is connected by an optical fiber 4 and optical modulator 5
It connects.
The 3rd embodiment of the optical mode block assembly sets the accommodating cavity 81 of optical module cage 8 to single layer structure, female seat electricity
Connector 7 is set as two separate structures with optical module cage 8, and at least two one-channel optical fiber interfaces are arranged in optical connector 3
32, it may make the optical connector 3 of optical module 100 to be connect with the optical modulator 5 on pcb board 10 by a plurality of single optical fiber.
6 are please referred to Fig.1, is the fourth embodiment of optical mode block assembly provided by the utility model, the of the optical mode block assembly
The 3rd embodiment of four embodiments and above-mentioned optical mode block assembly difference lies in：The quantity of accommodating cavity 81 be two or two with
On, two or more accommodating cavities 81 are stacked in optical module cage 8, and an optical connector is arranged in each accommodating cavity 81
Adapter 6 and female seat electric connector 7.The quantity of optical module 100 is identical as the quantity of accommodating cavity 81, is plugged in each accommodating cavity 81
One optical module 100.Each optical connector 3 is provided at least two one-channel optical fiber interfaces 32, each one-channel optical fiber interface
32 are connect by an optical fiber 4 with optical modulator 5.Optical mode block assembly shown in Figure 12 is the accommodating cavity 81 in optical module cage 8
Quantity be two situations.
The fourth embodiment of the optical mode block assembly sets the accommodating cavity 81 of optical module cage 8 to multilayered structure, female seat electricity
Connector 7 is built in optical module cage 8, and at least two one-channel optical fiber interfaces 32 are arranged in every layer of optical connector 3, may make every
The optical connector 3 of optical module 100 in layer accommodating cavity 81 passes through the light modulation on a plurality of single optical fiber 4 and corresponding pcb board 10
Device 5 connects.
7 to Figure 18 are please referred to Fig.1, for the schematic diagram of traditional optical mode block system.901 He of master chip is provided on line card 900
Traditional optical mode block assembly 201.The laser 91 of traditional optical mode block assembly 201 is built in inside traditional optical mode block assembly 201, with light
Modulator 5 connects.Master chip 901 is connected by high-speed channel PCB trace and the electric connector of traditional 201 one end of optical mode block assembly
It connects.The optical connector of traditional 201 other end of optical mode block assembly is for realizing into or out optical signal.Traditional optical mode block assembly
Light receiving element, high speed electrical chip, driver and processor etc. are additionally provided in 201.
In optical module technology, the EML (Externally of EA (Electro Absorption, electric absorption) modulator
Modulated laser, external modulation laser) laser cost it is higher, therefore industry generally use DML (directly modulate
Laser) laser and silicon light modulators coordinate CW (Continuous wave, continuous wave) laser, in conjunction with non-hermetically sealed envelope
Dress, to further reduce the cost.Silicon light modulators can be MZM (Mach-Zehnder modulator, Mach-Zehnder tune
Device processed) or RM (Ring Modulator, ring modulator).In order to save optical fiber, data center is more desirable to use CWDM
(Coarse Wavelength Division Multiplexing, coarse wavelength division multiplexer) optical module, for CWDM optical modules,
Must then it use the laser of 4 road different wave lengths as light source.But in order to ensure the coupling yield of No. 4 lasers, can increase compared with
More costs, also, the cost of laser is still higher, so that optical mode block cost does not remain high still.
9 to Figure 20 are please referred to Fig.1, is a kind of first embodiment of optical mode block system provided by the utility model, the optical mode
Block system includes light source module 9 and any one optical mode block assembly 200 that the utility model embodiment provides.Light source module 9
It may be contained on line card 900 with optical mode block assembly 200, in addition, being additionally provided with master chip 901 on line card 900.
Wherein, light source module 9 includes M laser 91 and M optical splitter 92, and optical splitter 92 is the roads N optical splitter, can will be swashed
The light that light device 91 is sent out is divided into the roads N optical channel, can be denoted as channel one, channel two, channel three, channel four ... channel N respectively.Light
The quantity of modular assembly 200 is N number of, wherein M and N is the positive integer more than or equal to 1, in the present embodiment, M=4, N=8,
Laser 91 is the laser of 4 different wave lengths, to adapt to the application of CWDM.It is logical that optical splitter 92 can be divided into 4,8,16 etc.
Road, as long as meeting whole optical link Channel depletion requirement.
The output end of each laser 91 is connect with the input terminal of an optical splitter 92.The output end of each optical splitter 92 connects
It connects there are one output optical fibre group, each output optical fibre group includes 8 output optical fibres 93, and it is logical that every output optical fibre 93 corresponds to light all the way
Road.8 output optical fibres 93 of each output optical fibre group are connect with the optical connector adapter of 8 optical mode block assemblies 200 6 respectively,
And then it realizes with the connection of optical modulator 5, another light connects of one end opposite with electric connector 2 on optical mode block assembly 200
Device for realizing light input signal and optical output signal transmission.The optical connector adapter 6 of each optical mode block assembly 200 connects
4 output optical fibres 93 are connected to, which is respectively from 4 different optical splitters 92.In optical mode block assembly 200
It is additionally provided with light receiving element, high speed electrical chip, driver and processor etc., prior art reality can be used in these components
Existing, details are not described herein again.The quantity of master chip 901 is 2, and each master chip 901 passes through 4 high-speed channel PCB traces respectively
It is connect with the female seat electric connector 7 of 4 optical mode block assemblies 200, sends signal for realizing electricity and electricity receives the transmission of signal.
The present embodiment is by external by the laser 91 in optical mode block assembly 200, as the light source module 9 on line card 900
A part, and correspond in light source module 9 each laser 91 and optical splitter 92 be set with equal beam splitting capabilities, laser 91 is logical
It crosses optical splitter 92 and is divided into the roads N optical channel, each paths are connected to an optical mode block assembly 200 by an output optical fibre 93
Optical connector adapter 6 in so that light source module 9 can support multiple optical modules, realize that shared one of multiple optical modules swash
Light device significantly reduces the cost of optical mode block system.When the external high speed battery core length of a film that can also solve inside optical module of laser 91
Between operating temperature it is higher, harmful effect is led to the problem of to laser.
Optical mode block assembly 200 is compared with traditional optical mode block assembly 201, due to electric connector and the optical connector position of optical module
In the same end so that the connection of external laser and optical module can be realized on line card, without in the face of system equipment
The plug of multiple optical ports is carried out on plate, need not additionally increase such as other light components of circulator, to reduce optical mode block system
Cost.
It is and every in addition, the one end that is connected with optical splitter 92 of output optical fibre 93 is distributed inside light source module 9 in disk fibre formula
The M output optical fibre 93 that the optical connector adapter 6 of a optical mode block assembly 200 connects is in pencil inside light source module 9, is passed through
One end that output optical fibre 93 is connected with optical splitter 92 is set to the distribution of disk fibre formula inside light source module 9, in light source module 9
It is externally attached to the optical connector adapter 6 of optical mode block assembly 200, can avoid the length of the output optical fibre 93 outside light source module 9
Spend the long confusion for leading to 900 surface placement of line card so that the layout on line card 900 is more succinct orderly.
Please refer to Figure 21, be a kind of second embodiment of optical mode block system provided by the utility model, the present embodiment with it is upper
State the first embodiment of optical mode block system the difference is that：One end that output optical fibre 93 is connected with optical splitter 92 is in light source
9 inside of module is distributed in the formula that is fanned out to, the M output optical fibre 93 being connect with the optical connector adapter 6 of each optical mode block assembly 200
It is in divergent shape inside light source module 9, remaining structure is identical as the above-mentioned first embodiment of optical mode block system, no longer superfluous herein
It states.The second embodiment of the optical mode block system is by one end that output optical fibre 93 is connected with optical splitter 92 in light source module 9
Inside is set as being fanned out to formula distribution, and the optical connector adapter 6 of optical mode block assembly 200 is directly connected in divergent shape, can avoid
A fairly large number of optical fiber winds the problem of caused 9 poor radiation of light source module in light source module 9, prevents light source module 9
The higher working condition for influencing optical mode block system of temperature.
Please refer to Figure 22, be a kind of 3rd embodiment of optical mode block system provided by the utility model, the present embodiment with it is upper
State the second embodiment of optical mode block system the difference is that：8 MPO optical connectors 94 are provided in light source module 9, each
8 output optical fibres 93 of output optical fibre group are connect with one end of 8 MPO optical connectors 94 respectively, each MPO optical connectors 94
One end is connected with 4 output optical fibres 93, which is respectively from 4 different optical splitters 92.Each MPO light
The other end of connector 94 is connect by a fibre ribbon 95 with the optical connector adapter 6 of an optical mode block assembly 200, remaining
Structure is identical as the above-mentioned second embodiment of optical mode block system, and details are not described herein again.The 3rd embodiment of the optical mode block system
By the way that MPO optical connectors 94 are arranged, one in an output optical fibre group for coming out each optical splitter 92 in light source module 9
Output optical fibre 93 focuses on a MPO optical connector 94, and forms after fibre ribbon 95 light for being connected to an optical mode block assembly 200
On connector adapter 6, and directly it is connected on the optical connector adapter of optical module on line card by a plurality of output optical fibre
It compares, may make the layout on line card more succinct orderly, while also can avoid greater number of output optical fibre and being directly exposed to
The damage of output optical fibre caused by line card.
Please refer to Figure 23, be a kind of fourth embodiment of optical mode block system provided by the utility model, the present embodiment with it is upper
State the second embodiment of optical mode block system the difference is that：8 wave multiplexers 96 are provided in light source module 9, it is each to export
8 output optical fibres 93 of optical fiber group are connect with one end of 8 wave multiplexers 96 respectively, and one end of each wave multiplexer 96 is connected with 4
Output optical fibre 93.The light connects that the other end of each wave multiplexer 96 passes through a single-path optical fiber 97 and an optical mode block assembly 200
Device adapter 6 connects, remaining structure is identical as the above-mentioned second embodiment of optical mode block system, and details are not described herein again.The optical mode
The fourth embodiment of block system is by being arranged wave multiplexer 96, one in the output optical fibre group that each optical splitter 92 is come out
Output optical fibre 93 is concentrated into optical fiber 97 all the way, and optical fiber 97 is connected to the optical connector of an optical mode block assembly 200 all the way by this
On adapter 6, phase on the optical connector adapter of an optical module is connected to fibre ribbon is constituted by a plurality of output optical fibre
Than the cost of optical fiber can be reduced, and then reduces the cost of entire optical mode block system.
Figure 24 to Figure 25 is please referred to, is a kind of 5th embodiment of optical mode block system provided by the utility model, wherein figure
24 only illustrate the connection of an optical mode block assembly 200 and light source module 9.The of the present embodiment and above-mentioned optical mode block system
Two embodiments the difference is that：Be provided in light source module 9 91,4, the laser optical splitter 92 of packaging part 90,4 and
On packaging part 90, one end that output optical fibre group is connect with optical splitter 92 integrates output optical fibre group integration packaging on packaging part 90
For fiber array 930.5th embodiment of the optical mode block system by laser 91, optical splitter 92 by being integrated in a packaging part
On 90, and one end that output optical fibre group is connect with the optical splitter 92 is integrated into fiber array 930 on packaging part 90, passes through
Direct-coupled mode can reduce the size of light source module, reduce light source module occupied space on line card.
Above to a kind of optical module provided by the utility model, optical module cage, optical mode block assembly and optical mode block system,
It being described in detail, specific case used herein is expounded the principles of the present invention and embodiment, with
The explanation of upper embodiment is merely used to help understand the method and its core concept of the utility model；Meanwhile for this field
Those skilled in the art, according to the thought of the utility model, there will be changes in the specific implementation manner and application range.
In conclusion the content of the present specification should not be construed as a limitation of the present invention.
Claims (15)
1. a kind of optical module, including shell (1), pcb board (10) and optical modulator (5), the pcb board (10) is set to described
In shell (1), the optical modulator (5) is set on the pcb board (10), the optical modulator (5) and the pcb board (10)
Electrical connection, the end set of the pcb board (10) have electric connector (2), which is characterized in that
The optical module further includes optical connector (3) and optical fiber (4)；
The optical connector (3) is set to the end of the shell (1), the optical connector (3) and the electric connector (2) position
The same end in the shell (1)；
The optical connector (3) is connect by the optical fiber (4) with the optical modulator (5).
2. optical module according to claim 1, which is characterized in that further include：The light being connected with the optical connector (3)
Connector adapter (6), and the optical connector adapter (6) is adapted with the optical connector (3).
3. a kind of optical module cage, which is characterized in that including cage body (80) and optical connector adapter (6), the cage
Ontology (80) includes bottom wall (801), two side walls (802), roof (803) and end wall (804)；
Described two side walls (802) are arranged in parallel, and the bottom wall (801) is connected to the bottom of described two side walls (802), described
Roof (803) is connected to the top of described two side walls (802), and the end wall (804) is connected to the bottom wall (801), described
The end face for the tubular structure that two side walls (802) and the roof (803) surround；
The optical connector adapter (6) is set to one end of the cage body (80), the optical connector adapter (6) with
The bottom wall (801) and the end wall (804) are in contact；
The first hollow-out parts (8031) are provided on the roof (803), first hollow-out parts (8031) are located at the light connects
The side of device adapter (6).
4. optical module cage according to claim 3, which is characterized in that the bottom wall (801) is close to the optical connector
One end of adapter (6) is provided with the second hollow-out parts (8011), and the cage body (80) is in second hollow-out parts (8011)
Position be provided with female seat electric connector (7).
5. a kind of optical mode block assembly, which is characterized in that be electrically connected including optical module cage (8), optical connector adapter (6), female seat
Connect device (7) and optical module described in claim 1 (100)；
It is provided with accommodating cavity (81) in the optical module cage (8), the optical connector adapter (6) is set to the accommodating cavity
(81) end, the optical connector adapter (6) are adapted with the optical connector (3), and the female seat electric connector (7) sets
It is placed in the inside of the accommodating cavity (81)；
The optical module (100) is inserted in the inside of the accommodating cavity (81), and the optical connector (3) is suitable with the optical connector
Orchestration (6) connects, and the electric connector (2) connect with the female seat electric connector (7).
6. optical mode block assembly according to claim 5, which is characterized in that the quantity of the accommodating cavity (81) is one；
There are one multichannel optical fiber interface (31), the multichannel optical fiber interface (31) passes through more for optical connector (3) setting
Optical fiber described in item (4) is connect with the optical modulator (5).
7. optical mode block assembly according to claim 5, which is characterized in that the quantity of the accommodating cavity (81) is two or two
More than a, two or more described accommodating cavities (81) are stacked in the optical module cage (8), each described accommodating
An optical connector adapter (6) and the female seat electric connector (7) is arranged in chamber (81)；
The quantity of the optical module (100) is identical as the quantity of the accommodating cavity (81), is plugged in each accommodating cavity (81)
One optical module (100)；
There are one multichannel optical fiber interface (31), the multichannel optical fiber interface (31) is logical for each optical connector (3) setting
The a plurality of optical fiber (4) is crossed to connect with the optical modulator (5).
8. optical mode block assembly according to claim 5, which is characterized in that the quantity of the accommodating cavity (81) is one；
The optical connector (3) is provided at least two one-channel optical fiber interfaces (32), each one-channel optical fiber interface
(32) it is connect with the optical modulator (5) by an optical fiber (4).
9. optical mode block assembly according to claim 5, which is characterized in that the quantity of the accommodating cavity (81) is two or two
More than a, two or more described accommodating cavities (81) are stacked in the optical module cage (8), each described accommodating
An optical connector adapter (6) and the female seat electric connector (7) is arranged in chamber (81)；
The quantity of the optical module (100) is identical as the quantity of the accommodating cavity (81), is plugged in each accommodating cavity (81)
One optical module (100)；
Each optical connector (3) is provided at least two one-channel optical fiber interfaces (32), and each one-channel optical fiber connects
Mouth (32) is connect by an optical fiber (4) with the optical modulator (5).
10. a kind of optical mode block system, which is characterized in that including light source module (9) and claim 5~6 any one of them
Optical mode block assembly (200)；
The light source module (9) includes M laser (91) and M optical splitter (92), and the optical splitter (92) is divided for the roads N
The quantity of device, the optical mode block assembly (200) is N number of, wherein M and N is the positive integer more than or equal to 1；
The output end of each laser (91) is connect with the input terminal of an optical splitter (92)；
There are one output optical fibre groups for the output end connection of each optical splitter (92), and each output optical fibre group includes N items
Output optical fibre (93)；
The N output optical fibre (93) of each output optical fibre group optical connector with N number of optical mode block assembly (200) respectively
Adapter (6) connects, and the optical connector adapter (6) of each optical mode block assembly (200) is connected with output optical fibre described in M items
(93)。
11. optical mode block system according to claim 10, which is characterized in that the output optical fibre (93) and the optical splitter
(92) one end being connected is distributed inside the light source module (9) in disk fibre formula, with each optical mode block assembly (200)
The M output optical fibre (93) of optical connector adapter (6) connection is in pencil inside the light source module (9).
12. optical mode block system according to claim 10, which is characterized in that the output optical fibre (93) and the optical splitter
(92) one end being connected is distributed inside the light source module (9) in the formula that is fanned out to, with each optical mode block assembly (200)
The M output optical fibre (93) of optical connector adapter (6) connection is in divergent shape inside the light source module (9).
13. optical mode block system according to claim 10, which is characterized in that be provided in the light source module (9) N number of
MPO optical connectors (94), the N output optical fibre (93) of each output optical fibre group respectively with N number of MPO optical connectors
(94) one end connection, one end of each MPO optical connectors (94) are connected with output optical fibre (93) described in M items；
The other end of each MPO optical connectors (94) passes through a fibre ribbon (95) and an optical mode block assembly
(200) optical connector adapter (6) connection.
14. optical mode block system according to claim 10, which is characterized in that be provided with N number of conjunction in the light source module (9)
The N output optical fibre (93) of wave device (96), each output optical fibre group connects with one end of N number of wave multiplexer (96) respectively
It connects, one end of each wave multiplexer (96) is connected with output optical fibre (93) described in M items；
The other end of each wave multiplexer (96) passes through a single-path optical fiber (97) and optical mode block assembly (200)
Optical connector adapter (6) connects.
15. optical mode block system according to claim 11 or 12, which is characterized in that be provided in the light source module (9)
Packaging part (90)；
The M laser (91), the M optical splitter (92) and the output optical fibre group integration packaging are in the packaging part
(90) on, one end that the output optical fibre group is connect with the optical splitter (92) is integrated into fiber array on packaging part (90)
(930)。
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|---|---|---|---|
| CN201721862053.XU CN207851359U (en) | 2017-12-27 | 2017-12-27 | Optical module, optical module cage, optical mode block assembly and optical mode block system |
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|---|---|---|---|
| CN201721862053.XU CN207851359U (en) | 2017-12-27 | 2017-12-27 | Optical module, optical module cage, optical mode block assembly and optical mode block system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110989099A (en) * | 2019-11-18 | 2020-04-10 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| WO2021098144A1 (en) * | 2019-11-18 | 2021-05-27 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| CN113810120A (en) * | 2020-06-14 | 2021-12-17 | 迈络思科技丹麦有限公司 | Pluggable laser module for improving safety |
| WO2022179546A1 (en) * | 2021-02-26 | 2022-09-01 | 华为技术有限公司 | Photoelectric adapter and communication system |
| CN115250625B (en) * | 2021-02-26 | 2024-05-03 | 华为技术有限公司 | Photoelectric adapter and communication system |
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2017
- 2017-12-27 CN CN201721862053.XU patent/CN207851359U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110989099A (en) * | 2019-11-18 | 2020-04-10 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| WO2021098144A1 (en) * | 2019-11-18 | 2021-05-27 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| CN110989099B (en) * | 2019-11-18 | 2021-11-23 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| CN113810120A (en) * | 2020-06-14 | 2021-12-17 | 迈络思科技丹麦有限公司 | Pluggable laser module for improving safety |
| WO2022179546A1 (en) * | 2021-02-26 | 2022-09-01 | 华为技术有限公司 | Photoelectric adapter and communication system |
| CN115250625A (en) * | 2021-02-26 | 2022-10-28 | 华为技术有限公司 | Photoelectric adapter and communication system |
| CN115250625B (en) * | 2021-02-26 | 2024-05-03 | 华为技术有限公司 | Photoelectric adapter and communication system |
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