CN207336852U - A kind of multi-wave length parallel optical transceiving device - Google Patents
A kind of multi-wave length parallel optical transceiving device Download PDFInfo
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- CN207336852U CN207336852U CN201720907314.9U CN201720907314U CN207336852U CN 207336852 U CN207336852 U CN 207336852U CN 201720907314 U CN201720907314 U CN 201720907314U CN 207336852 U CN207336852 U CN 207336852U
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Abstract
The utility model discloses a kind of multi-wave length parallel optical transceiving device, including a housing, a PAM4 chips, a light emission component, a light-receiving component and a circuit board, the PAM4 chips are installed on the circuit board, the light emission component and the light-receiving component are combined installation with the housing, and the light emission component and the light-receiving component are electrically connected with the PAM4 chips.The multi-wave length parallel optical transceiving device is compact-sized, is easy to extend, suitable for the upgrading of optical communication system.
Description
Technical field
Optical communication field is the utility model is related to, is more precisely related to a kind of multi-wave length parallel optical transceiving device.
Background technology
With the continuous improvement of social informatization degree, and the continuous development of internet and information technology, data volume
Being increased in a manner of volatile, this just causes certain challenge to the data-handling capacity of Virtual network operator and enterprise,
Force it that itself data-handling capacity using data center as platform is continuously improved, and the technology such as cloud computing, virtualization is just continuous
New motive force is brought for the development of data center.Optical communication network is capable of providing data transfer speed optimal in the prior art
Rate, can adapt to the requirement of ever-increasing data service, Internet resources etc..Data center is generally made using optical fiber at present
For main transmission medium, to set up optical communication network, and optical device of the speed for 10Gbps/40Gbps is used mostly, still
As optical communication network is continuously increased bandwidth demand, the rate requirement of sun adjuster part is also higher and higher.Lead to improve light
The bandwidth of communication network, while requirement of the satisfaction to cost on the basis of existing, it is necessary to carry out system upgrade.It is existing
40Gbps/100Gbps optical devices realize in a parallel fashion more, and as 40Gbps is made of 4 10Gbps, 100Gbps is by 4
25Gbps is formed.Fig. 1 is the schematic diagram that 4 25Gbps form 100Gbps, by the identical transmitting terminal of 4 wavelength (TX1, TX2,
TX3 and TX4) and four receiving terminals (RX1, RX2, RX3 and RX4), its modulating/demodulating mode use NRZ modes.Now with
Increase of the user to bandwidth demand from existing 40Gbps/100Gbps, it is necessary to upgrade to 200Gbps or 400Gbps.If press
According to existing parallel mode, for 400Gbps, then need to realize using 16 25Gbps, while also need to use 16 light
It is fine.It can be seen that needing to expend more multi fiber using optical fiber parallel mode, system upgrade and regular maintenance are not easy to.Therefore it is badly in need of one
The optical device that kind can be upgraded using existing network framework.
Utility model content
In view of this, the main purpose of the utility model is that providing a kind of multi-wave length parallel optical transceiving device, including one
Housing, a PAM4 chips, a light emission component, a light-receiving component and a circuit board, the PAM4 chips are installed on described
On circuit board, the light emission component and the light-receiving component are combined installation, and the light emission component with the housing
It is electrically connected with the light-receiving component with the PAM4 chips.The multi-wave length parallel optical transceiving device is compact-sized, is easy to
Extension, suitable for the upgrading of optical communication system.
In order to achieve the above object, the utility model provides a kind of multi-wave length parallel optical transceiving device, including a housing, one
PAM4 chips, a light emission component and a light-receiving component, the light emission component and the light-receiving component with it is described
Housing combines installation, and the light emission component and the light-receiving component are electrically connected with the PAM4 chips.
Preferably, the light emission component includes at least two light emitting ends and a wavelength division multiplexer, the light emitting
End and the wavelength division multiplexer are combined installation with the housing, and two light emitting ends are electrically connected with the PAM4 chips,
And two light emitting ends are connected with the wavelength division multiplexer.
Preferably, the light-receiving component includes at least two optical receiving ends and a Wave decomposing multiplexer, and the light connects
Receiving end and the Wave decomposing multiplexer are combined installation with the housing, and two optical receiving ends are electrically connected with the PAM4 chips
Connect, and two optical receiving ends are connected with the Wave decomposing multiplexer.
Preferably, the light emitting end is VCSEL lasers.
Preferably, the light emission component includes one first light emitting end and one second light emitting end, and first light
The a length of λ 1 of light wave that transmitting terminal is sent, a length of λ 2 of light wave that the second light emitting end is sent.
Preferably, the wavelength division multiplexer includes one first parallel light lens, one second parallel light lens, one first filtering
Piece, one first speculum and one first condenser lens, first parallel light lens are corresponding with the first light emitting end to be set
Put, second parallel light lens are correspondingly arranged with the second light emitting end, first filter plate at an angle with institute
State the second parallel light lens to be correspondingly arranged, and first filter plate is coated with for the reflectance coating of wavelength X 1 and for wavelength
The transmission film of λ 2, first speculum are correspondingly arranged with first parallel light lens, and first speculum with it is described
First filter plate is parallel, and first condenser lens is correspondingly arranged with second parallel light lens, and described first focuses on thoroughly
Mirror is parallel with second parallel light lens.
Preferably, the light-receiving component includes one first optical receiving end and one second optical receiving end.
Preferably, the Wave decomposing multiplexer includes one the 3rd parallel light lens, one the 4th parallel light lens, one second filter
Wave plate, one second speculum and one second condenser lens, the 3rd parallel light lens are corresponding with first optical receiving end
Set, the 4th parallel light lens are correspondingly arranged with second optical receiving end, second filter plate at an angle with
4th parallel light lens are correspondingly arranged, and second filter plate is coated with for the reflectance coating of wavelength X 1 and for ripple
The transmission film of long λ 2, second speculum are correspondingly arranged with the 3rd parallel light lens, and second speculum and institute
It is parallel to state the second filter plate.Second condenser lens is correspondingly arranged with the 4th parallel light lens, and described second focuses on
Lens are parallel with the 4th parallel light lens.
Preferably, the first light emitting end and the second light emitting end are arranged by one-dimensional array mode, and described first
Optical receiving end and second optical receiving end are arranged according to one-dimensional array mode, first parallel light lens, described second flat
Row optical lens, the 3rd parallel light lens, the 4th parallel light lens are arranged according to one-dimensional array mode, first filter
Wave plate and second filter plate are arranged according to one-dimensional array mode, first speculum and second speculum according to
Arranged for array way, first condenser lens and second condenser lens for array way according to arrange.
Preferably, the housing is an injection structure part, and the housing has a filter plate mounting surface and a speculum
Mounting surface, the filter plate mounting surface and the speculum mounting surface are parallel to each other, are installed on the filter plate mounting surface
The first filter plate and second filter plate are stated, first speculum and described second are installed on the speculum mounting surface
Speculum.
Compared with prior art, it is disclosed in the utility model the advantages of a kind of multi-wave length parallel optical transceiving device：Adopt
With wavelength division multiplexer and Wave decomposing multiplexer, optical fiber dosage is effectively reduced, easy to extend, easy to daily while cost-effective
Repair and maintenance.It is compact-sized, space is saved, is conducive to further upgrade.Using injection structure part, simplify manufacturing process, have
Beneficial to mass production.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other attached drawings can also be obtained according to these attached drawings.
It is the structure diagram for the parallel transceiver part that the prior art realizes that transmission rate is 100Gbps as shown in Figure 1.
A kind of structure diagram of multi-wave length parallel optical transceiving device of the utility model is illustrated in figure 2, and it is described more
The transmission rate of the parallel optical transceiving device of wavelength is 100Gbps.
A kind of a kind of schematic diagram for extending variation of multi-wave length parallel optical transceiving device of the utility model is illustrated in figure 3,
It is 400Gbps to be used for realization speed.
It is illustrated in figure 4 the light emission component and light-receiving group of a kind of multi-wave length parallel optical transceiving device of the utility model
The structure diagram of part.
It is illustrated in figure 5 the light emission component and light-receiving group of a kind of multi-wave length parallel optical transceiving device of the utility model
A kind of structure diagram for extending variation of part.
It is illustrated in figure 6 a kind of structure diagram of multi-wave length parallel optical transceiving device housing of the utility model.
It is illustrated in figure 7 a kind of side sectional view of multi-wave length parallel optical transceiving device housing of the utility model.
Embodiment
It is illustrated in figure 2 a kind of multi-wave length parallel optical transceiving device of the utility model, including a housing 10, a PAM4 cores
Piece 20, a light emission component 30 and a light-receiving component 40, the light emission component 30 and the light-receiving component 40 with
The housing 10 combines installation, and the light emission component 30 and the light-receiving component 40 are electrically connected with the PAM4 chips 20
Connect.As shown in Fig. 2, the electric signal that 4 tunnel speed are 25Gbps enters the PAM4 chips 20, modulated through the PAM4 chips 20
Afterwards, the PAM4 chips 20 export electric signal that 2 tunnel speed are 50Gbps to the light emission component 30, the light emission component
The electric signal that 2 tunnel speed are 50Gbps is converted to and is multiplexed with 1 tunnel speed after the optical signal that 2 tunnel speed are 50Gbps and is by 30
The optical signal of 100Gbps simultaneously passes through optical fiber output；After the optical signal that 1 tunnel speed is 100Gb/s inputs the light-receiving component 40,
The optical signal that 2 tunnel speed are 50Gbps is demultiplexing as by the light-receiving component 40, then 2 are converted to through the light-receiving component 40
Road speed is the electric signal of 50Gbps and is input to the PAM4 chips 20, and being modulated to 4 tunnel speed through the PAM4 chip solutions is
The electric signal of 25Gbps.
Specifically, the light emission component 30 includes one first light emitting end 311, one second light emitting end 312 and one
Wavelength division multiplexer 32, the first light emitting end 311, the second light emitting end 312 and the wavelength division multiplexer 32 with
The housing 10 combines installation, the first light emitting end 311 and the second light emitting end 312 respectively with the PAM4 chips
It is electrically connected, 4 tunnel speed are that the electric signal of 25Gbps enters the PAM4 chips 20, described after the PAM4 chips 20 modulation
PAM4 chips 20 export the electric signal that 2 tunnel speed are 50Gbps to the first light emitting end 311 and second light respectively
Transmitting terminal 312, the first light emitting end 311 and the second light emitting end 312 turn the electric signal that 2 tunnel speed are 50Gbps
It is changed to the optical signal that 2 tunnel speed are 50Gbps.The first light emitting end 311 and the second light emitting end 312 with it is described
Wavelength division multiplexer 32 connects, and 2 tunnel speed are 50GBps's by the first light emitting end 311 and the second light emitting end 312
Optical signal exports to the wavelength division multiplexer 32, the wavelength division multiplexer 32 optical signal that 2 tunnel speed are 50Gbps being multiplexed with 1
Road speed is the optical signal of 100Gbps and passes through optical fiber output.
The light-receiving component 40 is demultiplexed including one first optical receiving end 411, one second optical receiving end 412 and a wavelength-division
With device 42, first optical receiving end 411, second optical receiving end 412 and the Wave decomposing multiplexer 42 with it is described
Housing 10 combines installation, and first optical receiving end 411 and second optical receiving end 412 are electric with the PAM4 chips 20 respectively
Connection, while first optical receiving end 411 and second optical receiving end 412 are connected with the Wave decomposing multiplexer 42,
Wherein described first optical receiving end 411 and second optical receiving end 412 are photodetector.1 tunnel speed is 100Gb/s's
After optical signal inputs the Wave decomposing multiplexer 42, it is 50Gbps's to be demultiplexing as 2 tunnel speed by the Wave decomposing multiplexer 42
First optical receiving end 411 and second optical receiving end 412 are separately input into after optical signal, through first optical receiving end
411 and second optical receiving end 412 be converted to 2 tunnel speed be 50Gbps electric signal and be input to the PAM4 chips 20,
Again the electric signal that 4 tunnel speed are 25Gbps is modulated to through the PAM4 chip solutions.To sum up, received and dispatched using the multi-wave length parallel light
Device can realize the signal transmission that speed is 100Gbps in the case of using only two optical fiber.
A kind of a kind of schematic diagram for extending variation of multi-wave length parallel optical transceiving device of the utility model is illustrated in figure 3,
PAM4 chips 20 described in 4 groups, the light emission component 30 and the light-receiving is arranged side by side in the variation in the housing 10
Component 40, each group of signal transmission that can realize that speed is 100Gbps, by combinations thereof, which can make
With the signal transmission for realizing that speed is 400Gbps in the case of 8 optical fiber.Number of fibers can not changed using the variation
In the case of, realize and carry out upgrading to the optical-fiber network that speed is 400Gbps from existing structure as shown in Figure 1.It is worth noting that,
Situation about being continuously improved for future optical networks speed, the variation can set more multigroup PAM4 cores in the housing 10
Piece 20, the light emission component 30 and the light-receiving component 40, escalation process is simple and convenient, and can save fiber count
Amount, is conducive to control cost.
It is illustrated in figure 4 the light emission component 30 of the multi-wave length parallel optical transceiving device and the light-receiving component
40 structure diagram.Wherein, the first light emitting end 311 and the second light emitting end 312 are VCSEL lasers,
And a length of λ 1 of light wave that the first light emitting end 311 is sent, a length of λ 2 of light wave that the second light emitting end 312 is sent.Institute
Stating wavelength division multiplexer 32 includes one first parallel light lens 321, one second parallel light lens 322, one first filter plate 323, one
First speculum 324 and one first condenser lens 325.First parallel light lens 321 and the first light emitting end 311
It is correspondingly arranged, second parallel light lens 322 are correspondingly arranged with the second light emitting end 312, first filter plate 323
It is correspondingly arranged at an angle with second parallel light lens 322, and first filter plate 323 is coated with for wavelength
The reflectance coating of λ 1 and the transmission film for wavelength X 2.First speculum 324 is corresponding with first parallel light lens 321 to be set
Put, and first speculum 324 is parallel with first filter plate 323.First condenser lens 325 and described second flat
Row optical lens 322 is correspondingly arranged, and first condenser lens 325 is parallel with second parallel light lens 322.
The first light emitting end 311 sends laser of the wavelength for λ 1 by being formed after first parallel light lens 321
First via directional light, the first via directional light reflex to first filter plate 322 via first speculum 324, by
The reflectance coating for wavelength X 1 is coated with first filter plate 322, the first via directional light is by first filter plate 322
First condenser lens 325 is reflexed to, then incident optical fiber output is converged by first condenser lens 325.Second light
Transmitting terminal 312 sends laser that wavelength is λ 2 by forming the second road directional light after second parallel light lens 322, and described the
Incident first filter plate 322 of two road directional lights, since second filter plate is coated with for the transmission film that wavelength is λ 2, institute
The second road directional light is stated through converging incident optical fiber output through first condenser lens 325 after first filter plate 322.With
The upper wavelength-division multiplex for realizing two kinds of different wavelengths of light.
As shown in figure 4, in the light-receiving component 40, first optical receiving end 411 and second optical receiving end 412
Respectively it is used for the photodetector of a length of λ 1 of received wave and 2 light of λ, it is saturating that the Wave decomposing multiplexer 42 includes one the 3rd directional light
Mirror 421, one the 4th parallel light lens 422, one second filter plate 423, one second speculum 424 and one second condenser lens
425.3rd parallel light lens 421 are correspondingly arranged with first optical receiving end 411, the 4th parallel light lens 422
Be correspondingly arranged with second optical receiving end 412, second filter plate 423 at an angle with the 4th parallel light lens
422 are correspondingly arranged, and second filter plate 423 is coated with the reflectance coating for wavelength X 1 and the transmission for wavelength X 2
Film.Second speculum 424 is correspondingly arranged with the 3rd parallel light lens 421, and second speculum 424 with it is described
Second filter plate 423 is parallel.Second condenser lens 425 is correspondingly arranged with the 4th parallel light lens 422, and described
Two condenser lenses 425 are parallel with the 4th parallel light lens 422.
Wavelength X 1, the light of λ 2 are mixed with by incident second filter plate 423 of second condenser lens 425, due to
Second filter plate 423 is coated with the reflectance coating for wavelength X 1 and the transmission film for wavelength X 2, and wavelength is that the light of λ 2 passes through
After second filter plate 423 after the 4th parallel light lens 422 incident second optical receiving end 412；Wavelength is λ
1 light reflexes to the 3rd parallel light lens 421 after second filter plate 423 reflection through second speculum 424
Incident first optical receiving end 411 afterwards.The wavelength-division demultiplexing of two kinds of different wavelengths of light is realized above.
Further, the first light emitting end 311 and the second light emitting end 312 are arranged by one-dimensional array mode,
First optical receiving end 411 and second optical receiving end 412 are arranged according to one-dimensional array mode, 4 parallel light lens
(321,322,421,422) are arranged according to one-dimensional array mode, and 2 optical filters (323,423) are arranged by one-dimensional array mode, and
A mounting surface is shared, 2 speculums (324,424) are arranged by one-dimensional array mode, and share a mounting surface, 2 focusing
Lens (325,425) are arranged by one-dimensional array mode.Assembled easy to the manufacture of the multi-wave length parallel optical transceiving device.
It is illustrated in figure 5 the light emission component 30 and light-receiving component 40 1 of the multi-wave length parallel optical transceiving device
The structure diagram of kind extension variation.The light emission component 30A and light-receiving component 40A of the variation include n (n respectively>2) a light
Transmitting terminal and optical receiving end, a wavelength division multiplexer 32A and a Wave decomposing multiplexer 42A, n light emitting end is answered with the wavelength-division
With device 32A connections, n optical receiving end is connected with the Wave decomposing multiplexer 42A.The wavelength division multiplexer 32A and the ripple
Decomposition multiplex device includes n parallel light lens, n-1 filter plate, 1 speculum and 1 condenser lens respectively.
As shown in Figure 5, in the case of being n=8, the structure diagram of the variation, wherein, 8 light emitting end (311A
To 318A) it is VCSEL lasers, and 8 light emitting ends send the wavelength difference of light, are followed successively by λ 1, λ 2... λ 8；8 parallel
Optical lens (3211A to 3218A) is correspondingly arranged with 8 light emitting ends (311A to 318A) respectively, and 8 parallel light lens
(3211A to 3218A) is coplanar, and the spacing of the two is identical；7 filter plates (3222A to 3228A) are saturating with 7 directional lights respectively
Mirror (3212A to 3218A) is correspondingly arranged, and 7 filter plates (3222A to 3228A) are coplanar, and the spacing of the two is identical；Reflection
Mirror 323A is correspondingly arranged with 7 parallel light lens (3211A to 3217A), and (3222A is extremely for speculum 323A and 7 filter plates
It is 3228A) parallel；Condenser lens 324A is correspondingly arranged with the filter plate 3228A, and condenser lens 324A and parallel light lens
3218A is parallel.Wherein, in 7 filter plates (3222A to 3228A), filter plate 3222A be coated with for wavelength X 1 reflectance coating and
For the transmission film of wavelength X 2, filter plate 3223A is coated with for wavelength X 1, the reflectance coating of λ 2 and the transmission film for wavelength X 3,
And so on, filter plate 3228A is coated with for wavelength X 1, λ 2, λ 3, λ 4, λ 5, λ 6, the reflectance coating of λ 7 and for the saturating of wavelength X 8
Penetrate film.The light that 8 light emitting ends are sent pools a branch of directional light and incident optical under the action of the wavelength division multiplexer 30A
Output.
The Wave decomposing multiplexer 40A is identical with the structure of the wavelength division multiplexer 30A, including 8 parallel light lens
(4211A to 4218A), 7 parallel light lens (4222A to 4228A), 1 speculum 423A and 1 condenser lens 424A, 8
Parallel light lens (4211A to 4218A) are correspondingly arranged with 8 optical receiving ends (411A to 418A) respectively, and 8 parallel light lens
(4211A to 4218A) is coplanar, and the spacing of the two is identical；7 filter plates (4222A to 4228A) are saturating with 7 directional lights respectively
Mirror (4212A to 4218A) is correspondingly arranged, and 7 filter plates (4222A to 4228A) are coplanar, and the spacing of the two is identical；Reflection
Mirror 423A is correspondingly arranged with 7 parallel light lens (4211A to 4217A), and (4222A is extremely for speculum 423A and 7 filter plates
It is 4228A) parallel；Condenser lens 424A is correspondingly arranged with the filter plate 4228A, and condenser lens 424A and parallel light lens
4218A is parallel.Wherein, in 7 filter plates (4222A to 4228A), filter plate 4222A be coated with for wavelength X 1 reflectance coating and
For the transmission film of wavelength X 2, filter plate 4223A is coated with for wavelength X 1, the reflectance coating of λ 2 and the transmission film for wavelength X 3,
And so on, filter plate 4228A is coated with for wavelength X 1, λ 2, λ 3, λ 4, λ 5, λ 6, the reflectance coating of λ 7 and for the saturating of wavelength X 8
Penetrate film.A branch of light comprising wavelength X 1, λ 2, λ 3, λ 4, λ 5, λ 6, λ 7, λ 8 passes through the incident wavelength-divisions of the condenser lens 424A
It is respectively λ 1, λ 2, λ 3, λ 4, λ 5, λ 6, λ 7, λ 8 incident 8 optical receiving ends successively that 8 beam wavelength are broken down into after demultiplexer 40A
(411A to 418A).To sum up, the use of optical fiber while transmission rate is further improved, can not be increased by above-mentioned variation
Amount, is conducive to control cost in optical-fiber network escalation process.
As shown in Figure 6 and Figure 7, the housing 10 is an injection structure part, and the housing 10 is installed on on circuit board 50,
The light emitting end (311,312) of PAM4 chips 20,2 and 2 optical receiving ends (411,412) are arranged at institute
State on circuit board 50.The housing 10 be buckled in 2 light emitting ends (311,312) and 2 optical receiving ends (411,
412) top, and the light of 2 light emitting ends (311,312) is emitted vertically upward, 2 optical receiving ends (411,
412) vertical direction incident light, corresponding 2 light emitting ends (311,312) and 2 optical receiving ends (411,412) are received
4 parallel light lens (321,322,421,422) are set respectively, and 4 parallel light lens (321,322,421,422) are respectively mounted
In on the housing 10.The housing 10 has one 45 ° of inclined-plane on 4 parallel light lens (321,322,421,422) top
101, the inclined-plane 101 is reflecting surface, and the inclined-plane 101 is used to change optical path direction, the light path of vertical direction is changed into horizontal
Direction, wherein, the reflectance coating that can be coated with the inclined-plane 101 by coating technique on the housing 10 can also be in institute
State external speculum on inclined-plane 101.The housing 10 further includes a filter plate mounting surface 102 and a speculum mounting surface 103, and
The filter plate mounting surface 102 and the speculum mounting surface 103 are parallel to each other.2 are installed on the filter plate mounting surface 102
Optical filter (323,423), 2 speculums (324,424) are installed on the speculum mounting surface 103, and the housing 10 corresponds to 2
A optical filter (323,423) position sets 2 condenser lenses (325,425) respectively.Pass through the filter plate mounting surface 102 and institute
Stating speculum mounting surface 103 can realize that 2 optical filters (323,423) are arranged and two speculums by one-dimensional array mode
(324,424) are arranged by one-dimensional array mode, and 4 parallel light lens (321,322,421,422) and 2 condenser lenses
(325,425) can ensure optical property and relative position by precision die, and manufacturing process is simple, simplifies optical path adjusting mistake
Journey, improves yields, is conducive to produce in enormous quantities.In addition, the variation of the multi-wave length parallel optical transceiving device can also be adopted
Realize that filter plate is arranged by by for array way arrangement and speculum as in a manner of one-dimensional array with corresponding shell structure part.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (10)
- A kind of 1. multi-wave length parallel optical transceiving device, it is characterised in that including：One housing, a PAM4 chips, a light emission component And a light-receiving component, the light emission component and the light-receiving component are combined installation, and the light with the housing Emitting module and the light-receiving component are electrically connected with the PAM4 chips.
- 2. multi-wave length parallel optical transceiving device as claimed in claim 1, it is characterised in that the light emission component is included at least Two light emitting ends and a wavelength division multiplexer, the light emitting end and the wavelength division multiplexer are combined peace with the housing Dress, two light emitting ends are electrically connected with the PAM4 chips, and two light emitting ends connect with the wavelength division multiplexer Connect.
- 3. multi-wave length parallel optical transceiving device as claimed in claim 2, it is characterised in that the light-receiving component is included at least Two optical receiving ends and a Wave decomposing multiplexer, the optical receiving end and the Wave decomposing multiplexer are combined with the housing Installation, two optical receiving ends are electrically connected with the PAM4 chips, and two optical receiving ends are demultiplexed with the wavelength-division Device connects.
- 4. multi-wave length parallel optical transceiving device as claimed in claim 2, it is characterised in that swash for VCSEL at the light emitting end Light device.
- 5. multi-wave length parallel optical transceiving device as claimed in claim 3, it is characterised in that the light emission component includes one the One light emitting end and one second light emitting end, and a length of λ 1 of light wave that the first light emitting end is sent, second light emitting Hold a length of λ 2 of light wave sent.
- 6. multi-wave length parallel optical transceiving device as claimed in claim 5, it is characterised in that the wavelength division multiplexer includes one the One parallel light lens, one second parallel light lens, one first filter plate, one first speculum and one first condenser lens, institute State the first parallel light lens to be correspondingly arranged with the first light emitting end, second parallel light lens and second light emitting End is correspondingly arranged, and first filter plate is correspondingly arranged with second parallel light lens at an angle, and first filter Wave plate is coated with the reflectance coating for wavelength X 1 and the transmission film for wavelength X 2, and first speculum is parallel with described first Optical lens is correspondingly arranged, and first speculum is parallel with first filter plate, first condenser lens and described the Two parallel light lens are correspondingly arranged, and first condenser lens is parallel with second parallel light lens.
- 7. multi-wave length parallel optical transceiving device as claimed in claim 6, it is characterised in that the light-receiving component includes one the One optical receiving end and one second optical receiving end.
- 8. multi-wave length parallel optical transceiving device as claimed in claim 7, it is characterised in that the Wave decomposing multiplexer includes one 3rd parallel light lens, one the 4th parallel light lens, one second filter plate, one second speculum and one second condenser lens, 3rd parallel light lens are correspondingly arranged with first optical receiving end, and the 4th parallel light lens connect with second light Receiving end is correspondingly arranged, and second filter plate is correspondingly arranged with the 4th parallel light lens at an angle, and described second Filter plate is coated with the reflectance coating for wavelength X 1 and the transmission film for wavelength X 2, and second speculum is parallel with the described 3rd Optical lens is correspondingly arranged, and second speculum is parallel with second filter plate, second condenser lens and described the Four parallel light lens are correspondingly arranged, and second condenser lens is parallel with the 4th parallel light lens.
- 9. multi-wave length parallel optical transceiving device as claimed in claim 8, it is characterised in that the first light emitting end and described Second light emitting end is arranged by one-dimensional array mode, and first optical receiving end and second optical receiving end are according to one-dimensional array Mode arranges, first parallel light lens, second parallel light lens, the 3rd parallel light lens, described Siping City Row optical lens is arranged according to one-dimensional array mode, and first filter plate and second filter plate are arranged according to one-dimensional array mode Row, first speculum and second speculum for array way according to arrange, first condenser lens and described Second condenser lens is arranged according to one-dimensional array mode.
- 10. multi-wave length parallel optical transceiving device as claimed in claim 9 is it is characterized in that, the housing is an injection structure Part, and the housing has a filter plate mounting surface, a speculum mounting surface, one 45 degree of reflectings surface, the filter plate mounting surface It is parallel to each other with the speculum mounting surface, first filter plate and described second are installed on the filter plate mounting surface Filter plate, first speculum and second speculum, described 45 degree of reflections are provided with the speculum mounting surface Face has the reflectance coating being coated with by coating technique, or 45 degree of reflectings surface have external speculum.
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| CN201720907314.9U CN207336852U (en) | 2017-07-25 | 2017-07-25 | A kind of multi-wave length parallel optical transceiving device |
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| CN201720907314.9U CN207336852U (en) | 2017-07-25 | 2017-07-25 | A kind of multi-wave length parallel optical transceiving device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107167886A (en) * | 2017-07-25 | 2017-09-15 | 苏州海光芯创光电科技有限公司 | A kind of multi-wave length parallel optical transceiving device |
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2017
- 2017-07-25 CN CN201720907314.9U patent/CN207336852U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107167886A (en) * | 2017-07-25 | 2017-09-15 | 苏州海光芯创光电科技有限公司 | A kind of multi-wave length parallel optical transceiving device |
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Address after: 215126 No.1 Pingsheng Road, Suzhou Industrial Park, Suzhou area, China (Jiangsu) pilot Free Trade Zone, Suzhou City, Jiangsu Province Patentee after: Suzhou haiguang Xinchuang Photoelectric Technology Co.,Ltd. Address before: 215021 unit 1310, international science and Technology Park, 1355 Jinjihu Avenue, Suzhou Industrial Park, Jiangsu Province Patentee before: SUZHOU CREALIGHTS TECHNOLOGY Co.,Ltd. |