CN106788754B - A kind of optical couplers, WDM, dual-wavelength optical port device for high-speed optical module - Google Patents

A kind of optical couplers, WDM, dual-wavelength optical port device for high-speed optical module Download PDF

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Publication number
CN106788754B
CN106788754B CN201611076945.7A CN201611076945A CN106788754B CN 106788754 B CN106788754 B CN 106788754B CN 201611076945 A CN201611076945 A CN 201611076945A CN 106788754 B CN106788754 B CN 106788754B
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China
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optical
light
module
wavelength
wdm
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CN201611076945.7A
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Chinese (zh)
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CN106788754A (en
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张玉安
郭路
梅雪
梁飞
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武汉光迅科技股份有限公司
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/40Transceivers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J14/00Optical multiplex systems
    • H04J14/02Wavelength-division multiplex systems

Abstract

The present invention relates to a kind of optical couplers, WDM, dual-wavelength optical port devices for high-speed optical module, including encapsulating housing, an external UFIU UMSC Fiber Interface Unit, and two to inner interface unit, a partial wave multiplex optical unit.The external UFIU UMSC Fiber Interface Unit is mounted on high-speed optical module optical fiber interface position, and for accessing connection optical fiber, internal UFIU UMSC Fiber Interface Unit connects optical transceiver module, and the partial wave multiplex optical unit inside encapsulating housing realizes the division wave of optical signal on optical fiber link.The invention device is used in high-speed optical module optical port position, can in module infrared optical fiber link easy to accomplish and module optical transceiver module connection, simultaneously because compact structure, is conducive to the miniaturization of module.It can quick mounting and adjusting using the invention device in high-speed optical module production assembly, assembly and adjustment process is simple and fast, simultaneously because non-fiber is coiled in module, avoids the damage or fracture of optical fiber, the reliability for improving module is conducive to the installation production of high-speed optical module.

Description

A kind of optical couplers, WDM, dual-wavelength optical port device for high-speed optical module

Technical field

The present invention relates to a kind of optic communication device more particularly to a kind of optical couplers, WDM, dual-wavelength optical ports for high-speed optical module Device belongs to optical communication field.

Background technique

With the fast development of optical communication field, Internet Users, using type, network bandwidth etc. all shows outburst The growth of formula.The development of point-to-point (P2P) technology, Online Video, social networks, mobile interchange constantly swallows Netowrk tape It is wide.The rapid development of the technologies such as cloud computing, big data simultaneously, using super data center as the cloud network of core, to bandwidth demand It is more urgent.Common carrier and service suppliers are just in the application of scale and deployment 100G High Speeding Optical Transmitter-receiver Circuit, 100G high Fast optical transceiver module has become mainstream configuration optical module, and urgent demand, 200G/ are proposed to the optical module of higher rate The optical module of 400G higher rate is stepping into market.IEEE802.3bj working group is in 200GBASE-LR4 high speed optical mode The technical solution that 4 wavelength LAN-WDM are defined in block standard, in 400GBASE-FR8 and 400GBASE-LR8 high-speed optical module mark The technical solution of 8 wavelength LAN-WDM is defined in standard.Wherein in 200GBASE-LR4 and 400GBASE-FR8 and 400GBASE- There are 4 consistent wavelength by LR8, therefore in order to reduce 8 wavelength of 400G optical module integrated light emission component and light-receiving component Development cost and development difficulty, while the compatibility of light emission component and light-receiving component is improved, it improves light and receives emitting module device The utilization rate and reduction maintenance cost of part, the light that 400GBASE-FR8 and 400GBASE-LR8 largely use 24 wavelength integrated Transmitting-receiving subassembly is designed.

The optical transceiver module integrated using 24 wavelength realizes that 400G optical module needs to increase light point inside module shell Two devices of wave device and optical multiplexer, it is in the prior art, a kind of to be achieved in that the two devices of multiplexer/demultiplexer using tail optical fiber Mode is mounted on inside modules, this will will occupy biggish space in inside modules, and optical transceiver module and multiplexer/demultiplexer are connected It connects that there are biggish installation operation difficulties, and due to manual operation or transport, reasons, the optical fiber of inside modules such as falls and be easy The problems such as causing the problems such as damaging or being broken, directly contributing unqualified optical module or failure.

Therefore, one kind is studied to use in high-speed optical module, can be easy to operate, the light partial wave multiplex dress reliably accessed It sets, so that improving the reliability of production efficiency and product has real application value.

Summary of the invention

The purpose of the present invention is to provide a kind of structure is simple, it is easy production debugging, small in size, insertion loss is small and is easy to High-speed optical module installation and debugging, improve the optical couplers, WDM, dual-wavelength optical port device of high-speed optical module reliability, while optical path is utilized Reversible principle realizes that same structure realizes the partial wave and multiplex problem of optical signal, to solve the above problems.

In order to achieve the above objectives, technical problem of the invention is resolved by technical solution below:

A kind of optical couplers, WDM, dual-wavelength optical port device for high-speed optical module, including encapsulating housing, an external light input Or output interface unit, two internal light outputs or input interface unit, a light partial wave or multiplex optical unit.Wherein:

The encapsulating housing includes installation assembly space, the coupling aperture of an external interface, two couplings to inner joint Close hole.

The external light input or output interface unit includes a pluggable optical connector interface, an optical lens Mirror.The optical lens is mounted in outer UFIU UMSC Fiber Interface Unit, and bonding becomes an entirety.

The internal light output or input interface unit include fiber stub, for being inserted into light emitting or receiving unit Pluggable optical interface in.

The light partial wave or multiplex optical unit includes that a wavelength-division Deplexing apparatus or a WDM device, light beam are anti- Penetrate turnover corner angle, light beam collimation lens.

Further, the external light input or output interface unit is coupled in the external interface coupling aperture of encapsulating housing In comprising pluggable optical connector interface section for accessing optical connector, optical lens be mounted on external light input or In output interface unit, allows multiple wavelength optical signal to collimate and penetrate.

Further, described two internal light outputs or input interface unit are respectively coupled in two of encapsulating housing internally In the coupling aperture of interface.

Further, the size of external internal three coupling apertures to allow it is described externally and can portion to inner interface unit Divide and is inserted into the encapsulating housing.

Further, the light partial wave optical port device, external light input interface unit is for light letter in reception optical fiber route Number, received optical signal includes λ1, λ2, λ3, λ4, λ5, λ6, λ7, λ8The optical signal of eight wavelength, this eight wavelength passes through Wave Decomposition Multiplexer is demultiplexing as λ1, λ2, λ3, λ4And λ5, λ6, λ7, λ8Two light beams.Two light beams after partial wave pass through internal turnover Collimation lens is coupled in internal fiber stub, and fiber stub is inserted into light-receiving component optical port.

Further, fiber stub accesses in two light emission component optical ports in the photosynthetic glistening light of waves mouth device, two groups of light The a length of λ of light wave that emitting module issues1, λ2, λ3, λ4And λ5, λ6, λ7, λ8Two light beams enter in multiplex optical unit, pass through standard It is λ that optical signal after straight turnover, which enters WDM device to be multiplexed with wavelength,1, λ2, λ3, λ4, λ5, λ6, λ7, λ8Light beam.It closes Then light beam coupling after wave is transmitted over the optical fibre lines to external light output interface unit.

Further, the λ1, λ2, λ3, λ4, λ5, λ6, λ7, λ8Eight wavelength are the LAN- that IEEE802.3bj standard defines WDM wavelength.

Further, optical couplers, WDM, dual-wavelength optical port device of the present invention is mountable in CFP series and QSFP-DD high-speed light In module encapsulation construction.

By adopting the above technical scheme, a kind of optical couplers, WDM, dual-wavelength optical port for high-speed optical module of the present invention fills It sets, passes through eight kind wavelength of the pluggable optical connector interface from fibre circuit in external input interface used in partial wave end Optical signal, received optical signal enters optical demultiplexer by the optical lens in external interface unit, and optical demultiplexer is anti- The optical signal for penetrating four wavelength therein, transmits the optical signal of remaining four kinds of wavelength, and the optical signal of Transflective passes through turnover rib Mirror, output is into the fiber stub on internal output unit after collimation.Multiplex end light channel structure is consistent with partial wave end.In the optical path The deflecting prism of addition can be compensated due to device fabrication and assembly bring optical path mismatch, significantly with the adjustment optical path of low-angle The requirement for component process precision is reduced, and can guarantee the consistency of insertion loss between each channel, so that coupling Efficiency reaches highest, and insertion loss is less than 0.5dB.It can be designed using symmetrical and unsymmetric structure on encapsulating housing, it can be with It is effective to reduce structure design, while the space of shell can be effectively utilized, it is more advantageous to the miniaturization of module.In high-speed light Module making assembly in using the invention device can quick mounting and adjusting, assembly and adjustment process is simple and fast, simultaneously because Compact structure, non-fiber coiling, avoids the damage or fracture of optical fiber, improves the reliability of module, be conducive to height in module The installation of fast optical module makes.

Detailed description of the invention

It, first will be to needed in embodiment description for the clearer technical solution for illustrating the embodiment of the present invention Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability For field technique personnel, without creative efforts, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the high-speed optical module optical communication system schematic diagram using eight waves;

Fig. 2 is the internal structure functional block diagram of embodiment of the present invention 1;

Fig. 3 is the internal structure functional block diagram of embodiment of the present invention 2;

Fig. 4 is the internal structure functional block diagram of embodiment of the present invention 3;

Fig. 5 is a light wave decomposition multiplex or multiplexer structure function block diagram;

Fig. 6 is reflection and the transmitted spectrum of light wave decomposition multiplex of the present invention and optical wavelength division multiplexing device;

Fig. 7 is the structural schematic diagram of wavelength-division Deplexing apparatus of the present invention or WDM device;

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, those skilled in the art's every other implementation obtained without making creative work Example, shall fall within the protection scope of the present invention.

The embodiment of the invention provides a kind of optical couplers, WDM, dual-wavelength optical port devices for high-speed optical module, can be applicable to height In fast optical module, below by specific embodiment, it is described in detail respectively.

Each embodiment in order to better illustrate the present invention, referring to Fig. 1, Fig. 1 is a kind of high speed using eight waves Optical module optical communication system schematic diagram, by local a high-speed optical module 11, a distal end high speed optical mode in this optical communication system 10 12, two optical fiber 13 and 14 of block form.Wherein the local high-speed optical module 11 is by local light emitting unit 15, local light-receiving Unit 16, local electrical connector interface 17 form.The distal end high-speed optical module 12 is by distal end light emitting unit 15 ', distal end light Receiving unit 16 ', distal end electrical connector interface 17 ' form.Local light emitting unit 15 is believed local light by an optical fiber 13 Number information be sent to distal end light receiving unit 16 ', local light receiving unit 16 is received by an optical fiber 14 and comes from distal end light The optical signal that transmitting unit 15 ' issues, to realize the transmitted in both directions of optical signal.Wherein two tail ends of the optical fiber 13 are logical It crosses optical connector and is respectively connected to optical port device to the optical port device 25 of local high-speed optical module 11 and distal end high-speed optical module 12 In 35 ', two tail ends of optical fiber 14 are respectively connected to by optical connector to the optical port device 35 of local high-speed optical module 11 and remote In the optical port device 25 ' for holding high-speed optical module 12.

Wherein local light emitting unit 15 includes driving circuit 20 and 21, light emission component 22 and 23, optical multiplexer 24 with And light output optical port device 25.Wherein driving circuit 20 and 21 is for driving light emission component 22 and 23 to convert the electrical signal to light Signal.Light emission component 22 includes output λ1, λ2, λ3, λ4The laser of four kinds of wavelength, emitting module 23 include output λ5, λ6, λ7, λ8The laser of four kinds of wavelength, the optical signal that two groups of light emission components 22,23 issue is by 24 multiplex of optical multiplexer at a branch of Include λ1To λ8Optical signal (the λ of wavelength1, λ2, λ3, λ4, λ5, λ6, λ7, λ8), the optical signal after multiplex, which enters, can be inserted into light output light In mouth device 25, the optical connector for passing through insertion realizes transmitting of the optical signal on optical fiber 13.

Wherein distal end light receiving unit 16 ' includes that can be inserted into light to input optical port device 35 ', optical branching filter 34 ', light-receiving group Part 32 ' and 33 ' receives amplifying circuit 30 ' and 31 ', wherein can be inserted into what light output optical port device 35 ' was accessed by optical connector Optical fiber 13 receives the optical signal (λ on route1, λ2, λ3, λ4, λ5, λ6, λ7, λ8), the optical signal after reception enters optical branching filter 34 ', the λ after optical branching filter partial wave1, λ2, λ3, λ4Four kinds of wavelength channels, which enter, carries out photoelectric conversion in light-receiving component 32 ', λ after partial wave5, λ6, λ7, λ8Four kinds of wavelength channels, which enter, carries out photoelectric conversion in light-receiving component 33 ', receive amplifying circuit Received electric signal corresponding with 8 each wavelength channels is amplified processing by 30 ' and 31 '.

Wherein distal end light emitting unit 15 ' is similar with local light emitting unit 15, has same or equivalent part;It is local Light receiving unit 16 is similar with distal end light receiving unit 16 ', has same or equivalent part.

A kind of optical couplers, WDM, dual-wavelength optical port device for high-speed optical module provided by the present invention can be used for 1 institute of alternate figures Show 25 two units of optical multiplexer 24 and pluggable optical port device, so that component process required precision be effectively reduced, improves coupling Efficiency reaches highest, guarantees the consistency of insertion loss between each channel, while improving the reliability of optical module, easily and fast Mounting and adjusting is conducive to the installation production of high-speed optical module.

Embodiment 1:

A kind of optical couplers, WDM, dual-wavelength optical port device for high-speed optical module provided by the present invention, embodiments thereof 1 Internal structure functional block diagram is as shown in Fig. 2, comprising: encapsulating housing 102, an external UFIU UMSC Fiber Interface Unit 100, two internal light Interface unit 118 and 119, a light partial wave or multiplex optical unit.Wherein: encapsulating housing 102 includes installation assembly space, and The coupling aperture 110 of one external interface, two coupling apertures 111 and 112 to inner joint are provided.Wherein, installation assembly space is used In the fixed encapsulation light partial wave of installation or multiplex optical unit.External interface coupling aperture 110 is for installing external UFIU UMSC Fiber Interface Unit 100, the size of external interface coupling aperture 110 will allow external UFIU UMSC Fiber Interface Unit 100 can be with partial insertion to encapsulating housing 102 It is interior.Two are used to inner joint coupling aperture 111 and 112 install internal UFIU UMSC Fiber Interface Unit 118 and 119, and same two to inner joint The size of coupling aperture 111 and 112 will allow internal UFIU UMSC Fiber Interface Unit 118 and 119 can be in partial insertion to encapsulating housing 102.

External UFIU UMSC Fiber Interface Unit 100 is for accessing optical connector, the external interface coupling being mounted on encapsulating housing 102 On hole 110, and in partial insertion external interface coupling aperture 110.External UFIU UMSC Fiber Interface Unit 100 includes a pluggable optical connector Interface 101, an optical lens 103.Wherein optical lens 103 is mounted in external UFIU UMSC Fiber Interface Unit 100, is connected with pluggable light Connecing the bonding of device interface 101 becomes an entirety, allows multiple wavelength optical signal to collimate and penetrates.

Two internal UFIU UMSC Fiber Interface Units 118 and 119 are inserted into the pluggable optical interface of light emission component or light-receiving component In, be mounted on encapsulating housing 102 on inner joint coupling aperture 111 and 112.Wherein internal UFIU UMSC Fiber Interface Unit 118 and 119 Partial insertion is in inner joint coupling aperture 111 and 112.Internal UFIU UMSC Fiber Interface Unit 118 and 119 includes fiber stub, which inserts Core is inserted into the pluggable optical port of light emission component or light-receiving component.

Light partial wave or multiplex optical unit include a wavelength-division Deplexing apparatus or a WDM device 104, light beam reflection Turnover corner angle 105 and 107, light beam collimation lens 106 and 108.Light partial wave optical unit is used in light partial wave optical port device, externally For UFIU UMSC Fiber Interface Unit 100 for optical signal in reception optical fiber route, received optical signal includes λ1, λ2, λ3, λ4, λ5, λ6, λ7, λ8Eight The optical signal of a wavelength, this eight wavelength enters Wave Decomposition multiplexer 104 after the collimation of optical lens 103, passes through wavelength-division Deplexing apparatus 104 is demultiplexing as λ1, λ2, λ3, λ4And λ5, λ6, λ7, λ8Two light beams.Two light beams after partial wave are from both direction Turnover corner angle 105 and 107 are reflected by light beam respectively to enter in light beam collimation lens 106 and 108, are then coupled to internal light and are connect In the fiber stub of mouth unit 118 and 119.Photosynthetic wave optical unit is used in photosynthetic glistening light of waves mouth device, internal UFIU UMSC Fiber Interface Unit 118 and 119 fiber stub accesses in two light emission component optical ports, a length of λ of light wave that two groups of light emission components issue1, λ2, λ3, λ4And λ5, λ6, λ7, λ8Two light beams enter multiplex optical unit, are collimated respectively by light beam collimation lens 106 and 108 laggard Enter light beam reflection turnover corner angle 105 and 107, after its deflection, two-beam signal enters WDM device 104 from both direction Being multiplexed with wavelength is λ1, λ2, λ3, λ4, λ5, λ6, λ7, λ8Light beam.Light beam coupling after multiplex is to external UFIU UMSC Fiber Interface Unit 100, then transmitted over the optical fibre lines.

As shown in Fig. 2, wavelength-division Deplexing apparatus 104 and WDM device 104 be actually same device at two not Different role on same light path direction, therefore it can also be referred to as light wave decomposition multiplex or WDM device 104 below;As a result, Practical glazing partial wave optical unit and photosynthetic wave optical unit are also different role of the same device on different light paths direction, That is realizing light partial wave optical unit and photosynthetic wave optical unit simultaneously using same light channel structure

Wherein light wave decomposition multiplex or WDM device 104, as shown in figure 5, including preceding optical surface 1041 and rear optics Face 1042, wherein before be coated with filtering diaphragm on optical surface 1041, the Transflective wave spectrum of the filtering diaphragm as shown in fig. 6, The filtering diaphragm transmits λ1To λ4The spectrum of wave-length coverage reflects λ5To λ8The spectrum of wave-length coverage.Equally in preceding optical surface 1041 It is upper to reflect λ it is also an option that plating1To λ4Wavelength transmits λ5To λ8The filtering diaphragm of wavelength.Total reflection is plated on rear optical surface 1042 The light transmitted by filtering diaphragm can be totally reflected by diaphragm, total reflection diaphragm.

When present embodiment 1 is on the light receiving unit of high-speed optical module, that from fibre circuit includes λ1To λ8Wavelength Light beam enter external UFIU UMSC Fiber Interface Unit 100 in, by optical lens 103 processing after enter light wave decomposition multiplex device 104, light Filtering diaphragm on the preceding optical surface 1041 of wavelength-division Deplexing apparatus 104 reflects the light beam of wherein four wavelength, after reflection Light beam enters light beam reflection turnover corner angle 107 and is totally reflected, and it is saturating that the light for reflecting the turnover reflection of corner angle 107 through light beam enters collimation Mirror 108 is collimated, and is then coupled in internal UFIU UMSC Fiber Interface Unit 118 and is exported;Before the light beam of remaining four wavelength is transmitted through The rear optical surface 1042 for filtering diaphragm to light wave decomposition multiplex device 104 on optical surface 1041, by institute on rear optical surface 1042 Enter light beam reflection turnover corner angle 105 after the light total reflection diaphragm reflection of plating to be totally reflected, reflects turnover corner angle 105 through light beam The light of reflection enters collimation lens 106 and is collimated, and is then coupled in internal optical interface 119 and exports.Internal UFIU UMSC Fiber Interface Unit 118,119 are respectively connected in the light-receiving component optical port of corresponding wavelength range, to realize apparatus of the present invention in high-speed optical module Use on light receiving unit.

Since this embodiment uses the invertibity of internal light channel structure, it is used in the light emitting unit of high-speed optical module When upper, on the contrary, being not repeated to be described in detail herein, simply when light beam passage path is with used in the light receiving unit of high-speed optical module For, four wavelength light beams inputted by internal UFIU UMSC Fiber Interface Unit 119 are reflected after turnover corner angle 105 reflect by light beam to be entered Optical wavelength division multiplexing device 104, optical surface 1041 before being reflexed to by the rear optical surface 1042 of optical wavelength division multiplexing device 104, and transmit Filtering diaphragm on preceding optical surface 1041;Pass through light beam by four wavelength light beams that internal UFIU UMSC Fiber Interface Unit 118 inputs Reflection turnover corner angle 107 enter optical wavelength division multiplexing device 104 after reflecting, by the preceding optical surface 1041 of optical wavelength division multiplexing device 104 On filtering diaphragm reflected, with after the light beam multiplex for four wavelength for being transmitted through the filtering diaphragm pass through external optical interface list Member 100 exports.

Embodiment 2:

The internal structure functional block diagram of embodiment of the present invention 2 is as shown in figure 3, include encapsulating housing 202, an external light Interface unit 200, two internal UFIU UMSC Fiber Interface Units 218 and 219, a light partial wave or multiplex optical unit.Wherein external light connects Mouth unit 200, internal UFIU UMSC Fiber Interface Unit 218 and 219 are consistent with function/structure described in corresponding component in embodiment 1.Encapsulation Shell 202 includes installation assembly space, and provides the coupling aperture 210 of an external interface, two coupling apertures to inner joint 211 and 212, above-mentioned coupling aperture is also consistent with function/structure described in corresponding component in embodiment 1.Embodiment 2 and implementation The difference of mode 1 essentially consists in the structure of light partial wave or multiplex optical unit, includes a light wave decomposition multiplex in embodiment 2 Or WDM device 204, light beam reflection turnover corner angle 207, light beam collimation lens 206 and 208.Wherein wavelength-division Deplexing apparatus Or WDM device 204, as shown in fig. 7, using planar lens structure, only plating filtering diaphragm, filter on preceding optical surface 2041 Wave diaphragm is as shown in fig. 6, the filtering diaphragm transmits λ1To λ4The spectrum of wave-length coverage reflects λ5To λ8The spectrum of wave-length coverage, again Or reflection λ1To λ4The spectrum of wave-length coverage transmits λ5To λ8The spectrum of wave-length coverage, thus realize different wave length reflection and Transmission.

It include λ from fibre circuit when present embodiment 2 is used in high-speed optical module light receiving unit1To λ8The light beam of wavelength It inputs in external UFIU UMSC Fiber Interface Unit 200, enters light wave decomposition multiplex or WDM device after the processing of optical lens 203 204, filtering diaphragm before light wave decomposition multiplex or WDM device 204 on optical surface 2041 is by the light beam of wherein four wavelength Reflection, the light beam after reflection enter light beam reflection turnover corner angle 207 and are totally reflected, reflect turnover corner angle 207 through light beam and reflect Light enter collimation lens 208 and collimated, be then coupled in internal UFIU UMSC Fiber Interface Unit 218 and export;Four additional wavelength is saturating Collimation lens 206 is directly entered after filtering diaphragm before being shot through on optical surface 2041 to be collimated, and internal light is then coupled to It is exported in interface unit 219.Internal UFIU UMSC Fiber Interface Unit 218,219 is respectively connected to the light-receiving component optical port of corresponding wavelength range It is interior, to realize use of the invention device on the light receiving unit of high-speed optical module.

Similarly due to the invertibity of light channel structure inside this embodiment, on the light emitting unit of high-speed optical module When, on the contrary, being not repeated to describe herein when light beam passage path is with used in the light receiving unit of high-speed optical module.

Embodiment 3:

Embodiment 3 is a kind of symmetrical structure of embodiment 2, and function and embodiment are consistent with 2, such as Fig. 4 institute Show.

The λ in the present invention1, λ2, λ3, λ4, λ5, λ6, λ7, λ8Eight wavelength are what IEEE802.3bj standard defined LAN-WDM wavelength.

It is mountable in CFP series and QSFP-DD high-speed optical module in optical couplers, WDM, dual-wavelength optical port device of the present invention In encapsulating structure.

Externally it can be defined and be adjusted according to high-speed optical module size with internal interface position in the present invention, but is whole Frame will not generate the variation of essence, at the same the turnover corner angle being added in optical path can with the adjustment optical path of low-angle, compensate by In device fabrication and assembly bring optical path mismatch, the requirement for component process precision is greatly reduced, and can guarantee The consistency of insertion loss between each channel, so that coupling efficiency reaches highest, insertion loss is less than 0.5dB.In encapsulating housing On can effectively can reduce structure using the design of symmetrical and unsymmetric structure and design, while can effectively utilize shell Space, be more advantageous to the miniaturization of module.Can quickly it be pacified in high-speed optical module production assembly using the invention device Adjustment is whole, and assembly and adjustment process is simple and fast, simultaneously because compact structure, non-fiber coiling, avoids the damage of optical fiber in module Wound or fracture, improve the reliability of module, are conducive to the installation production of high-speed optical module.

Embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations;Although referring to embodiment Describe the invention in detail, but those skilled in the art are coped with and are understood: it still can be to foregoing embodiments Documented technical solution is modified, and can be made a variety of changes in the form and details to the present invention, without departing from this The technology and spirit of patent.

Claims (8)

1. a kind of optical couplers, WDM, dual-wavelength optical port device for high-speed optical module, including an external UFIU UMSC Fiber Interface Unit and two it is right Interior UFIU UMSC Fiber Interface Unit, and the partial wave being arranged between one external UFIU UMSC Fiber Interface Unit and two internal UFIU UMSC Fiber Interface Units close Wave optical unit, to realize that the optical signal that will be inputted from the external UFIU UMSC Fiber Interface Unit is right to two by specified wavelength difference partial wave Interior UFIU UMSC Fiber Interface Unit output or will be from the different wave length optical signal multiplex that described two internal UFIU UMSC Fiber Interface Units input to described External UFIU UMSC Fiber Interface Unit output;It is characterised by comprising: partial wave multiplex optical unit has preceding optical surface and rear optical surface, it is described There is filtering diaphragm, the filtering diaphragm reflects and to another wave-length coverage the optical signal of one wave-length coverage on preceding optical surface Optical signal transmission, the optical signal of two different wavelength ranges respectively corresponds by two internal UFIU UMSC Fiber Interface Units inputs or exports;
Four in 8 wavelength for the LAN-WDM that the filtering diaphragm defines IEEE802.3bj standard are reflected, to another Outer four are transmitted;
It is coated with light total reflection diaphragm on optical surface after described, the light transmitted by filtering diaphragm is totally reflected;
The partial wave multiplex optical unit further includes having light beam reflection turnover corner angle and light beam collimation lens, two internal optical interfaces One in unit reflects turnover corner angle by light beam to align with the preceding optical surface of the partial wave multiplex optical unit.
2. being used for the optical couplers, WDM, dual-wavelength optical port device of high-speed optical module as described in claim 1, it is characterised in that: further It include encapsulating housing, the encapsulating housing has installation assembly space to accommodate the partial wave multiplex optical unit;The envelope Filling also has the external interface coupling aperture for accessing external UFIU UMSC Fiber Interface Unit on shell, and is respectively connected to two internal optical interface lists Member to inner joint coupling aperture.
3. being used for the optical couplers, WDM, dual-wavelength optical port device of high-speed optical module as claimed in claim 2, it is characterised in that: described right Outer UFIU UMSC Fiber Interface Unit, which has, can be inserted into optical connector interface, and the optical lens being connected with the pluggable optical connector interface Mirror, the optical lens are used to make the preceding optical surface phase of the pluggable optical connector interface with the partial wave multiplex optical unit Alignment.
4. being used for the optical couplers, WDM, dual-wavelength optical port device of high-speed optical module as claimed in claim 3, it is characterised in that: described two A internal UFIU UMSC Fiber Interface Unit has fiber stub, and the fiber stub is inserted respectively into the light emission component or light of high-speed optical module In the pluggable optical port of receiving unit.
5. such as the optical couplers, WDM, dual-wavelength optical port device of any of claims 1-4 for high-speed optical module, feature Be: the insertion loss of the optical couplers, WDM, dual-wavelength optical port device is less than 0.5dB.
6. such as the optical couplers, WDM, dual-wavelength optical port device of any of claims 1-4 for high-speed optical module, feature Be: the optical couplers, WDM, dual-wavelength optical port device is mounted in CFP series and QSFP-DD high-speed optical module encapsulating structure.
7. a kind of optical couplers, WDM, dual-wavelength part for high-speed optical module, it is characterised in that: have preceding optical surface and rear optical surface, institute There are on optical surface filtering diaphragm, 8 wavelength for the LAN-WDM that the filtering diaphragm defines IEEE802.3bj standard before stating In four reflected, four additional transmitted;Light total reflection diaphragm is coated on optical surface afterwards, it will be by filtering diaphragm The light of transmission is totally reflected.
8. being used for the optical couplers, WDM, dual-wavelength part of high-speed optical module as claimed in claim 7, it is characterised in that: the smooth partial wave closes Wave device is mounted in CFP series and QSFP-DD high-speed optical module encapsulating structure.
CN201611076945.7A 2016-11-30 2016-11-30 A kind of optical couplers, WDM, dual-wavelength optical port device for high-speed optical module CN106788754B (en)

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CN201611076945.7A CN106788754B (en) 2016-11-30 2016-11-30 A kind of optical couplers, WDM, dual-wavelength optical port device for high-speed optical module

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CN201611076945.7A CN106788754B (en) 2016-11-30 2016-11-30 A kind of optical couplers, WDM, dual-wavelength optical port device for high-speed optical module
PCT/CN2016/110661 WO2018098858A1 (en) 2016-11-30 2016-12-19 Optical multiplexer/demultiplexer optical interface device for high-speed optical module

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CN106788754B true CN106788754B (en) 2019-04-30

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