CN203259693U - Parallel light transmission-reception assembly for broadband high-speed transmission - Google Patents
Parallel light transmission-reception assembly for broadband high-speed transmission Download PDFInfo
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- CN203259693U CN203259693U CN 201320241074 CN201320241074U CN203259693U CN 203259693 U CN203259693 U CN 203259693U CN 201320241074 CN201320241074 CN 201320241074 CN 201320241074 U CN201320241074 U CN 201320241074U CN 203259693 U CN203259693 U CN 203259693U
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Abstract
The utility model relates to a parallel light transmission-reception assembly for broadband high-speed transmission. A signal input port is formed at one end of a first printed circuit board. A TIA transimpedance amplifier, a laser driving chip, a PD photoelectric detector array, and a VCSEL vertical-cavity surface-emitting laser array are packaged on the surface of a second printed circuit board. The front end of an optical fiber array is arranged in an optical fiber fixing assembly, and the optical fiber array is in coupled alignment with the PD photoelectric detector array and the VCSEL vertical-cavity surface-emitting laser array. The optical fiber fixing assembly includes a base, an optical fiber direction converter base plate and a cover plate. The optical fiber direction converter base plate is provided with inclined steps, and V-shaped grooves are carved on the upper steps, while the lower steps are planar. Naked fibers are arranged in the V-shaped grooves and covered by the cover plate. The optical fiber direction converter base plate is connected with the cover plate and the base by fixing glue. According to the utility model, the soft and hard plate combination technology is adopted, and the optical coupling of the VCSEL vertical-cavity surface-emitting laser array and the PD photoelectric detector array is carried out by active aligning technology.
Description
Technical field
The utility model relates to the parallel light transceiver component of broadband high-speed transmission, relates in particular to a kind of parallel light transceiver component for broadband high-speed transmission and optical fiber fixture thereof.
Background technology
Along with the raising that the signal high-speed transfer is required, parallel light transceiver component arises at the historic moment.Parallel optical module is the mutual conversion that realizes multi-channel electric signal and light signal in a monomer structure, thereby realizes transmission-receiving function.Because device is integrated and miniaturization brings high bandwidth density and low-power consumption, so that the transmission bandwidth of parallel optical module and use power consumption are better than a plurality of discrete devices greatly, thereby improved the transmission performance of system.
Yet the existence of a plurality of discrete components is so that the rigging error that allows during the parallel optical module package is less, and alignment precision requires higher, has higher requirement to guaranteeing high coupling efficiency in the encapsulation.Existing technology is to be equipped with the surface-mounted integrated circuits such as TIA trans-impedance amplifier, Driver driving and to be equipped with the optical assemblies such as Lens lens arra that PD photodetector array, VCSEL vertical cavity emitting laser array, relevant coupled fiber use and other optical conenctors and finally to form module with module housing again.Encapsulating structure is complicated, and difficulty of processing is large, and the process time is long, and cost is high.
The utility model content
The purpose of this utility model is to overcome the deficiency that prior art exists, and a kind of parallel light transceiver component for broadband high-speed transmission is provided.
The purpose of this utility model is achieved through the following technical solutions:
Be used for the parallel light transceiver component of broadband high-speed transmission, characteristics are: the soft board, TIA trans-impedance amplifier, laser driving chip, PD photodetector array, VCSEL vertical cavity emitting laser array, fiber array and the optical fiber fixation kit that comprise the first printed circuit board (PCB), the second printed circuit board (PCB), connection the first printed circuit board (PCB) and the second printed circuit board (PCB); One end of described the first printed circuit board (PCB) forms the signal input port of a gold-plated board plug structure, the second printed circuit board surface encapsulation TIA trans-impedance amplifier, laser driving chip, PD photodetector array and VCSEL vertical cavity emitting laser array, the fiber array front end places in the optical fiber fixation kit, and fiber array and PD photodetector array and VCSEL vertical cavity emitting laser array are coupled and aligned;
Described optical fiber fixation kit comprises pedestal, optical fiber orientation bridgeware base plate and overlay, optical fiber orientation bridgeware backplate surface is provided with the sloping platform rank, top bar and be carved with the V-type groove, get out of a predicament or an embarrassing situation and be the plane, place the naked fibre of fiber array in the V-type groove, be stamped overlay on it, the naked fine length that the front end of fiber array exposes is consistent with the length of topping bar, and optical fiber orientation bridgeware base plate and overlay and pedestal are glued at one by fixing glue.
Further, the above-mentioned parallel light transceiver component that is used for broadband high-speed transmission, the optical fiber that described fiber array comprises more than eight and parallel equidistant is arranged, the naked fibre that the front end of optical fiber exposes place in the V-type groove of optical fiber orientation bridgeware base plate.
Further, the above-mentioned parallel light transceiver component that is used for broadband high-speed transmission, described fiber array is divided equally two groups, its coupling surface with man-to-man mode respectively with the active center regional alignment of PD photodetector array and VCSEL vertical cavity emitting laser array.
Again further, the above-mentioned parallel light transceiver component that is used for broadband high-speed transmission, the homonymy of described VCSEL vertical cavity emitting laser array is placed with the rectangular parallelepiped pad.
The substantive distinguishing features that technical solutions of the utility model are outstanding and significant progressive being mainly reflected in:
The utility model has designed a kind of simple broadband high-speed transmission parallel light transceiver component, adopt the manufacturing technology of unique rigid-flex combination, adopt the active alignment technology to carry out optical coupled to VCSEL laser array and PD photodetector array, saved the use of optical lens, and utilized more easily optical fiber fixture, realized the optical package of high coupling efficiency, reduced the technology difficulty that photoelectric component array placement accuracy and photoelectric component are connected with optical fiber, and promoted the assembled fault tolerance, cut down finished cost, be more suitable for mass production applications.
Description of drawings
Below in conjunction with accompanying drawing technical solutions of the utility model are described further:
Fig. 1: structural representation of the present utility model;
Fig. 2: packaging of photoelectric device structural representation;
Fig. 3: the structural representation of optical fiber fixation kit.
Embodiment
As shown in Figure 1, for the parallel light transceiver component of broadband high-speed transmission, comprise soft board 3, TIA trans-impedance amplifier 6, laser driving chip 7, PD photodetector array 8, VCSEL vertical cavity emitting laser array 9, fiber array 5 and the optical fiber fixation kit 4 of the first printed circuit board (PCB) 1, the second printed circuit board (PCB) 2, connection the first printed circuit board (PCB) 1 and the second printed circuit board (PCB) 2; One end of the first printed circuit board (PCB) 1 forms the signal input port of a gold-plated board plug structure, as shown in Figure 2, the second printed circuit board (PCB) 2 surfaces encapsulate TIA trans-impedance amplifier 6, laser driving chip 7, PD photodetector array 8 and VCSEL vertical cavity emitting laser array 9 by gold thread bonding mode, fiber array 5 front ends place in the optical fiber fixation kit 4, and fiber array 5 is coupled and aligned with PD photodetector array 8 and VCSEL vertical cavity emitting laser array 9 and carries out the signal transmission.
As shown in Figure 3, optical fiber fixation kit 4 comprises pedestal 12, optical fiber orientation bridgeware base plate 11 and overlay 13, and pedestal 12 is provided with screw, is used for pedestal and fixes; Optical fiber orientation bridgeware base plate 11 surfaces are provided with the sloping platform rank, top bar and be carved with the V-type groove, get out of a predicament or an embarrassing situation and be the plane, place the naked fibre of fiber array 5 in the V-type groove, be stamped overlay 13 on it, the naked fine length that the front end of fiber array 5 exposes is consistent with the length of topping bar, and optical fiber orientation bridgeware base plate 11 and overlay 13 and pedestal 12 are glued at one by fixing glue.During use, first front end having been leaked the fiber array 5 that naked fibre is arranged is placed on the optical fiber orientation bridgeware base plate 11 and is mated, apply the UV fixing glue, put overlay 13, and simultaneously optical fiber is orientated the curing of adjusting with the UV fixing glue, and then it will be bonding with pedestal 12 to utilize the UV fixing glue to be orientated bridgeware base plate 11 with the optical fiber of fiber array 5, and simultaneously optical fiber is orientated the curing of adjusting with the UV fixing glue, at last pedestal 12 and the draw-in groove place gluing of the rigid-flex that carries photoelectric component by pedestal the place ahead are fixed.
Wherein, the optical fiber that fiber array 5 comprises more than eight and parallel equidistant is arranged, the naked fibre that the front end of optical fiber exposes places in the V-type groove of optical fiber orientation bridgeware base plate 11, realizes center, effective coverage and the control of the high coupling efficiency between the fiber array of photoelectric component array by optical fiber fixation kit 4.
The homonymy of VCSEL vertical cavity emitting laser array 9 is placed with rectangular parallelepiped pad 10, prevents that optical fiber fixation kit 4 from breaking photoelectric device with PD photodetector array 8 and 9 coupling of VCSEL vertical cavity emitting laser array the time.
The utility model has designed a kind of simple broadband high-speed transmission parallel light transceiver component, adopt the manufacturing technology of unique rigid-flex combination, adopt the active alignment technology to carry out optical coupled to VCSEL laser array and PD photodetector array, saved the use of optical lens, and utilized more easily optical fiber fixture, realized the optical package of high coupling efficiency, reduced the technology difficulty that photoelectric component array placement accuracy and photoelectric component are connected with optical fiber, and promoted the assembled fault tolerance, cut down finished cost, be more suitable for mass production applications.
What need to understand is: the above only is preferred implementation of the present utility model; for those skilled in the art; under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (4)
1. be used for the parallel light transceiver component of broadband high-speed transmission, it is characterized in that: the soft board, TIA trans-impedance amplifier, laser driving chip, PD photodetector array, VCSEL vertical cavity emitting laser array, fiber array and the optical fiber fixation kit that comprise the first printed circuit board (PCB), the second printed circuit board (PCB), connection the first printed circuit board (PCB) and the second printed circuit board (PCB); One end of described the first printed circuit board (PCB) forms the signal input port of a gold-plated board plug structure, the second printed circuit board surface encapsulation TIA trans-impedance amplifier, laser driving chip, PD photodetector array and VCSEL vertical cavity emitting laser array, the fiber array front end places in the optical fiber fixation kit, and fiber array and PD photodetector array and VCSEL vertical cavity emitting laser array are coupled and aligned;
Described optical fiber fixation kit comprises pedestal, optical fiber orientation bridgeware base plate and overlay, optical fiber orientation bridgeware backplate surface is provided with the sloping platform rank, top bar and be carved with the V-type groove, get out of a predicament or an embarrassing situation and be the plane, place the naked fibre of fiber array in the V-type groove, be stamped overlay on it, the naked fine length that the front end of fiber array exposes is consistent with the length of topping bar, and optical fiber orientation bridgeware base plate and overlay and pedestal are glued at one by fixing glue.
2. the parallel light transceiver component for broadband high-speed transmission according to claim 1, it is characterized in that: the optical fiber that described fiber array comprises more than eight and parallel equidistant is arranged, the naked fibre that the front end of optical fiber exposes place in the V-type groove of optical fiber orientation bridgeware base plate.
3. the parallel light transceiver component for broadband high-speed transmission according to claim 1 and 2, it is characterized in that: described fiber array is divided equally two groups, its coupling surface with man-to-man mode respectively with the active center regional alignment of PD photodetector array and VCSEL vertical cavity emitting laser array.
4. the parallel light transceiver component for broadband high-speed transmission according to claim 1, it is characterized in that: the homonymy of described VCSEL vertical cavity emitting laser array is placed with the rectangular parallelepiped pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320241074 CN203259693U (en) | 2013-05-07 | 2013-05-07 | Parallel light transmission-reception assembly for broadband high-speed transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320241074 CN203259693U (en) | 2013-05-07 | 2013-05-07 | Parallel light transmission-reception assembly for broadband high-speed transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203259693U true CN203259693U (en) | 2013-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320241074 Expired - Fee Related CN203259693U (en) | 2013-05-07 | 2013-05-07 | Parallel light transmission-reception assembly for broadband high-speed transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203259693U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103257414A (en) * | 2013-05-07 | 2013-08-21 | 苏州旭创科技有限公司 | Parallel light transmitting and receiving assembly for broadband high-speed transmission |
| CN109314582A (en) * | 2016-06-20 | 2019-02-05 | 日本电信电话株式会社 | Optical receiver |
| TWI776311B (en) * | 2019-12-26 | 2022-09-01 | 訊芸電子科技（中山）有限公司 | Optical communication module |
-
2013
- 2013-05-07 CN CN 201320241074 patent/CN203259693U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103257414A (en) * | 2013-05-07 | 2013-08-21 | 苏州旭创科技有限公司 | Parallel light transmitting and receiving assembly for broadband high-speed transmission |
| CN109314582A (en) * | 2016-06-20 | 2019-02-05 | 日本电信电话株式会社 | Optical receiver |
| TWI776311B (en) * | 2019-12-26 | 2022-09-01 | 訊芸電子科技（中山）有限公司 | Optical communication module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131030 Termination date: 20160507 |