CN102841413A - Parallel optical transceiving component used for broadband high speed transmission - Google Patents
Parallel optical transceiving component used for broadband high speed transmission Download PDFInfo
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- CN102841413A CN102841413A CN2012103074262A CN201210307426A CN102841413A CN 102841413 A CN102841413 A CN 102841413A CN 2012103074262 A CN2012103074262 A CN 2012103074262A CN 201210307426 A CN201210307426 A CN 201210307426A CN 102841413 A CN102841413 A CN 102841413A
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Abstract
The invention relates to a parallel optical transceiving component used for broadband high speed transmission. One end of a first printed circuit board forms a signal input port which is in a gold-plating plugboard structure, the first printed circuit board and a second printed circuit board are electrically connected through a soft board, and two integrated circuit chips and two photoelectric component arrays are assembled on the second printed circuit board by means of the bonding in a bare chip form; each photoelectric component array comprises a vertical cavity surface emitting laser (VCSEL ) laser array and a potential difference (PD) photoelectric detector array, the VCSEL laser array and the PD photoelectric detector array are respectively connected with integrated circuit chip routings of the second printed circuit board, and each integrated circuit chip comprises a laser drive chip and a detector TIA chip; optical fiber arrays are arranged inside optical fiber fixing pieces and are aligned to the photoelectric component arrays. The parallel optical transceiving component used for the broadband high speed transmission is low in manufacturing cost and easy to achieve, and reduces the number of components and assemblies, and photoelectric performance and structural stability of the components are greatly improved.
Description
Technical field
The present invention relates to a kind of parallel light transmitting-receiving subassembly that is used for the broadband high-speed transmission.
Background technology
Along with the quick growth of the mankind to communication bandwidth requirements, the existing communication systems face capacity and energy consumption two is challenged greatly.Because can be in littler space, lower energy consumption takies down that bigger bandwidth is provided, and is increasing about the research and development of parallel optical module.The parallel optical module is a plurality of optical fiber of a plurality of laser alignment in an independent module---for example be fit to the 4 passage short distance transceiver modules that the short distance high bandwidth is calculated and exchange is used; Integrated four are independently sent and receiving cable, and are connected to one 12 passage multimode ribbon fiber.Because integrated high bandwidth density and the low-power consumption that is brought with miniaturization of device makes the transmission bandwidth of parallel optical module and use power consumption be superior to a plurality of discrete devices greatly, thereby improved the system transmissions performance.
The parallel optical module is higher to the desired precision of the aligning of sub-element, and patient rigging error is littler, to guarantee high as far as possible coupling efficiency.Prior art is when realizing these alignment functions, and is very complicated, very time-consuming, needs a cover complicated and parallel keeper, and like MT type optical conenctor etc., optical module requires very high like the processing technology of lens, photoconductive tube; The increase of optical module parts simultaneously also makes cost increase accordingly.
Summary of the invention
The objective of the invention is to overcome the deficiency that prior art exists, a kind of light transmitting-receiving subassembly that is used for parallel transmission is provided.
The object of the invention is realized through following technical scheme:
The parallel light transmitting-receiving subassembly that is used for the broadband high-speed transmission; Characteristics are: comprise first printed circuit board (PCB), second printed circuit board (PCB) and position IC chip and photoelectric component array on it; One end of said first printed circuit board (PCB) forms a signal input port; Signal input port is gold-plated plate structure; Electrically connect through soft board between first printed circuit board (PCB) and second printed circuit board (PCB), two IC chips and two photoelectric component arrays are assembled on second printed circuit board (PCB) through bonding with the form of nude film; Said photoelectric component array comprises VCSEL laser array and PD photodetector array; VCSEL laser array and PD photodetector array respectively with second printed circuit board (PCB) on the IC chip routing be connected, said IC chip comprises laser driving chip and detector TIA chip; Fiber array places in the optical fiber fixture, fiber array and photoelectric component array alignment.
Further; The above-mentioned parallel light transmitting-receiving subassembly that is used for the broadband high-speed transmission; Wherein, Said fiber array comprises optical fiber and the optical fiber fixation kit more than eight, and the optical fiber more than eight is and band structure that the optical fiber more than eight converts optical fiber into fibre ribbon that parallel equidistant is arranged through optical fiber orientation conversion equipment; The front end of said fibre ribbon exposes naked fibre, and exposed portions serve length is consistent, and interconnected through direct-coupled mode and photoelectric component array; Perhaps, the optical fiber more than eight is divided into two parts, and every part of optical fiber more than four converts optical fiber into fiber array that parallel equidistant is arranged through optical fiber orientation conversion equipment; Said fiber array is with man-to-man mode and photoelectric component array alignment.
Further, the above-mentioned parallel light transmitting-receiving subassembly that is used for the broadband high-speed transmission, wherein, said fiber array comprises complex root optical fiber, every optical fiber has a coupling end face.
Again further; The above-mentioned parallel light transmitting-receiving subassembly that is used for the broadband high-speed transmission; Wherein, The center, effective coverage of said photoelectric component array is aimed at man-to-man mode with the coupling surface of fiber array, is equipped with refractive index match glue between the center, effective coverage of photoelectric component array and the coupling surface of fiber array.
Again further; The above-mentioned parallel light transmitting-receiving subassembly that is used for the broadband high-speed transmission; Wherein, Said fiber array has two groups, and the coupling surface of first group of fiber array is aimed at the active center zone of VCSEL laser array with man-to-man mode, is equipped with refractive index match glue between the active center zone of VCSEL laser array and the coupling surface of first group of fiber array; The coupling surface of second group of fiber array is aimed at the center, effective coverage of PD photodetector array with man-to-man mode, is equipped with refractive index match glue between the active center zone of PD photodetector array and the coupling surface of second group of fiber array.
Substantive distinguishing features and obvious improvement that technical scheme of the present invention is outstanding are mainly reflected in:
The parallel light transmitting-receiving subassembly that the present invention provides a kind of simple broadband high-speed to transmit, the manufacturing technology that adopts unique circuit plate soft or hard to combine, and, make the electrical connection of photovalve more reasonable, the photoelectric properties of lifting subassembly through the gold thread electric connection; Respectively the employing active alignment technology of VCSEL laser array and PD photodetector array is carried out optical coupled; Reduced the optoelectronic component array placement accuracy, reduced the technology difficulty that photovalve is connected with optical fiber and promoted assembled error tolerance; Through reducing the quantity of component members, reduce the assembly cost, be more suitable for mass production applications.
Description of drawings
Below in conjunction with accompanying drawing technical scheme of the present invention is described further:
Fig. 1: structural representation of the present invention;
Fig. 2: direct couple junction structure synoptic diagram of the present invention.
Embodiment
As shown in Figure 1; The parallel light transmitting-receiving subassembly that is used for the broadband high-speed transmission; Comprise first printed circuit board (PCB) 1, second printed circuit board (PCB) 3 and position IC chip 4 and photoelectric component array 5 on it; One end of first printed circuit board (PCB) 1 forms a signal input port; Signal input port is gold-plated plate structure, electrically connects through soft board 2 between first printed circuit board (PCB) 1 and second printed circuit board (PCB) 3, and two IC chips 4 and two photoelectric component arrays 5 are assembled on second printed circuit board (PCB) 3 through bonding with the form of nude film; Photoelectric component array 5 comprises VCSEL laser array and PD photodetector array; VCSEL laser array and PD photodetector array respectively with second printed circuit board (PCB) on IC chip 4 routings be connected;, make to be electrically connected more rationally between IC chip and the printed circuit board (PCB) that used is gold thread; Help promoting the high speed transmission of signals performance, also help promoting the reliability of the parallel light transmitting-receiving subassembly of broadband high-speed transmission; IC chip 4 comprises laser driving chip and detector TIA chip; Fiber array places in the optical fiber fixture, fiber array and photoelectric component array alignment.
Fiber array comprises the optical fiber 7 and optical fiber fixation kit more than eight; Optical fiber more than eight is and band structure; Optical fiber more than eight converts optical fiber into fibre ribbon that parallel equidistant is arranged through optical fiber orientation conversion equipment 6, and optical fiber orientation conversion equipment 6 is the V-groove; The front end of fibre ribbon exposes naked fibre, and exposed portions serve length is consistent, and interconnected through direct-coupled mode and photoelectric component array 5.Perhaps, the optical fiber 7 more than eight is divided into two parts, and every part of optical fiber more than four converts optical fiber into fiber array that parallel equidistant is arranged through optical fiber orientation conversion equipment 6; Fiber array is realized the output and the input of light signal, and is utilized refractive index match glue to make the stationkeeping of fibre ribbon front end and photoelectric component with man-to-man mode and photoelectric component array alignment.
Fiber array comprises complex root optical fiber, and every optical fiber has a coupling end face.
The center, effective coverage of photoelectric component array 5 is aimed at man-to-man mode with the coupling surface of fiber array, is equipped with refractive index match glue between the center, effective coverage of photoelectric component array 5 and the coupling surface of fiber array; As shown in Figure 2, there is refractive index match glue 8 in the photodetection face 9 of photoelectric component array 5 and the zone between the optical fiber 7.
Fiber array has two groups; The coupling surface of first group of fiber array is aimed at the active center zone of VCSEL laser array with man-to-man mode; Be equipped with refractive index match glue between the active center zone of VCSEL laser array and the coupling surface of first group of fiber array; The coupling surface of second group of fiber array is aimed at the center, effective coverage of PD photodetector array with man-to-man mode, is equipped with refractive index match glue between the active center zone of PD photodetector array and the coupling surface of second group of fiber array.
Through the direct optical coupled of uniqueness, reduced the quantity of component members, through using refractive index match glue; Promoted optical coupling efficiency, improved assembly property, reduced optics requirement simultaneously the coupling surface of fiber array; Reduce the assembly cost, be more suitable for producing in batches and use.
The manufacturing technology that adopts unique circuit plate soft or hard to combine makes photoelectric component directly to be coupled with optical fiber very easily, and makes things convenient for the transmission of electric signal.
In sum; The parallel light transmitting-receiving subassembly that the present invention provides a kind of simple broadband high-speed to transmit, the manufacturing technology that adopts unique circuit plate soft or hard to combine, and through the gold thread electric connection; Make the electrical connection of photovalve more reasonable, the photoelectric properties of lifting subassembly; Respectively the employing active alignment technology of VCSEL laser array and PD photodetector array is carried out optical coupled; Reduced the optoelectronic component array placement accuracy, reduced the technology difficulty that photovalve is connected with optical fiber and promoted assembled error tolerance; Through reducing the quantity of component members, reduce the assembly cost, be more suitable for mass production applications.
What need understand is: the above only is a preferred implementation of the present invention; For those skilled in the art; Under the prerequisite that does not break away from the principle of the invention, can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (7)
1. the parallel light transmitting-receiving subassembly that is used for the broadband high-speed transmission; It is characterized in that: comprise first printed circuit board (PCB), second printed circuit board (PCB) and position IC chip and photoelectric component array on it; One end of said first printed circuit board (PCB) forms a signal input port; Signal input port is gold-plated plate structure; Electrically connect through soft board between first printed circuit board (PCB) and second printed circuit board (PCB), two IC chips and two photoelectric component arrays are assembled on second printed circuit board (PCB) through bonding with the form of nude film; Said photoelectric component array comprises VCSEL laser array and PD photodetector array; VCSEL laser array and PD photodetector array respectively with second printed circuit board (PCB) on the IC chip routing be connected, said IC chip comprises laser driving chip and detector TIA chip; Fiber array places in the optical fiber fixture, fiber array and photoelectric component array alignment.
2. the parallel light transmitting-receiving subassembly that is used for the broadband high-speed transmission according to claim 1; It is characterized in that: said fiber array comprises optical fiber and the optical fiber fixation kit more than eight; Optical fiber more than eight is and band structure that the optical fiber more than eight converts optical fiber into fibre ribbon that parallel equidistant is arranged through optical fiber orientation conversion equipment; Perhaps, the optical fiber more than eight is divided into two parts, and every part of optical fiber more than four converts optical fiber into fiber array that parallel equidistant is arranged through optical fiber orientation conversion equipment.
3. the parallel light transmitting-receiving subassembly that is used for the broadband high-speed transmission according to claim 2, it is characterized in that: the front end of said fibre ribbon exposes naked fibre, and exposed portions serve length is consistent, and interconnected through direct-coupled mode and photoelectric component array.
4. the parallel light transmitting-receiving subassembly that is used for the broadband high-speed transmission according to claim 2, it is characterized in that: said fiber array is with man-to-man mode and photoelectric component array alignment.
5. the parallel light transmitting-receiving subassembly that is used for the broadband high-speed transmission according to claim 1, it is characterized in that: said fiber array comprises complex root optical fiber, every optical fiber has a coupling end face.
6. the parallel light transmitting-receiving subassembly that is used for the broadband high-speed transmission according to claim 1; It is characterized in that: the center, effective coverage of said photoelectric component array is aimed at man-to-man mode with the coupling surface of fiber array, is equipped with refractive index match glue between the center, effective coverage of photoelectric component array and the coupling surface of fiber array.
7. the parallel light transmitting-receiving subassembly that is used for the broadband high-speed transmission according to claim 1; It is characterized in that: said fiber array has two groups; The coupling surface of first group of fiber array is aimed at the active center zone of VCSEL laser array with man-to-man mode; Be equipped with refractive index match glue between the active center zone of VCSEL laser array and the coupling surface of first group of fiber array; The coupling surface of second group of fiber array is aimed at the center, effective coverage of PD photodetector array with man-to-man mode, is equipped with refractive index match glue between the active center zone of PD photodetector array and the coupling surface of second group of fiber array.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012103074262A CN102841413A (en) | 2012-08-27 | 2012-08-27 | Parallel optical transceiving component used for broadband high speed transmission |
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| CN2012103074262A CN102841413A (en) | 2012-08-27 | 2012-08-27 | Parallel optical transceiving component used for broadband high speed transmission |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103257411A (en) * | 2013-05-07 | 2013-08-21 | 苏州旭创科技有限公司 | Parallel optical transceiver module used for broadband high-speed transmission |
| CN104020537A (en) * | 2014-05-20 | 2014-09-03 | 昆山柯斯美光电有限公司 | High-speed photoelectric conversion device and assembling method |
| CN109683262A (en) * | 2019-01-25 | 2019-04-26 | 李训祺 | A kind of parallel light transceiver component for broadband high-speed transmission |
| CN114325966A (en) * | 2021-12-29 | 2022-04-12 | 中国电子科技集团公司第四十四研究所 | Binary array optical fiber coupling structure of balanced photoelectric detector and manufacturing method |
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| CN102169216A (en) * | 2011-05-18 | 2011-08-31 | 苏州旭创科技有限公司 | Parallel light transceiver component for broadband high-speed transmission |
| CN202837617U (en) * | 2012-08-27 | 2013-03-27 | 苏州旭创科技有限公司 | Parallel optical transceiving component used for broadband high speed transmission |
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| US20040208461A1 (en) * | 2000-10-05 | 2004-10-21 | Corona Optical Systems, Inc. | Transparent substrate and hinged optical assembly |
| US20040047570A1 (en) * | 2002-09-06 | 2004-03-11 | Paracer, Inc. | Circuit board construction for use in small form factor fiber optic communication system transponders |
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| CN103257411A (en) * | 2013-05-07 | 2013-08-21 | 苏州旭创科技有限公司 | Parallel optical transceiver module used for broadband high-speed transmission |
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| CN109683262A (en) * | 2019-01-25 | 2019-04-26 | 李训祺 | A kind of parallel light transceiver component for broadband high-speed transmission |
| CN109683262B (en) * | 2019-01-25 | 2020-10-16 | 东莞市金厚田光电有限公司 | Parallel optical transceiving component for broadband high-speed transmission |
| CN114325966A (en) * | 2021-12-29 | 2022-04-12 | 中国电子科技集团公司第四十四研究所 | Binary array optical fiber coupling structure of balanced photoelectric detector and manufacturing method |
| CN114325966B (en) * | 2021-12-29 | 2023-04-28 | 中国电子科技集团公司第四十四研究所 | Balanced photoelectric detector binary array optical fiber coupling structure and manufacturing method |
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Application publication date: 20121226 |