CN202351467U - Multipath parallel optical coupler - Google Patents
Multipath parallel optical coupler Download PDFInfo
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- CN202351467U CN202351467U CN201120542998XU CN201120542998U CN202351467U CN 202351467 U CN202351467 U CN 202351467U CN 201120542998X U CN201120542998X U CN 201120542998XU CN 201120542998 U CN201120542998 U CN 201120542998U CN 202351467 U CN202351467 U CN 202351467U
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- division multiplexer
- wavelength division
- optical fiber
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- coupler
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Abstract
The utility model discloses a multipath parallel optical coupler, which includes a luminous array, a micro lens array, a wavelength division multiplexer and an optical fiber collimator, wherein the luminous array and the micro lens array are oppositely arranged; the luminous array includes a plurality of luminous units; the micro lens array includes a plurality of micro lens units; one luminous unit is arranged corresponding one micro lens unit; the wavelength division multiplexer and the micro lens array are obliquely arranged; a light ray transmitting surface of the wavelength division multiplexer is adjacent to the micro lens array; and the light ray reflecting surface is adjacent to the optical fiber collimator. The multipath parallel optical coupler uses the conventional micro-optical devices, has low polarization dependent loss, and is relatively mature in technology, and can ensure higher coupling efficiency between the semiconductor luminous unit and the optical fiber.
Description
Technical field
The utility model relates to the optical communication technology field, relates in particular to a kind of photo-coupler of multidiameter delay.
Background technology
The high speed optical communication module demonstrates miniaturization; Low-power consumption, hot plug, characteristics such as multidiameter delay work; Along with the continuous dilatation of optical communication transmission content; Transfer rate and shared passage constantly increase, and in order to solve the problem that occurs thereupon, comparatively popular way is to utilize fiber waveguide device to make the active and passive device that the multichannel optical communication all needs; Yet the problem of its existence is the waveguide component of wavelength-division multiplex exists bigger loss, is unfavorable for realizing the requirement of optical transceiver module low-power consumption.
Summary of the invention
Have bigger loss for solving above-mentioned prior art waveguide component, be unfavorable for realizing the technical matters of the requirement of optical transceiver module low-power consumption, the utility model adopts following technical scheme:
A kind of photo-coupler of multidiameter delay; It comprises: light emitting array, microlens array, wavelength division multiplexer and optical fiber collimator, and wherein, light emitting array and microlens array are oppositely arranged; Light emitting array comprises a plurality of luminescence units; Microlens array comprises a plurality of lenticules unit, and the corresponding lenticule unit of luminescence unit is provided with, and wavelength division multiplexer and microlens array are obliquely installed; The light transparent surface and the microlens array of wavelength division multiplexer are adjacent, and the light reflecting surface and the optical fiber collimator of wavelength division multiplexer are adjacent.
Further, said luminescence unit is semiconductor laser or photodiode.
Further, the angle between the direction of the light transparent surface of the direction of the light path between said light emitting array and the microlens array and wavelength division multiplexer is 12 degree.
Further, said a plurality of luminescence unit adjacent parallel are provided with, and spacing is 10mm between the center of every adjacent two luminescence units.
Further, said optical fiber collimator operating distance length is chosen in the half the position of light emitting array to the shortest optical path between the optical fiber collimator and the longest light path sum.
Further, said light emitting array, microlens array, wavelength division multiplexer and optical fiber collimator all are arranged on the substrate.
Further, the wavelength of said a plurality of luminescence units is different.
Compared to prior art, the beneficial effect of the utility model is: adopt traditional micro-optical device, it is low that it has a Polarization Dependent Loss, and ripely relatively technically can guarantee that the coupling between semiconductor light emitting and the optical fiber has higher coupling efficiency.
Description of drawings
Fig. 1 is the photo-coupler first embodiment synoptic diagram of a kind of multidiameter delay of the utility model.
Fig. 2 is the photo-coupler second embodiment synoptic diagram of a kind of multidiameter delay of the utility model.
Embodiment
Specify the preferred embodiment of the utility model below in conjunction with accompanying drawing.
The utility model proposes a kind of multidiameter delay light emission secondary module (Transmitter Optical Subassembly is called for short TOSA) and light-receiving secondary module (Receiver Optical Subassembly is called for short ROSA) light path design.
To achieve these goals, the utility model adopts following solution:
Luminescence unit is spatially realized uniformly-spaced parallel arrangement; Use lenticule that single luminescence unit is carried out beam collimation; The relation that makes the light behind its collimation also keep the wave vector direction to be parallel to each other; It focuses on luminescence unit and selects the different working wavelength, and based on the consideration of symmetry and optical fiber communication standard, the flashlight centre wavelength between the adjacent luminescence unit equates at interval.Light beam behind the collimation is through the interference filter element of particular design, and it focuses on interference filter element and is keeping high transmissison characteristic for the transmitted light from luminescence unit one side, keeps high reflection characteristic for the flashlight of diaphragm opposite side.
Mutual keeping parallelism relation between the diaphragm; Its implementation comprises pastes two parallel surfaces that are placed on precision machined machinery or glass supporter with diaphragm; Owing to adopt the mode of lenticule collimation; Light beam can both keep stable spot size at Rayleigh apart from interior, selects suitable spot size in the hope of obtaining to satisfy the operating distance of coupled system requirement.Utilize simultaneously and have lenticular optical fiber head coupling reception different wave length, the flashlight of identical traffic direction.
See also Fig. 1, it is the photo-coupler first embodiment synoptic diagram of a kind of multidiameter delay of the utility model.
The utility model provides a kind of photo-coupler of multidiameter delay, and it comprises: light emitting array 11, microlens array 12, wavelength division multiplexer 13 and optical fiber collimator 14.
Wherein, light emitting array 11 is oppositely arranged with microlens array 12, and light emitting array 11 comprises a plurality of luminescence units 111, and microlens array 12 comprises that 121, one luminescence units in a plurality of lenticules unit, 111 corresponding lenticule unit 121 are provided with.
In the present embodiment, luminescence unit 111 is semiconductor laser (laser diode is called for short LD).The requirement of the transmission wavelength standard of CWDM CWDM is satisfied in the centre wavelength selection of semiconductor laser, and wavelengths centered is spaced apart 20nm.Adopt the semiconductor laser of distributed feedback bragg grating DFB type, according to from the long wave to the shortwave, perhaps arranging semiconductor laser to the mode of long wave by shortwave.
In the present embodiment; Angle between the direction of the direction of the light path between said light emitting array 11 and the microlens array 12 and the light transparent surface of wavelength division multiplexer 13 is 12 degree; Said a plurality of luminescence unit 111 adjacent parallel settings; Spacing is 10mm between the center of every adjacent two luminescence units 111, and the size of the diaphragm of the light transparent surface of wavelength division multiplexer 13 is chosen as 1.4mm*1.4mm, is chosen as 300mm through the beam waist radius behind optical fiber collimator 14 collimations.The selection of optical fiber collimator 14 operating distances of receiving end need be considered the difference that satisfies light path between the different luminescence units 111; More excellent ground, said optical fiber collimator 14 operating distance length are chosen in the half the position of light emitting array 11 to the shortest optical path between the optical fiber collimator 14 and the longest light path sum.
When making the photo-coupler of a kind of multidiameter delay of the utility model; At first, wavelength division multiplexer 13 is placed on the substrate, utilizes the fixedly position of luminescence unit 111 of mechanical firmware; Let the center of luminescence unit 111 keep 10mm; And the reflecting surface normal direction of luminescence unit 111 is parallel to each other, and simultaneously the normal direction of the optical axis direction of optical fiber collimator 14 and luminescence unit 111 emitting facets is regulated keeping parallelism, regulates the lenticule before the corresponding luminescence unit of minimum light path 111; Make the beam Propagation direction behind the lenticule collimation parallel with the optical axis direction of receiving end optical fiber collimator 14; Keep relative position constant luminescence unit 111 and lenticule this moment, with respect to changing its lateral attitude in the vertical face of optical axis, reaches maximum until coupling efficiency.Regulate lenticular position and size before its excess-three luminescence unit 111 successively, be consistent basically until coupling efficiency.
The photo-coupler of a kind of multidiameter delay of foregoing description is the TOSA light path; Semiconductor laser in the TOSA light path is replaced with detection photodiode (Photo-Diode; Be called for short PD); And keep the receiving plane of photodiode vertical each other with the incident light direction, and just can realize the ROSA structure that multidiameter delay receives, see also Fig. 2.Can above-mentioned TOSA light path and ROSA light path be used.
Compared to prior art; The photo-coupler of a kind of multidiameter delay that the utility model provides adopts traditional micro-optical device; It is low that it has a Polarization Dependent Loss, and ripely relatively technically can guarantee that the coupling between semiconductor light emitting and the optical fiber has higher coupling efficiency.
Here description of the utility model and application is illustrative, is not to want the scope of the utility model is limited in the above-described embodiments.Here the distortion of the embodiment that is disclosed and change are possible, and the replacement of embodiment is known with the various parts of equivalence for those those of ordinary skill in the art.Those skilled in the art are noted that under the situation of spirit that does not break away from the utility model or essential characteristic, and the utility model can be with other form, structure, layout, ratio, and realize with other assembly, material and parts.Under the situation that does not break away from the utility model scope and spirit, can carry out other distortion and change here to the embodiment that is disclosed.
Claims (7)
1. the photo-coupler of a multidiameter delay is characterized in that, comprising: light emitting array, microlens array, wavelength division multiplexer and optical fiber collimator; Wherein, Light emitting array and microlens array are oppositely arranged, and light emitting array comprises a plurality of luminescence units, and microlens array comprises a plurality of lenticules unit; The corresponding lenticule unit of luminescence unit is provided with; Wavelength division multiplexer and microlens array are obliquely installed, and the light transparent surface and the microlens array of wavelength division multiplexer are adjacent, and the light reflecting surface and the optical fiber collimator of wavelength division multiplexer are adjacent.
2. the photo-coupler of a kind of multidiameter delay according to claim 1 is characterized in that, said luminescence unit is semiconductor laser or photodiode.
3. the photo-coupler of a kind of multidiameter delay according to claim 1 is characterized in that, the angle between the direction of the light transparent surface of the direction of the light path between said light emitting array and the microlens array and wavelength division multiplexer is 12 degree.
4. the photo-coupler of a kind of multidiameter delay according to claim 1 is characterized in that, said a plurality of luminescence unit adjacent parallel are provided with, and spacing is 10mm between the center of every adjacent two luminescence units.
5. the photo-coupler of a kind of multidiameter delay according to claim 1 is characterized in that, said optical fiber collimator operating distance length is chosen in the half the position of light emitting array to the shortest optical path between the optical fiber collimator and the longest light path sum.
6. the photo-coupler of a kind of multidiameter delay according to claim 1 is characterized in that, said light emitting array, microlens array, wavelength division multiplexer and optical fiber collimator all are arranged on the substrate.
7. the photo-coupler of a kind of multidiameter delay according to claim 1 is characterized in that, the wavelength of said a plurality of luminescence units is different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120542998XU CN202351467U (en) | 2011-12-22 | 2011-12-22 | Multipath parallel optical coupler |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120542998XU CN202351467U (en) | 2011-12-22 | 2011-12-22 | Multipath parallel optical coupler |
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| CN202351467U true CN202351467U (en) | 2012-07-25 |
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| CN201120542998XU Expired - Fee Related CN202351467U (en) | 2011-12-22 | 2011-12-22 | Multipath parallel optical coupler |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102890313A (en) * | 2012-10-22 | 2013-01-23 | 索尔思光电（成都）有限公司 | CWDM (Coarse Wavelength Division Multiplexing) multiplexer/demultiplexer system and manufacturing method thereof |
| CN104020527A (en) * | 2014-06-11 | 2014-09-03 | 武汉电信器件有限公司 | Multichannel integrated optical wavelength division multiplexing/demultiplexing component structure |
| CN104076450A (en) * | 2013-03-28 | 2014-10-01 | 福州高意通讯有限公司 | BOSA (Bi-Di Optical Subassembly) optical structure used for high-speed receiving and transmitting system |
| TWI602402B (en) * | 2015-11-13 | 2017-10-11 | 寧波環球廣電科技有限公司 | Multi-channel optical transmitter-receiver assembly |
| CN109613664A (en) * | 2018-11-30 | 2019-04-12 | 广东瑞谷光网通信股份有限公司 | The radium-shine coupling device of the four-way wavelength-division multiplex light emitting devices of computer readable storage medium and the application medium |
| CN109765657A (en) * | 2018-11-30 | 2019-05-17 | 广东瑞谷光网通信股份有限公司 | The collimation lens coupling device of the four-way wavelength-division multiplex light emitting devices of computer readable storage medium and the application medium |
| WO2020015159A1 (en) * | 2018-07-14 | 2020-01-23 | 福州高意光学有限公司 | Short-waveband active optical component based on vertical emitting laser and multi-mode optical fiber |
| CN110927883A (en) * | 2018-09-20 | 2020-03-27 | 福州高意通讯有限公司 | Small-sized wavelength division multiplexer |
| CN111355533A (en) * | 2018-12-20 | 2020-06-30 | 福州高意光学有限公司 | VCSEL-based free-space active optical transceiving component |
-
2011
- 2011-12-22 CN CN201120542998XU patent/CN202351467U/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE48029E1 (en) | 2012-10-22 | 2020-06-02 | Source Photonics, Inc. | WDM multiplexing/de-multiplexing system and the manufacturing method thereof |
| CN102890313B (en) * | 2012-10-22 | 2015-07-15 | 索尔思光电（成都）有限公司 | CWDM (Coarse Wavelength Division Multiplexing) multiplexer/demultiplexer system and manufacturing method thereof |
| US9229167B2 (en) | 2012-10-22 | 2016-01-05 | Source Photonics, Inc. | WDM multiplexing/de-multiplexing system and the manufacturing method thereof |
| CN102890313A (en) * | 2012-10-22 | 2013-01-23 | 索尔思光电（成都）有限公司 | CWDM (Coarse Wavelength Division Multiplexing) multiplexer/demultiplexer system and manufacturing method thereof |
| CN104076450A (en) * | 2013-03-28 | 2014-10-01 | 福州高意通讯有限公司 | BOSA (Bi-Di Optical Subassembly) optical structure used for high-speed receiving and transmitting system |
| CN104076450B (en) * | 2013-03-28 | 2016-01-27 | 福州高意通讯有限公司 | A kind of BOSA optical texture for high speed receive-transmit system |
| CN104020527A (en) * | 2014-06-11 | 2014-09-03 | 武汉电信器件有限公司 | Multichannel integrated optical wavelength division multiplexing/demultiplexing component structure |
| TWI602402B (en) * | 2015-11-13 | 2017-10-11 | 寧波環球廣電科技有限公司 | Multi-channel optical transmitter-receiver assembly |
| WO2020015159A1 (en) * | 2018-07-14 | 2020-01-23 | 福州高意光学有限公司 | Short-waveband active optical component based on vertical emitting laser and multi-mode optical fiber |
| US11454772B2 (en) | 2018-07-14 | 2022-09-27 | Fuzhou Photop Optics Co., Ltd | Short-waveband active optical component based on vertical emitting laser and multi-mode optical fiber |
| US11828992B2 (en) | 2018-07-14 | 2023-11-28 | Ii-Vi Delaware, Inc. | Short-waveband active optical component based on vertical emitting laser and multi-mode optical fiber |
| CN110927883A (en) * | 2018-09-20 | 2020-03-27 | 福州高意通讯有限公司 | Small-sized wavelength division multiplexer |
| CN109765657A (en) * | 2018-11-30 | 2019-05-17 | 广东瑞谷光网通信股份有限公司 | The collimation lens coupling device of the four-way wavelength-division multiplex light emitting devices of computer readable storage medium and the application medium |
| CN109613664A (en) * | 2018-11-30 | 2019-04-12 | 广东瑞谷光网通信股份有限公司 | The radium-shine coupling device of the four-way wavelength-division multiplex light emitting devices of computer readable storage medium and the application medium |
| CN111355533A (en) * | 2018-12-20 | 2020-06-30 | 福州高意光学有限公司 | VCSEL-based free-space active optical transceiving component |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120725 Termination date: 20181222 |
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| CF01 | Termination of patent right due to non-payment of annual fee |