CN100535695C - Mixed integral single fibre three-way device - Google Patents
Mixed integral single fibre three-way device Download PDFInfo
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- CN100535695C CN100535695C CNB2006101410329A CN200610141032A CN100535695C CN 100535695 C CN100535695 C CN 100535695C CN B2006101410329 A CNB2006101410329 A CN B2006101410329A CN 200610141032 A CN200610141032 A CN 200610141032A CN 100535695 C CN100535695 C CN 100535695C
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Abstract
A hybrid integrated single fibre three-way device comprises the following components: an underlayer; a coarse wavelength division multiplexer arranged above the underlayer; a first input waveguide arranged on the underlayer; an output waveguide arranged on the underlayer and laid in the other side of the coarse wavelength division multiplexer; a waveguide arranged on the underlayer; a second input waveguide arranged on the underlayer and one end of the second input waveguide is connected with the coarse wavelength division multiplexer, a laser hybrid and integrated on the underlayer and the output terminal is connected with one end of the second input waveguide; a monitoring detector hybrid and integrated on the underlayer and the receiving window of the monitoring detector is connected with the other end of the laser; an integrated partial wave/ a detector which are hybrid and integrated on the underlayer and are respectively connected with the output waveguide and the waveguide; a detector which is hybrid and integrated on the underlayer and is connected with the tail end of the waveguide.
Description
Technical field
The user side optical transceiver that the present invention relates to that Fiber to the home is a kind of mixed integral single fibre three-way device.The present invention can be widely used in fields such as computing machine high-speed optical interconnection, light sensing.
Background technology
Fiber to the home (FTTH) be " last kilometer " of generally acknowledging in the world at present at a high speed, the broadband is to the ideal solution at family, is the hot research development project of tool development potentiality of domestic and international optical communication field and market outlook.
Japan, the U.S., Korea S and Europe have all started popularization and the popularization of FTTH, and the pilot project of China FTTH is also launched.User side optical network unit (ONU) is the main bottleneck of restriction FTTH large-scale promotion with the cost of single fiber three-way optical transceiver module (Triplexer) at present.
At present, approved by most experts based on the FTTH technical scheme of ether passive optical network (EPON) and 1000 M passive light net (GPON).In EPON and GPON technical manual, IEEE802.3ah and ITU-TG984.2 adopt 1310nm, 1490nm, 1550nm three-wavelength allocative decision.Wherein 1490nm is used for the following biography of voice, data and IP vision signal; 1550nm is used for passing under the analog video signal; 1310nm is specifically designed to uploading of data and IP vision signal.About three-wavelength Triplexer, the three-dimensional compact package form that discrete device is arranged that can be commercial at present, this scheme has a plurality of discrete units of condenser lens, TFF wave filter, laser instrument and detector to constitute, and need a large amount of artificial built-up times, and it is higher to encapsulate the discrete device cost separately; Another kind method is based on the PLC platform, by face-down bonding technique, mixes TFF, PD and LD integrated.
For further reducing FTTH user side Triplexer cost, in recent years, reported three-wavelength single fiber three-way New Filtering Method in succession based on waveguide, by cascade asymmetric mach-Zehnder interferometer, diffraction grating, array waveguide grating (AWG), directional couplers etc. are realized three-wavelength Triplexer function, but be theoretical analysis or preliminary experimental result mostly, also will not receive PD and emission LD and wave filter integrates, reach the requirement of practicability far away, explore novel low-cost, high integration FTTH is still one of hot subject of domestic and international research institution with single fiber Triplexer implementation method.
Summary of the invention
The purpose of this invention is to provide a kind of mixed integral single fibre three-way device, have compact conformation, low cost and mix integrated advantage.Key of the present invention be to adopt integrated partial wave, detecting function integrated partial wave/detector and in simple optical fiber, carried out time number of delivering a letter (1490nm and 1550nm wavelength signals) and uploaded the Coarse Wave Division Multiplexer that signal (1310nm wavelength signals) transmits simultaneously.
The present invention realizes by following method:
A kind of mixed integral single fibre three-way device is characterized in that, comprising:
One substrate;
One Coarse Wave Division Multiplexer, this Coarse Wave Division Multiplexer be produced on substrate above;
One first input waveguide, this first input waveguide is produced on the substrate, and this first input waveguide is in a side of Coarse Wave Division Multiplexer;
One output waveguide, this output waveguide is produced on the substrate, is positioned at the opposite side of Coarse Wave Division Multiplexer;
One waveguide, this waveguide fabrication are on substrate, and this waveguide becomes an inclination angle with output waveguide;
One second input waveguide, this second input waveguide is produced on the substrate, and the one end links to each other with Coarse Wave Division Multiplexer, and the other end links to each other with laser instrument;
The output waveguide and second input waveguide are in the same side of Coarse Wave Division Multiplexer together;
One laser instrument, this laser instrument mixing is integrated on the substrate, and the output terminal of this laser instrument is connected in second input waveguide;
One monitors detector, and this supervision detector mixing is integrated on the substrate, and the receive window of this supervision detector is connected with the other end of laser instrument;
One integrated partial wave/detector, this integrated partial wave/detector mixing is integrated on the substrate, and this integrated partial wave/detector is connected with waveguide with output waveguide respectively;
One detector, this detector mixing is integrated on the substrate, and this detector is connected with the tail end of waveguide.
Wherein first input waveguide is public waveguide, and number of delivering a letter wavelength is 1490nm and 1550nm under it, and uploading signal wavelength is 1310nm.
Wherein centre wavelength is arranged is 1550nm or 1490nm arrowband film interference filtering film to the receive window evaporation of the detector of integrated partial wave/detector, is used to survey descending 1550nm or 1490nm wavelength signals.
Wherein Coarse Wave Division Multiplexer is used to upload the 1310nm wavelength signals and passes 1490nm and 1550nm wavelength signals down.
Wherein Coarse Wave Division Multiplexer is multimode interference or directional coupler.
Wherein the material of substrate is silicon or III-V compound semiconductor.
The material of wherein said Coarse Wave Division Multiplexer, first input waveguide, output waveguide, waveguide, second input waveguide is silicon waveguide or the waveguide of III-V compounds of group or hybrid inorganic-organic waveguide or low-loss polymer waveguide on SiO 2 waveguide or the insulation course.
Description of drawings:
For further specifying concrete technology contents of the present invention, below in conjunction with embodiment and accompanying drawing describes in detail as after, wherein:
Fig. 1 is a structural representation of the present invention.
Embodiment
Embodiment contrast Fig. 1 makes Coarse Wave Division Multiplexer 11, first input waveguide 22, output waveguide 23, waveguide 21 and second input waveguide 24 on silicon substrate 100.Wherein the material of Coarse Wave Division Multiplexer 11, first input waveguide 22, output waveguide 23, waveguide 21, second input waveguide 24 is silicon waveguide or hybrid inorganic-organic waveguide or low-loss polymer waveguides on SiO 2 waveguide or the insulation course.Or on III-V compounds of group substrate 100, make Coarse Wave Division Multiplexer 11, first input waveguide 22, output waveguide 23, waveguide 21 and second input waveguide 24.Wherein the material of Coarse Wave Division Multiplexer 11, first input waveguide 22, output waveguide 23, waveguide 21 and second input waveguide 24 is the waveguides of III-V compounds of group.
On substrate 100, mix integration laser 12, monitor detector 13, integrated partial wave/detector 14, detector 15.
Wherein first input waveguide 22 and output waveguide 23, second input waveguide 24 lay respectively at Coarse Wave Division Multiplexer 11 both sides, and output waveguide 23 links to each other with integrated partial wave/detector 14; Second input waveguide 24 is connected with laser instrument 12; Waveguide 21 is angled with output waveguide 23, and two ends link to each other with detector 15 with integrated partial wave/detector 14 respectively.
Wherein first input waveguide 22 is public waveguide, and the input end of first input waveguide 22 and Coarse Wave Division Multiplexer 11 links to each other, and can finish down the biography wavelength simultaneously and be the signal of 1490nm, 1550nm and upload the transmitted in both directions task that wavelength is the 1310nm signal.
Wherein Coarse Wave Division Multiplexer 11 opposite sides have two ports, and the output terminal that links to each other with output waveguide 23 is used for passing down 1490nm and 1550nm wavelength signals; The input port that links to each other with second input waveguide 24 is used to upload the 1310nm wavelength signals.Coarse Wave Division Multiplexer 11 is multimode interference or directional coupler.
Wherein laser instrument 12 is used to launch the 1310nm wavelength signals, uploads to first input waveguide through second input waveguide 24 and Coarse Wave Division Multiplexer 11, monitors that detector 13 is used for the variation of monitoring laser device 12 Output optical power.
Centre wavelength is arranged is 1550nm or 1490nm arrowband film interference filtering film to evaporation on the receive window of integrated partial wave/detector 14, is used to survey descending 1550nm or 1490nm wavelength signals.After detector 15 is used to survey integrated partial wave/detector 14 reflections, by the next signal of waveguide 21 transmission.
Adopt integrated partial wave/detector 14 that the partial wave of 1490nm, 1550nm signal and the extraction of one of them wavelength signals are finished simultaneously, the 1490nm and the 1550nm filter plate that have replaced twice partial wave commonly used, three-way device integrated component number and coupling number of times have been reduced, more compact structure, simplify manufacture craft, saved cost.
The three-way device of making can be used in EPON or the GPON light net in the user side module, and transfer rate reaches as high as 2.5Gb/s.
Embodiment contrast Fig. 1, the transmission path of signal in three-way device is: the number of delivering a letter is transmitted from left to right down, 1490nm and 1550nm wavelength signals are passed for 22 times by first input waveguide, be coupled into output waveguide 23 through Coarse Wave Division Multiplexer 11, output waveguide 23 right-hand members wherein a wavelength signals be integrated partial wave/detector 14 and extract, another wavelength signals is integrated 14 reflections of partial wave/detector, is coupled into detector 15 along waveguide 21.Upload signal and transmit from right to left, the 1310nm wavelength signals is coupled into Coarse Wave Division Multiplexer 11 by the emission of laser instrument 12 output terminals through second input waveguide 24, uploads to first input waveguide 22.First input waveguide 22 has been born the transmitted in both directions task that 1490nm, 1550nm signal pass down and the 1310nm signal is uploaded.
Claims (7)
1, a kind of mixed integral single fibre three-way device is characterized in that, comprising:
One substrate;
One Coarse Wave Division Multiplexer, this Coarse Wave Division Multiplexer be produced on substrate above;
One first input waveguide, this first input waveguide is produced on the substrate, and this first input waveguide is in a side of Coarse Wave Division Multiplexer;
One output waveguide, this output waveguide is produced on the substrate, is positioned at the opposite side of Coarse Wave Division Multiplexer;
One waveguide, this waveguide fabrication are on substrate, and this waveguide becomes an inclination angle with output waveguide;
One second input waveguide, this second input waveguide is produced on the substrate, and the one end links to each other with Coarse Wave Division Multiplexer, and the other end links to each other with laser instrument;
The output waveguide and second input waveguide are in the same side of Coarse Wave Division Multiplexer together;
One laser instrument, this laser instrument mixing is integrated on the substrate, and the output terminal of this laser instrument is connected in second input waveguide;
One monitors detector, and this supervision detector mixing is integrated on the substrate, and the receive window of this supervision detector is connected with the other end of laser instrument;
One integrated partial wave/detector, this integrated partial wave/detector mixing is integrated on the substrate, and this integrated partial wave/detector is connected with waveguide with output waveguide respectively;
One detector, this detector mixing is integrated on the substrate, and this detector is connected with the tail end of waveguide.
2, mixed integral single fibre three-way device according to claim 1 is characterized in that, wherein first input waveguide is public waveguide, and number of delivering a letter wavelength is 1490nm and 1550nm under it, and uploading signal wavelength is 1310nm.
3, mixed integral single fibre three-way device according to claim 1, it is characterized in that, wherein centre wavelength is arranged is 1550nm or 1490nm arrowband film interference filtering film to the receive window evaporation of the detector of integrated partial wave/detector, is used to survey descending 1550nm or 1490nm wavelength signals.
4, mixed integral single fibre three-way device according to claim 1 is characterized in that, wherein Coarse Wave Division Multiplexer is used to upload the 1310nm wavelength signals and passes 1490nm and 1550nm wavelength signals down.
5, mixed integral single fibre three-way device according to claim 4 is characterized in that, wherein Coarse Wave Division Multiplexer is multimode interference or directional coupler.
6, mixed integral single fibre three-way device according to claim 1 is characterized in that, wherein the material of substrate is silicon or III-V compound semiconductor.
7, mixed integral single fibre three-way device according to claim 1, it is characterized in that the material of wherein said Coarse Wave Division Multiplexer, first input waveguide, output waveguide, waveguide, second input waveguide is silicon waveguide or the waveguide of III-V compounds of group or hybrid inorganic-organic waveguide or low-loss polymer waveguide on SiO 2 waveguide or the insulation course.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101410329A CN100535695C (en) | 2006-09-28 | 2006-09-28 | Mixed integral single fibre three-way device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101410329A CN100535695C (en) | 2006-09-28 | 2006-09-28 | Mixed integral single fibre three-way device |
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| Publication Number | Publication Date |
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| CN101153939A CN101153939A (en) | 2008-04-02 |
| CN100535695C true CN100535695C (en) | 2009-09-02 |
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| CNB2006101410329A Expired - Fee Related CN100535695C (en) | 2006-09-28 | 2006-09-28 | Mixed integral single fibre three-way device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102902009A (en) * | 2012-10-26 | 2013-01-30 | 江苏尚飞光电科技有限公司 | Single-fiber triplexer with photonic crystal |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102062911A (en) * | 2011-01-18 | 2011-05-18 | 成都锐华光电技术有限责任公司 | GPON (Gigabit-Capable PON) module basic unit and manufacturing method thereof |
| CN102062910B (en) * | 2011-01-18 | 2013-05-15 | 成都锐华光电技术有限责任公司 | GPON (Gigabit-Capable PON) module basic unit and manufacturing method thereof |
| CN102540365B (en) * | 2011-12-14 | 2014-01-29 | 中国科学院微电子研究所 | Optical integrated structure and manufacturing method thereof |
| CN106291810A (en) * | 2016-08-26 | 2017-01-04 | 武汉电信器件有限公司 | A kind of light hybrid integrated structure based on planar lightguide circuit |
| CN107748409A (en) * | 2017-10-26 | 2018-03-02 | 江苏亨通光网科技有限公司 | Based on AWG wavelength-division multiplex Snigle and preparation method |
| CN110646883B (en) * | 2019-09-30 | 2021-04-13 | 华东师范大学重庆研究院 | Three-way silicon-based beam splitter chip and manufacturing method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4860294A (en) * | 1987-03-30 | 1989-08-22 | Siemens Aktiengesellschaft | Integrated-optical arrangement for bidirectional optical message or signal transmission |
| JP2000241642A (en) * | 1999-02-17 | 2000-09-08 | Sumitomo Electric Ind Ltd | Light transmit/receive module |
-
2006
- 2006-09-28 CN CNB2006101410329A patent/CN100535695C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4860294A (en) * | 1987-03-30 | 1989-08-22 | Siemens Aktiengesellschaft | Integrated-optical arrangement for bidirectional optical message or signal transmission |
| JP2000241642A (en) * | 1999-02-17 | 2000-09-08 | Sumitomo Electric Ind Ltd | Light transmit/receive module |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102902009A (en) * | 2012-10-26 | 2013-01-30 | 江苏尚飞光电科技有限公司 | Single-fiber triplexer with photonic crystal |
| CN102902009B (en) * | 2012-10-26 | 2015-05-27 | 江苏尚飞光电科技有限公司 | Single-fiber triplexer with photonic crystal |
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| CN101153939A (en) | 2008-04-02 |
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Owner name: HE'NAN SHIJIA PHOTON TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: SEMICONDUCTOR INST., CHINESE ACADEMY OF SCIENCES Effective date: 20110519 |
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Effective date of registration: 20110519 Address after: Northwest Hebi Qibin zone of Henan province 458030 Li Yang Road and Hengshan Road intersection angle (private science and Technology Industrial Park Lane middle) Patentee after: Henan Shijia Photons Technology Co., Ltd. Address before: 100083 Beijing Qinghua East Road, Haidian District, No. 35 Patentee before: Semiconductor Inst., Chinese Academy of Sciences |
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Address after: Northwest Hebi Qibin zone of Henan province 458030 Li Yang Road and Hengshan Road intersection angle (private science and Technology Industrial Park Lane middle) Patentee after: HENAN SHIJIA PHOTONS TECHNOLOGY CO., LTD. Address before: Northwest Hebi Qibin zone of Henan province 458030 Li Yang Road and Hengshan Road intersection angle (private science and Technology Industrial Park Lane middle) Patentee before: Henan Shijia Photons Technology Co., Ltd. |
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