WO2016201650A1 - Polarization-insensitive arrayed waveguide grating module - Google Patents
Polarization-insensitive arrayed waveguide grating module Download PDFInfo
- Publication number
- WO2016201650A1 WO2016201650A1 PCT/CN2015/081698 CN2015081698W WO2016201650A1 WO 2016201650 A1 WO2016201650 A1 WO 2016201650A1 CN 2015081698 W CN2015081698 W CN 2015081698W WO 2016201650 A1 WO2016201650 A1 WO 2016201650A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- coupler
- polarization
- fiber
- waveguide grating
- arrayed waveguide
- Prior art date
Links
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/27—Optical coupling means with polarisation selective and adjusting means
Definitions
- first coupler and the second coupler are cylindrical structures of the same size.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
- Optical Integrated Circuits (AREA)
Abstract
A polarization-insensitive arrayed waveguide grating module comprises a superluminescent diode (1), first couplers (2), second couplers (3), an optical fiber loop (4), a phase modulator (5), a polarizer (6), polarization maintaining fibers (7), a detector (8), an optical fiber (9), an optical path (10), and an optical isolator (11). The superluminescent diode (1) is connected to a first coupler (2) by means of the polarization maintaining fiber (7); and when the superluminescent diode (1) is connected to the first coupler (2), a first coupler (2) at the same side is connected to the detector (8) by means of the polarization maintaining fiber (7). The first coupler (2) and the second coupler (3) are connected to two ends of the polarizer (6) by means of the polarization maintaining fiber (7). One end of the second coupler (3) is connected to the optical fiber loop (4) by means of the polarization maintaining fiber (7), and the phase modulator (5) is connected between the second coupler (3) and the optical fiber loop (4) by means of the polarization maintaining fiber (7). The optical fiber (9) is transferred from the optical path (10) to the optical isolator (11), and is transferred from the other end of the optical isolator (11).
Description
本发明涉及波导光栅应用技术领域，尤其是一种偏振不敏感阵列波导光栅模块。The invention relates to the field of waveguide grating application technology, in particular to a polarization insensitive array waveguide grating module.
阵列波导光栅通常用于密积型波分复用器***的复用及解复用，阵列波导光栅通过波导光栅衍射实现分波，阵列波导光栅使不同波长的输入信号引入不同的相位差，光场在输出平板波导区衍射汇聚,不同波消除偏振相关性，在AWG器件中，由于TE模式和TM模式的传播常数不同会造成AWG频谱响应的偏振相关问题，这会影响器件的性能，使器件的使用寿命减少，工作不稳定，输出的光不稳定，影响阵列波导光栅的使用，为此，提出一种偏振不敏感阵列波导光栅模块。Arrayed waveguide gratings are commonly used for multiplexing and demultiplexing of dense-type wavelength division multiplexer systems. Arrayed waveguide gratings are demultiplexed by waveguide grating diffraction. Arrayed waveguide gratings introduce different phase differences between input signals of different wavelengths. The field is diffracted and concentrated in the output slab waveguide region, and the different waves eliminate the polarization dependence. In the AWG device, the polarization dependence of the AWG spectral response will be caused by the different propagation constants of the TE mode and the TM mode, which will affect the performance of the device and make the device The service life is reduced, the operation is unstable, the output light is unstable, and the use of the arrayed waveguide grating is affected. To this end, a polarization-insensitive arrayed waveguide grating module is proposed.
发明内容Summary of the invention
针对上述问题，本发明旨在提供一种工作稳定，性能优良，重量轻，具有良好的偏振不敏感性能，实用性强的偏振不敏感阵列波导光栅模块。In view of the above problems, the present invention aims to provide a polarization insensitive array waveguide grating module which is stable in operation, excellent in performance, light in weight, has good polarization insensitivity, and is highly practical.
为实现该技术目的，本发明的方案是：一种偏振不敏感阵列波导光栅模块，包括超辐射二极管、第一耦合器、第二耦合器、光圈环圈、相位调制器、偏振器、保偏光纤、探测器、光纤、光路和光隔离器；所述超辐射二极管通过保偏光纤与第一耦合器连接，并且在超辐射二极管与第一耦合器连接同侧第一耦合器通过保偏光纤与探测器连接；所述第一耦合器和第二耦合器通过保偏光纤与偏振器两端连接；所述第二耦合器一端通过保偏光纤与光纤环圈连接，并且在第二耦合器和光纤环圈之间通过保偏光纤连接相位调制器；所述光纤从光路传递
到光隔离器中，并且从光隔离器另一端传出。To achieve the technical object, the solution of the present invention is: a polarization-insensitive arrayed waveguide grating module, including a super-radiation diode, a first coupler, a second coupler, an aperture ring, a phase modulator, a polarizer, and a polarization maintaining a fiber, a detector, an optical fiber, an optical path, and an optical isolator; the super radiant diode is connected to the first coupler through the polarization maintaining fiber, and the first coupler is connected to the first coupler through the polarization maintaining fiber and the super radiant diode is connected to the first coupler a detector connection; the first coupler and the second coupler are connected to both ends of the polarizer through a polarization maintaining fiber; the second coupler end is connected to the fiber ring through the polarization maintaining fiber, and the second coupler and A phase modulator is connected between the fiber loops via a polarization maintaining fiber; the fiber is transmitted from the optical path
Go to the opto-isolator and pass it from the other end of the opto-isolator.
其中，所述保偏光纤为柔性结构。Wherein, the polarization maintaining fiber is a flexible structure.
其中，所述第一耦合器和第二耦合器为大小相同的圆柱形结构。Wherein, the first coupler and the second coupler are cylindrical structures of the same size.
其中，所述光纤和光路之间采用紧凑sparkle级联方式级联。Wherein, the optical fiber and the optical path are cascaded in a compact sparkle cascade manner.
其中，所述光圈环圈与第二耦合器和相位调制器连接，并且光圈环圈为圆环形结构。Wherein, the aperture ring is connected with the second coupler and the phase modulator, and the aperture ring has a circular ring structure.
其中，所述偏振器两端与保偏光纤之间嵌入连接。Wherein, the two ends of the polarizer are embedded with the polarization maintaining fiber.
其中，所述辐射二极管表面设置有保护层。Wherein, the surface of the radiation diode is provided with a protective layer.
其中，所述探测器一端设置有探测口。Wherein, one end of the detector is provided with a detection port.
其中，所述探测器与光纤连接。Wherein the detector is connected to an optical fiber.
与现有技术相比，本发明的有益效果是：所述阵列波导光栅在输入端设置消偏振结构，使阵列波导光栅消除偏振效果，使阵列波导光栅模块性能更好，所述光纤和光路之间采用紧凑sparkle级联方式级联，使消振结构与阵列波导输入端之间的连接更好，并且该结构性能优良，重量轻，具有良好的偏振不敏感性能，实用性强，适合推广使用。Compared with the prior art, the invention has the beneficial effects that the arrayed waveguide grating is provided with a depolarization structure at the input end, so that the arrayed waveguide grating eliminates the polarization effect, and the arrayed waveguide grating module has better performance, and the optical fiber and the optical path are The compact sparkle cascading cascade is used to make the connection between the vibration absorbing structure and the input end of the array waveguide better, and the structure has excellent performance, light weight, good polarization insensitivity performance, strong practicability, and is suitable for popularization. .
图1为本发明的整体结构示意图；Figure 1 is a schematic view of the overall structure of the present invention;
图2为本发明的光纤传递示意图；2 is a schematic view showing the transmission of the optical fiber of the present invention;
图3为本发明阵列波导区的宽波导细节图；3 is a detailed view of a wide waveguide of an arrayed waveguide region of the present invention;
其中：1、超辐射二极管，2、第一耦合器，3、第二耦合器，4、光圈环圈，5、相位调制器，6、偏振器，7、保偏光纤，8、探测器，9、光纤，10、光路，11、光隔离器。Among them: 1, super-radiation diode, 2, first coupler, 3, second coupler, 4, aperture ring, 5, phase modulator, 6, polarizer, 7, polarization-maintaining fiber, 8, detector, 9, optical fiber, 10, optical path, 11, optical isolator.
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其它实施例，都属于本发明保护的范围。The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.
请参阅图1～3,本发明实施例中，一种偏振不敏感阵列波导光栅模块，包括超辐射二极管1、第一耦合器2、第二耦合器3、光圈环圈4、相位调制器5、偏振器6、保偏光纤7、探测器8、光纤9、光路10和光隔离器11；所述超辐射二极管1通过保偏光纤7与第一耦合器2连接，并且在超辐射二极管1与第一耦合器2连接同侧第一耦合器2通过保偏光纤7与探测器8连接；所述第一耦合器2和第二耦合器3通过保偏光纤7与偏振器6两端连接；所述第二耦合器3一端通过保偏光纤7与光纤环圈4连接，并且在第二耦合器3和光纤环圈4之间通过保偏光纤7连接相位调制器5；所述光纤9从光路10传递到光隔离器11中，并且从光隔离器11另一端传出。Referring to FIGS. 1 to 3, in a embodiment of the present invention, a polarization insensitive array waveguide grating module includes a super-radiation diode 1, a first coupler 2, a second coupler 3, an aperture ring 4, and a phase modulator 5. a polarizer 6, a polarization maintaining fiber 7, a detector 8, an optical fiber 9, an optical path 10, and an optical isolator 11; the super radiant diode 1 is connected to the first coupler 2 via a polarization maintaining fiber 7, and is in the super radiant diode 1 The first coupler 2 is connected to the same side first coupler 2 and connected to the detector 8 via the polarization maintaining fiber 7; the first coupler 2 and the second coupler 3 are connected to both ends of the polarizer 6 via the polarization maintaining fiber 7; One end of the second coupler 3 is connected to the fiber loop 4 through the polarization maintaining fiber 7 , and the phase modulator 5 is connected between the second coupler 3 and the fiber loop 4 via the polarization maintaining fiber 7; The optical path 10 is transmitted to the optical isolator 11 and is transmitted from the other end of the optical isolator 11.
本发明优化技术方案：所述保偏光纤为柔性结构；所述第一耦合器2和第二耦合器3为大小相同的圆柱形结构；所述光纤9和光路10之间采用紧凑sparkle级联方式级联；所述光圈环圈4与第二耦合器3和相位调制器5连接，并且光圈环圈4为圆环形结构；所述偏振器6两端与保偏光纤7之间嵌入连接；所述辐射二极管1表面设置有保护层；所述探测器8一端设置有探测口；所述探测器8与光纤9连接。The optimization technical solution of the present invention: the polarization maintaining fiber is a flexible structure; the first coupler 2 and the second coupler 3 are cylindrical structures of the same size; a compact sparkle cascade is adopted between the optical fiber 9 and the optical path 10 The aperture ring 4 is connected to the second coupler 3 and the phase modulator 5, and the aperture ring 4 has a circular ring structure; the two ends of the polarizer 6 are embedded with the polarization maintaining fiber 7 The surface of the radiation diode 1 is provided with a protective layer; one end of the detector 8 is provided with a detection port; and the detector 8 is connected to the optical fiber 9.
对于本领域技术人员而言，显然本发明不限于上述示范性实施例的细节，而且在不背离本发明的精神或基本特征的情况下，能够以其它的具体形式实现本发明。因此，无论从哪一点来看，均应将实施例看作是示范性的，而且是非限制性的，本发明的范围由所附权利要求而不是上述说明限定，因此旨在将落
在权利要求的等同要件的含义和范围内的所有变化囊括在本发明内。不应将权利要求中的任何附图标记视为限制所涉及的权利要求。It is obvious to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and the present invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the invention is defined by the appended claims instead
All changes that come within the meaning and range of equivalency of the claims are included in the invention. Any reference signs in the claims should not be construed as limiting the claim.
以上所述，仅为本发明的较佳实施例，并不用以限制本发明，凡是依据本发明的技术实质对以上实施例所作的任何细微修改、等同替换和改进，均应包含在本发明技术方案的保护范围之内。
The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention. Any minor modifications, equivalent substitutions and improvements made to the above embodiments in accordance with the technical spirit of the present invention should be included in the present technology. Within the scope of protection of the program.
Claims (9)
- 一种偏振不敏感阵列波导光栅模块，其中，包括超辐射二极管、第一耦合器、第二耦合器、光圈环圈、相位调制器、偏振器、保偏光纤、探测器、光纤、光路和光隔离器，所述超辐射二极管通过保偏光纤与第一耦合器连接，并且在超辐射二极管与第一耦合器连接同侧第一耦合器通过保偏光纤与探测器连接；所述第一耦合器和第二耦合器通过保偏光纤与偏振器两端连接；所述第二耦合器一端通过保偏光纤与光纤环圈连接，并且在第二耦合器和光纤环圈之间通过保偏光纤连接相位调制器；所述光纤从光路传递到光隔离器中，并且从光隔离器另一端传出。A polarization insensitive arrayed waveguide grating module, comprising a super-radiation diode, a first coupler, a second coupler, an aperture ring, a phase modulator, a polarizer, a polarization maintaining fiber, a detector, an optical fiber, an optical path, and optical isolation The super radiant diode is connected to the first coupler through the polarization maintaining fiber, and the first coupler is connected to the detector via the polarization maintaining fiber on the same side of the super radiant diode and the first coupler; the first coupler And the second coupler is connected to both ends of the polarizer through the polarization maintaining fiber; the second coupler is connected to the fiber ring through the polarization maintaining fiber at one end, and is connected by the polarization maintaining fiber between the second coupler and the fiber ring a phase modulator; the optical fiber is transmitted from the optical path to the optical isolator and is transmitted from the other end of the optical isolator.
- 根据权利1所述的偏振不敏感阵列波导光栅模块，其中，所述保偏光纤为柔性结构。The polarization insensitive arrayed waveguide grating module of claim 1, wherein the polarization maintaining fiber is a flexible structure.
- 根据权利1所述的偏振不敏感阵列波导光栅模块，其中，所述第一耦合器和第二耦合器为大小相同的圆柱形结构。The polarization insensitive arrayed waveguide grating module of claim 1, wherein the first coupler and the second coupler are cylindrical structures of the same size.
- 根据权利1所述的偏振不敏感阵列波导光栅模块，其中，所述光纤和光路之间采用紧凑sparkle级联方式级联。The polarization insensitive arrayed waveguide grating module according to claim 1, wherein the optical fiber and the optical path are cascaded in a compact sparkle cascade manner.
- 根据权利1所述的偏振不敏感阵列波导光栅模块，其中，所述光圈环圈与第二耦合器和相位调制器连接，并且光圈环圈为圆环形结构。The polarization insensitive arrayed waveguide grating module of claim 1, wherein the aperture ring is coupled to the second coupler and the phase modulator, and the aperture ring is a toroidal structure.
- 根据权利1所述的偏振不敏感阵列波导光栅模块，其中，所述偏振器两端与保偏光纤之间嵌入连接。The polarization insensitive arrayed waveguide grating module of claim 1, wherein the polarizer has an embedded connection between the two ends of the polarizer and the polarization maintaining fiber.
- 根据权利1所述的偏振不敏感阵列波导光栅模块，其中，所述辐射二极管表面设置有保护层。The polarization insensitive arrayed waveguide grating module of claim 1, wherein the radiant diode surface is provided with a protective layer.
- 根据权利1所述的偏振不敏感阵列波导光栅模块，其中，所述探测器一端设置有探测口。 The polarization insensitive arrayed waveguide grating module of claim 1, wherein one end of the detector is provided with a detection port.
- 根据权利1所述的偏振不敏感阵列波导光栅模块，其中，所述探测器与光纤连接。 The polarization insensitive arrayed waveguide grating module of claim 1, wherein the detector is coupled to an optical fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2015/081698 WO2016201650A1 (en) | 2015-06-17 | 2015-06-17 | Polarization-insensitive arrayed waveguide grating module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2015/081698 WO2016201650A1 (en) | 2015-06-17 | 2015-06-17 | Polarization-insensitive arrayed waveguide grating module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2016201650A1 true WO2016201650A1 (en) | 2016-12-22 |
Family
ID=57544652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2015/081698 WO2016201650A1 (en) | 2015-06-17 | 2015-06-17 | Polarization-insensitive arrayed waveguide grating module |
Country Status (1)
| Country | Link |
|---|---|
| WO (1) | WO2016201650A1 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1435922A (en) * | 2002-01-26 | 2003-08-13 | 华为技术有限公司 | Variable wavelenght output optic fibre laser |
| US20040001663A1 (en) * | 2002-06-26 | 2004-01-01 | Vodrahalli Nagesh K. | Polarization-insensitive planar lightwave circuits and method for fabricating the same |
| CN1938638A (en) * | 2004-02-10 | 2007-03-28 | 英特尔公司 | Method and apparatus for polarization insensitive phase shifting of an optical beam in an optical device |
| JP2010250238A (en) * | 2009-04-20 | 2010-11-04 | Nippon Telegr & Teleph Corp <Ntt> | Optical wavelength multiplexing and demultiplexing circuit and method of adjusting polarized wave dependence of the same |
| CN103091782A (en) * | 2013-01-23 | 2013-05-08 | 浙江大学 | Array waveguide grating module with polarization control |
| CN204479797U (en) * | 2014-12-05 | 2015-07-15 | 朱小涛 | A kind of Arrayed Waveguide Grating device with Polarization Control |
-
2015
- 2015-06-17 WO PCT/CN2015/081698 patent/WO2016201650A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1435922A (en) * | 2002-01-26 | 2003-08-13 | 华为技术有限公司 | Variable wavelenght output optic fibre laser |
| US20040001663A1 (en) * | 2002-06-26 | 2004-01-01 | Vodrahalli Nagesh K. | Polarization-insensitive planar lightwave circuits and method for fabricating the same |
| CN1938638A (en) * | 2004-02-10 | 2007-03-28 | 英特尔公司 | Method and apparatus for polarization insensitive phase shifting of an optical beam in an optical device |
| JP2010250238A (en) * | 2009-04-20 | 2010-11-04 | Nippon Telegr & Teleph Corp <Ntt> | Optical wavelength multiplexing and demultiplexing circuit and method of adjusting polarized wave dependence of the same |
| CN103091782A (en) * | 2013-01-23 | 2013-05-08 | 浙江大学 | Array waveguide grating module with polarization control |
| CN204479797U (en) * | 2014-12-05 | 2015-07-15 | 朱小涛 | A kind of Arrayed Waveguide Grating device with Polarization Control |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6194789B2 (en) | Optical waveguide device | |
| Tan et al. | Silicon-based hybrid (de) multiplexer for wavelength-/polarization-division-multiplexing | |
| US20150381301A1 (en) | Wavelength division multiplexing optical receiver | |
| WO2010021671A3 (en) | Planar polarization splitter | |
| US10151883B2 (en) | Optical coupling device and method | |
| US10145727B2 (en) | Method and structure for diminishing signal interference of transmission path of optical fibre interference system | |
| WO2016090610A1 (en) | Micro-ring resonator | |
| Shi et al. | Silicon CWDM demultiplexers using contra-directional couplers | |
| Naghdi et al. | Silicon photonic four-channel optical add-drop multiplexer enabled by subwavelength grating waveguides | |
| US6304380B1 (en) | Reducing polarization dependency of optical apparatus | |
| JP6127171B1 (en) | Polarization-independent wavelength filter | |
| EP2685300B1 (en) | Single fibre device | |
| WO2016201650A1 (en) | Polarization-insensitive arrayed waveguide grating module | |
| JP5828516B2 (en) | Polarizer | |
| JP2011076049A (en) | Optical signal receiver | |
| EP3629068A1 (en) | Optical add-drop multiplexer | |
| JP5302260B2 (en) | Planar lightwave circuit | |
| CN105988171A (en) | Polarization-insensitive arrayed waveguide grating structure | |
| Wang et al. | Si integrated optical phased array for efficient beam steering in optical wireless communications | |
| Saber et al. | A compact silicon photonic add-drop multiplexer with misaligned sidewall Bragg gratings in a MZI | |
| Kazanskiy et al. | 2D-Heterostructure Photonic Crystal Formation for On-Chip Polarization Division Multiplexing. Photonics 2021, 8, 313 | |
| Cheng et al. | Polarization splitting dual-band grating coupler for wavelength multiplexing at 1310 nm and 1550 nm | |
| JP4156159B2 (en) | Polarization maintaining optical signal delay circuit | |
| Probst et al. | Inverse-designed, normal incidence grating couplers for multi-core fiber I/O | |
| JP2015106083A (en) | Optical directional coupler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 15895223 Country of ref document: EP Kind code of ref document: A1 |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| 32PN | Ep: public notification in the ep bulletin as address of the adressee cannot be established |
Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC - (FORM 1205A) |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 15895223 Country of ref document: EP Kind code of ref document: A1 |