CA2463627A1 - An integrated optical circuit having an integrated arrayed waveguide grating (awg) and at least one integrated optical amplifier - Google Patents
An integrated optical circuit having an integrated arrayed waveguide grating (awg) and at least one integrated optical amplifier Download PDFInfo
- Publication number
- CA2463627A1 CA2463627A1 CA002463627A CA2463627A CA2463627A1 CA 2463627 A1 CA2463627 A1 CA 2463627A1 CA 002463627 A CA002463627 A CA 002463627A CA 2463627 A CA2463627 A CA 2463627A CA 2463627 A1 CA2463627 A1 CA 2463627A1
- Authority
- CA
- Canada
- Prior art keywords
- optical
- integrated optical
- optical circuit
- awg
- waveguide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 222
- 239000013307 optical fiber Substances 0.000 claims abstract description 29
- -1 rare earth ions Chemical class 0.000 claims abstract description 8
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 5
- 238000009826 distribution Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 16
- 229910052691 Erbium Inorganic materials 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000001228 spectrum Methods 0.000 claims description 2
- 238000004544 sputter deposition Methods 0.000 claims 2
- 229910052777 Praseodymium Inorganic materials 0.000 claims 1
- 230000003595 spectral effect Effects 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 10
- 239000000835 fiber Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 description 4
- 230000003321 amplification Effects 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 239000013543 active substance Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000001311 chemical methods and process Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000001020 plasma etching Methods 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000000411 transmission spectrum Methods 0.000 description 1
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
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
- G02B6/12007—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer
- G02B6/12009—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer comprising arrayed waveguide grating [AWG] devices, i.e. with a phased array of waveguides
- G02B6/12019—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer comprising arrayed waveguide grating [AWG] devices, i.e. with a phased array of waveguides characterised by the optical interconnection to or from the AWG devices, e.g. integration or coupling with lasers or photodiodes
-
- 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
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
- G02B6/12004—Combinations of two or more optical elements
-
- 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
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
- G02B6/12007—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer
-
- 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
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
- G02B2006/12035—Materials
- G02B2006/12038—Glass (SiO2 based materials)
-
- 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
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
- G02B2006/12083—Constructional arrangements
- G02B2006/12111—Fibre
-
- 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
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
- G02B2006/12133—Functions
- G02B2006/12164—Multiplexing; Demultiplexing
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Integrated Circuits (AREA)
- Optical Communication System (AREA)
- Lasers (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/982,227 | 2001-10-17 | ||
| US09/982,227 US7050663B2 (en) | 2001-10-17 | 2001-10-17 | Integrated optical circuit having an integrated arrayed waveguide grating (AWG) and optical amplifier(s) |
| PCT/US2002/033423 WO2003034111A2 (en) | 2001-10-17 | 2002-10-17 | An integrated optical circuit having an integrated arrayed waveguide grating (awg) and at least one integrated optical amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2463627A1 true CA2463627A1 (en) | 2003-04-24 |
Family
ID=25528961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002463627A Abandoned CA2463627A1 (en) | 2001-10-17 | 2002-10-17 | An integrated optical circuit having an integrated arrayed waveguide grating (awg) and at least one integrated optical amplifier |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US7050663B2 (https=) |
| EP (1) | EP1436648B1 (https=) |
| JP (1) | JP4276946B2 (https=) |
| KR (1) | KR100705865B1 (https=) |
| AT (1) | ATE313809T1 (https=) |
| AU (1) | AU2002360286A1 (https=) |
| CA (1) | CA2463627A1 (https=) |
| DE (1) | DE60208225T2 (https=) |
| RU (1) | RU2272308C2 (https=) |
| TW (1) | TW595136B (https=) |
| WO (1) | WO2003034111A2 (https=) |
Families Citing this family (40)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7050663B2 (en) | 2001-10-17 | 2006-05-23 | Intel Corporation | Integrated optical circuit having an integrated arrayed waveguide grating (AWG) and optical amplifier(s) |
| US6731425B1 (en) | 2002-03-07 | 2004-05-04 | Cisco Technology, Inc. | Modular Raman pump double-multiplexer |
| US20050207000A1 (en) * | 2003-02-04 | 2005-09-22 | Fujitsu Limited | Multipoint monitoring method, monitoring point apparatus, and monitoring station apparatus |
| US7181095B1 (en) | 2003-07-29 | 2007-02-20 | Cisco Technology, Inc. | Low loss, noise filtering multiplexer/demultiplexer for reconfigurable OADMs |
| US7297913B2 (en) * | 2004-04-20 | 2007-11-20 | Diehl Bgt Gmbh & Co. Kg | Module for a laser measuring device |
| US7570844B2 (en) * | 2005-01-18 | 2009-08-04 | Doron Handelman | Photonic integrated circuit device and elements thereof |
| US7397986B2 (en) * | 2005-03-04 | 2008-07-08 | Gemfire Corporation | Optical device with reduced temperature dependence |
| KR100868973B1 (ko) * | 2007-04-13 | 2008-11-17 | (주)휴먼라이트 | 평면 광파 회로를 이용한 영상 분배 장치 |
| US8824897B2 (en) * | 2008-06-04 | 2014-09-02 | Accipiter Systems, Inc. | Optical network systems and methods for operating same |
| MY167202A (en) | 2009-03-20 | 2018-08-13 | Alcatel Lucent | Coherent optical detector having a multifunctional waveguide grating |
| CN102045125B (zh) * | 2009-10-26 | 2013-12-04 | 华为技术有限公司 | 一种光分路器、光分路器端口识别方法及装置 |
| US8494315B2 (en) * | 2009-12-17 | 2013-07-23 | Alcatel Lucent | Photonic integrated circuit having a waveguide-grating coupler |
| US8548291B2 (en) * | 2010-12-29 | 2013-10-01 | Alcatel Lucent | Optical amplifier for multi-core optical fiber |
| US9103987B2 (en) | 2010-12-29 | 2015-08-11 | Alcatel Lucent | Optical amplifier for multi-core optical fiber |
| KR101357996B1 (ko) * | 2011-01-26 | 2014-02-05 | (주)옵토위즈 | 시분할 수동형 광통신망에서 광선로 종단 장치 간에 광 네트워크 시스템 |
| US20120219292A1 (en) * | 2011-02-25 | 2012-08-30 | Accipiter Systems, Inc. | Optical switch for implementing wave division multiplexing networks |
| US8902488B2 (en) | 2012-06-28 | 2014-12-02 | Accipiter Systems, Inc. | System architecture for an optical switch using wavelength, fiber and polarizaton addressing |
| KR101880034B1 (ko) | 2016-12-08 | 2018-07-19 | (주)엑스엠더블유 | 확장성을 갖는 밀리미터파 증폭기 구조 |
| WO2018118807A1 (en) | 2016-12-19 | 2018-06-28 | Lawrence Livermore National Security, Llc | Wavelength selective transfer of optical energy |
| US10686729B2 (en) | 2017-03-29 | 2020-06-16 | Fungible, Inc. | Non-blocking any-to-any data center network with packet spraying over multiple alternate data paths |
| WO2018183526A1 (en) * | 2017-03-29 | 2018-10-04 | Fungible, Inc. | Non-blocking, full-mesh data center network having optical permutors |
| WO2018183553A1 (en) | 2017-03-29 | 2018-10-04 | Fungible, Inc. | Non-blocking any-to-any data center network having multiplexed packet spraying within access node groups |
| CN110741356B (zh) | 2017-04-10 | 2024-03-15 | 微软技术许可有限责任公司 | 多处理器系统中的中继一致存储器管理 |
| US10725825B2 (en) | 2017-07-10 | 2020-07-28 | Fungible, Inc. | Data processing unit for stream processing |
| US11303472B2 (en) | 2017-07-10 | 2022-04-12 | Fungible, Inc. | Data processing unit for compute nodes and storage nodes |
| US12231353B2 (en) | 2017-09-29 | 2025-02-18 | Microsoft Technology Licensing, Llc | Fabric control protocol for data center networks with packet spraying over multiple alternate data paths |
| US12341687B2 (en) | 2017-09-29 | 2025-06-24 | Microsoft Technology Licensing, Llc | Reliable fabric control protocol extensions for data center networks with failure resilience |
| US10904367B2 (en) | 2017-09-29 | 2021-01-26 | Fungible, Inc. | Network access node virtual fabrics configured dynamically over an underlay network |
| WO2019068017A1 (en) | 2017-09-29 | 2019-04-04 | Fungible, Inc. | RESILIENT NETWORK COMMUNICATION USING SELECTIVE PULVER FLOW SPRAY BY MULTIPATH PATH |
| US12212495B2 (en) | 2017-09-29 | 2025-01-28 | Microsoft Technology Licensing, Llc | Reliable fabric control protocol extensions for data center networks with unsolicited packet spraying over multiple alternate data paths |
| US12294470B2 (en) | 2017-09-29 | 2025-05-06 | Microsoft Technology Licensing, Llc | Fabric control protocol for large-scale multi-stage data center networks |
| US12278763B2 (en) | 2017-09-29 | 2025-04-15 | Microsoft Technology Licensing, Llc | Fabric control protocol with congestion control for data center networks |
| US10841245B2 (en) | 2017-11-21 | 2020-11-17 | Fungible, Inc. | Work unit stack data structures in multiple core processor system for stream data processing |
| WO2019152063A1 (en) | 2018-02-02 | 2019-08-08 | Fungible, Inc. | Efficient work unit processing in a multicore system |
| US10929175B2 (en) | 2018-11-21 | 2021-02-23 | Fungible, Inc. | Service chaining hardware accelerators within a data stream processing integrated circuit |
| KR102060987B1 (ko) * | 2018-12-12 | 2019-12-31 | 주식회사 온페이스 | 5g 통신용 광파 회로와 이를 이용한 단일 채널의 전이중 광통신 시스템 |
| US10838149B2 (en) * | 2019-03-05 | 2020-11-17 | Lawrence Livermore National Security, Llc | Dual-core fiber amplifier for separation of thermal and nonlinear effects |
| EP4070487A4 (en) | 2019-12-05 | 2024-01-03 | IPG Photonics Corporation | COHERENT TRANSMISSION SYSTEM BY BIDIRECTIONAL MONO-FIBER |
| WO2025257879A1 (ja) * | 2024-06-10 | 2025-12-18 | Ntt株式会社 | 光回路 |
| CN119253400B (zh) * | 2024-09-19 | 2025-08-29 | 武汉邮电科学研究院有限公司 | 一种任意位置泵浦耦合的光放大集成芯片 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9305977D0 (en) * | 1993-03-23 | 1993-05-12 | Northern Telecom Ltd | Transmission system incorporating optical amplifiers |
| US5459801A (en) * | 1993-10-29 | 1995-10-17 | Rutgers University | Coupler used to fabricate add-drop devices, dispersion compensators, amplifiers, oscillators, superluminescent devices, and communications systems |
| DE4424139C1 (de) * | 1994-07-08 | 1995-03-23 | Siemens Ag | Optische WDM-Koppelanordnung |
| JPH09321740A (ja) | 1996-05-31 | 1997-12-12 | Fujitsu Ltd | 波長分割多重のための光増幅器 |
| CA2278482C (en) | 1997-01-17 | 2002-06-04 | Tellium, Inc. | Integrated multi-wavelength transmitter |
| US6137939A (en) * | 1997-10-01 | 2000-10-24 | Lucent Technologies Inc. | Method and apparatus for reducing temperature-related spectrum shifts in optical devices |
| US6111996A (en) | 1998-03-13 | 2000-08-29 | Northern Telecom Limited | Optical multiplexer/demultiplexer |
| US6434175B1 (en) * | 1999-08-31 | 2002-08-13 | Corning Incorporated | Multiwavelength distributed bragg reflector phased array laser |
| JP3558124B2 (ja) * | 2000-07-25 | 2004-08-25 | 住友電気工業株式会社 | ラマン増幅器及びそれを用いた光伝送システム |
| US6882782B2 (en) * | 2000-11-01 | 2005-04-19 | Schott Glas | Photonic devices for optical and optoelectronic information processing |
| US6594409B2 (en) * | 2001-04-18 | 2003-07-15 | Apic Corporation | WDM transmitter or receiver including an array waveguide grating and active optical elements |
| US6549688B2 (en) * | 2001-07-06 | 2003-04-15 | Redfern Integrated Optics Pty Ltd | Monolithically-integrated optical device and method of forming same |
| US6807349B2 (en) * | 2001-09-04 | 2004-10-19 | Michael Bazylenko | Planer waveguide and method of formation |
| US7050663B2 (en) | 2001-10-17 | 2006-05-23 | Intel Corporation | Integrated optical circuit having an integrated arrayed waveguide grating (AWG) and optical amplifier(s) |
-
2001
- 2001-10-17 US US09/982,227 patent/US7050663B2/en not_active Expired - Fee Related
-
2002
- 2002-10-16 TW TW091123821A patent/TW595136B/zh not_active IP Right Cessation
- 2002-10-17 JP JP2003536786A patent/JP4276946B2/ja not_active Expired - Fee Related
- 2002-10-17 CA CA002463627A patent/CA2463627A1/en not_active Abandoned
- 2002-10-17 AU AU2002360286A patent/AU2002360286A1/en not_active Abandoned
- 2002-10-17 DE DE60208225T patent/DE60208225T2/de not_active Expired - Lifetime
- 2002-10-17 WO PCT/US2002/033423 patent/WO2003034111A2/en not_active Ceased
- 2002-10-17 AT AT02795533T patent/ATE313809T1/de not_active IP Right Cessation
- 2002-10-17 RU RU2004114867/28A patent/RU2272308C2/ru not_active IP Right Cessation
- 2002-10-17 EP EP02795533A patent/EP1436648B1/en not_active Expired - Lifetime
- 2002-10-17 KR KR1020047005595A patent/KR100705865B1/ko not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP1436648B1 (en) | 2005-12-21 |
| WO2003034111A3 (en) | 2004-03-25 |
| DE60208225D1 (de) | 2006-01-26 |
| KR20050037411A (ko) | 2005-04-21 |
| US7050663B2 (en) | 2006-05-23 |
| AU2002360286A1 (en) | 2003-04-28 |
| WO2003034111A2 (en) | 2003-04-24 |
| RU2272308C2 (ru) | 2006-03-20 |
| DE60208225T2 (de) | 2006-08-31 |
| ATE313809T1 (de) | 2006-01-15 |
| KR100705865B1 (ko) | 2007-04-10 |
| US20060029323A1 (en) | 2006-02-09 |
| TW595136B (en) | 2004-06-21 |
| EP1436648A2 (en) | 2004-07-14 |
| JP4276946B2 (ja) | 2009-06-10 |
| RU2004114867A (ru) | 2005-02-10 |
| JP2005506696A (ja) | 2005-03-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7050663B2 (en) | Integrated optical circuit having an integrated arrayed waveguide grating (AWG) and optical amplifier(s) | |
| EP0883218B1 (en) | Wide band optical amplifier | |
| EP0731576B1 (en) | Gain equalization using monolithic planar waveguide grating multiplexer and demultiplexer | |
| EP2062076B1 (en) | Method and system for grating taps for monitoring a dwdm transmitter array integrated on a plc platform | |
| EP0616440B1 (en) | Optical communication system with multiple fiber monitoring | |
| EP0856755A1 (en) | Optical waveguide coupler having low insertion loss | |
| WO2000027057A1 (en) | Amplification of an optical wdm signal | |
| EP1033593A1 (en) | Waveguide grating router having a predetermined composite amplitude spectrum | |
| Doi et al. | Flat and high responsivity CWDM photoreceiver using silica-based AWG with multimode output waveguides | |
| JP3382394B2 (ja) | ブラッググレーティング使用波長多重光回路 | |
| US20010012426A1 (en) | Arrayed-waveguide grating | |
| JP4555290B2 (ja) | 光増幅器 | |
| Okamoto | Planar lightwave circuits (PLCs) | |
| US20040213511A1 (en) | Erbium doped waveguide amplifier (EDWA) with pump reflector | |
| Oguma et al. | Four-channel flat-top and low-loss filter for wide passband WDM access network | |
| JP3597045B2 (ja) | 広帯域光増幅器およびこれを含む装置および光信号を増幅する方法 | |
| US20040151428A1 (en) | Amplified optical splitter | |
| US20040151429A1 (en) | Integrated double pass equalizer for telecommunications networks | |
| Frolov et al. | EDWA: key enabler of optical integration on PLC | |
| UETSUKA et al. | Wavelength division multi/demultiplexer with arrayed waveguide grating | |
| JP3137165B2 (ja) | 光導波回路の製造方法 | |
| US20040022490A1 (en) | Loss compensated wavelength division multiplexing filter module | |
| Wada et al. | Coupled 2-LP 6-core EDFA with 125 μm cladding diameter | |
| JP2006074016A (ja) | 光増幅型アレイ導波路回折格子 | |
| Hashimoto et al. | Hybrid integration of active devices on PLC |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued |