DE60038651D1 - Vorwärtsgeregelter optischer Frequenz/Phasendemodulator - Google Patents
Vorwärtsgeregelter optischer Frequenz/PhasendemodulatorInfo
- Publication number
- DE60038651D1 DE60038651D1 DE60038651T DE60038651T DE60038651D1 DE 60038651 D1 DE60038651 D1 DE 60038651D1 DE 60038651 T DE60038651 T DE 60038651T DE 60038651 T DE60038651 T DE 60038651T DE 60038651 D1 DE60038651 D1 DE 60038651D1
- Authority
- DE
- Germany
- Prior art keywords
- optical frequency
- controlled optical
- phase demodulator
- demodulator
- phase
- 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.)
- Expired - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/60—Receivers
- H04B10/66—Non-coherent receivers, e.g. using direct detection
- H04B10/69—Electrical arrangements in the receiver
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/60—Receivers
- H04B10/66—Non-coherent receivers, e.g. using direct detection
- H04B10/67—Optical arrangements in the receiver
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/60—Receivers
- H04B10/66—Non-coherent receivers, e.g. using direct detection
- H04B10/67—Optical arrangements in the receiver
- H04B10/676—Optical arrangements in the receiver for all-optical demodulation of the input optical signal
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US322288 | 1999-05-28 | ||
US09/322,288 US6201632B1 (en) | 1999-05-28 | 1999-05-28 | Feed forward optical frequency/phase demodulator |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60038651D1 true DE60038651D1 (de) | 2008-06-05 |
DE60038651T2 DE60038651T2 (de) | 2009-06-18 |
Family
ID=23254219
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60038651T Expired - Lifetime DE60038651T2 (de) | 1999-05-28 | 2000-05-25 | Vorwärtsgeregelter optischer Frequenz/Phasendemodulator |
Country Status (4)
Country | Link |
---|---|
US (1) | US6201632B1 (de) |
EP (1) | EP1056230B1 (de) |
JP (1) | JP3524038B2 (de) |
DE (1) | DE60038651T2 (de) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6574031B1 (en) * | 1997-12-08 | 2003-06-03 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Method for balancing detector output to a desired level of balance at a frequency |
JP4164179B2 (ja) * | 1998-12-18 | 2008-10-08 | 富士通株式会社 | 光変調器及びそのバイアス制御回路並びに該光変調器を備えた光送信機 |
US6697576B1 (en) * | 2000-07-20 | 2004-02-24 | Northrop Grumman Corporation | Wideband, high-fidelity analog optical link design |
US6452714B1 (en) * | 2000-07-20 | 2002-09-17 | Trw Inc. | Enhanced feed forward optical frequency/phase demodulator |
US6728277B1 (en) * | 2000-08-28 | 2004-04-27 | Emcore Corporation | Envelope biasing for laser transmitters |
US7099592B2 (en) * | 2001-02-02 | 2006-08-29 | Oyster Optics, Inc. | Telecommunications card for secure optical data transmission and installation method |
US20020131106A1 (en) | 2001-03-16 | 2002-09-19 | Peter Snawerdt | Secure wave-division multiplexing telecommunications system and method |
US6587256B2 (en) * | 2001-06-06 | 2003-07-01 | Northrop Grumman Corporation | RF combiner based on cascaded optical phase modulation |
WO2003007024A2 (en) * | 2001-07-09 | 2003-01-23 | Oyster Optics, Inc. | Fiber optic telecommunications card with security detection |
JP2003060575A (ja) * | 2001-08-20 | 2003-02-28 | Japan Telecom Co Ltd | 光通信システム及びその受信側制御方法 |
US6972842B2 (en) * | 2003-08-25 | 2005-12-06 | Lucent Technologies Inc. | Monitoring alignment between pulse carvers and phase modulators in optical systems |
KR100546376B1 (ko) * | 2003-09-05 | 2006-01-26 | 삼성전자주식회사 | 반도체 광 증폭기의 xpm 현상을 이용한 마하 젠더간섭계형 파장 변환기에서 최대 소광비를 출력하는 위상최적화 장치 및 방법 |
US7266311B2 (en) | 2004-09-29 | 2007-09-04 | Lucent Technologies Inc. | Control of delay line interferometer |
DE602004009799T2 (de) * | 2004-09-29 | 2008-08-28 | Lucent Technologies Network Systems Gmbh | Kontrolle eines Verzögerungsleitungs-Interferometers |
JP4660725B2 (ja) * | 2005-07-06 | 2011-03-30 | 独立行政法人情報通信研究機構 | データ伝送方法、データ伝送システム、データ受信方法及び光受信装置 |
CN1893324A (zh) * | 2005-07-08 | 2007-01-10 | 富士通株式会社 | 光dqpsk接收机的相位监测装置、相位控制装置及其方法 |
DE102005041368A1 (de) * | 2005-08-31 | 2007-03-01 | Siemens Ag | Verfahren und Anordnung zur Demodulation eines optischen DPSK Binärsignals |
US7856184B2 (en) * | 2006-08-28 | 2010-12-21 | University Of Central Florida Research Foundation, Inc. | Systems and methods for adaptive interference cancellation |
JP5092827B2 (ja) * | 2007-03-29 | 2012-12-05 | 富士通株式会社 | 光dqpsk受信器及び、異常検出制御方法 |
US8103178B2 (en) * | 2008-04-18 | 2012-01-24 | The United States Of America As Represented By The Secretary Of The Navy | Linearized phase modulated analog optical links |
JP2011114852A (ja) * | 2009-11-30 | 2011-06-09 | Nippon Telegr & Teleph Corp <Ntt> | 光受信器及び光ファイバ伝送システム |
JP2013258558A (ja) * | 2012-06-12 | 2013-12-26 | Nippon Telegr & Teleph Corp <Ntt> | 光受信機および光受信方法 |
DE102017210375A1 (de) | 2017-06-21 | 2018-12-27 | Sicoya Gmbh | Optoelektronisches Bauelement mit optischem Dämpfungsglied |
US11101894B2 (en) | 2019-10-24 | 2021-08-24 | Raytheon Company | Multiband photonic integrated circuit (PIC) I and Q demodulator |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4769853A (en) * | 1985-06-27 | 1988-09-06 | Trw Inc. | High dynamic range fiber optical link |
US4882775A (en) * | 1988-07-22 | 1989-11-21 | The Boeing Company | Demodulation technique for coherence multiplexed optical data transmission system |
GB2257319B (en) * | 1991-06-27 | 1995-01-18 | Northern Telecom Ltd | Direct demodulation of optical binary fsk signals |
US5319438A (en) * | 1992-01-24 | 1994-06-07 | Board Of Regents, The University Of Texas System | Interferometric, self-homodyne optical receiver and method and optical transmission system incorporating same |
US5249243A (en) * | 1992-05-21 | 1993-09-28 | Siemens Components, Inc. | Apparatus and method for cascade coupled integrated optical phase modulator for linearization of signal transfer |
US5359412A (en) * | 1992-10-20 | 1994-10-25 | Massachusetts Institute Of Technology | Optical frequency discriminator using two mach-zehnder interferometer arrangement |
US5373389A (en) * | 1992-10-27 | 1994-12-13 | General Instrument Corporation | Method for linearizing an unbalanced Mach Zehnder optical frequency discriminator |
US5402259A (en) | 1993-04-23 | 1995-03-28 | Trw Inc. | Linear electroabsorptive modulator and related method of analog modulation of an optical carrier |
US5781327A (en) * | 1996-08-19 | 1998-07-14 | Trw Inc. | Optically efficient high dynamic range electro-optic modulator |
-
1999
- 1999-05-28 US US09/322,288 patent/US6201632B1/en not_active Expired - Lifetime
-
2000
- 2000-05-25 DE DE60038651T patent/DE60038651T2/de not_active Expired - Lifetime
- 2000-05-25 EP EP00110951A patent/EP1056230B1/de not_active Expired - Lifetime
- 2000-05-26 JP JP2000155765A patent/JP3524038B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US6201632B1 (en) | 2001-03-13 |
JP2001024593A (ja) | 2001-01-26 |
DE60038651T2 (de) | 2009-06-18 |
EP1056230A3 (de) | 2003-11-05 |
EP1056230B1 (de) | 2008-04-23 |
JP3524038B2 (ja) | 2004-04-26 |
EP1056230A2 (de) | 2000-11-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
R082 | Change of representative |
Ref document number: 1056230 Country of ref document: EP Representative=s name: WUESTHOFF & WUESTHOFF PATENT- UND RECHTSANWAEL, DE |
|
R081 | Change of applicant/patentee |
Ref document number: 1056230 Country of ref document: EP Owner name: NORTHROP GRUMMAN SYSTEMS CORPORATION, US Free format text: FORMER OWNER: NORTHROP GRUMMAN CORP., LOS ANGELES, US Effective date: 20120814 |
|
R082 | Change of representative |
Ref document number: 1056230 Country of ref document: EP Representative=s name: WUESTHOFF & WUESTHOFF PATENT- UND RECHTSANWAEL, DE Effective date: 20120814 |