DE3785081T2 - Polarisationsunabhaengige kohaerente optische ueberlagerungsempfaenger. - Google Patents

Polarisationsunabhaengige kohaerente optische ueberlagerungsempfaenger.

Info

Publication number: DE3785081T2
Authority: DE; Germany
Prior art keywords: polarization; coherent optical; optical overlay; independent coherent; receivers
Prior art date: 1986-05-08
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 - Fee Related

Application number

DE8787303852T

Other languages

English (en)

Other versions

DE3785081D1 (de

Inventor

Bernard Glance

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

AT&T Corp

Original Assignee

American Telephone and Telegraph Co Inc

Priority date (The priority date 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 date listed.)

1986-05-08

Filing date

1987-04-30

Publication date

1993-07-08

1987-04-30 Application filed by American Telephone and Telegraph Co Inc filed Critical American Telephone and Telegraph Co Inc

1993-05-06 Application granted granted Critical

1993-05-06 Publication of DE3785081D1 publication Critical patent/DE3785081D1/de

1993-07-08 Publication of DE3785081T2 publication Critical patent/DE3785081T2/de

2007-05-01 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

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
- H04B10/61—Coherent receivers
- 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
- H04B10/61—Coherent receivers
- H04B10/614—Coherent receivers comprising one or more polarization beam splitters, e.g. polarization multiplexed [PolMux] X-PSK coherent receivers, polarization diversity heterodyne coherent receivers
- 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
- H04B10/61—Coherent receivers
- H04B10/64—Heterodyne, i.e. coherent receivers where, after the opto-electronic conversion, an electrical signal at an intermediate frequency [fIF] is obtained

DE8787303852T 1986-05-08 1987-04-30 Polarisationsunabhaengige kohaerente optische ueberlagerungsempfaenger. Expired - Fee Related DE3785081T2 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US06/860,823 US4723316A (en)	1986-05-08	1986-05-08	Polarization independent coherent optical heterodyne receivers

Publications (2)

Publication Number	Publication Date
DE3785081D1 DE3785081D1 (de)	1993-05-06
DE3785081T2 true DE3785081T2 (de)	1993-07-08

Family

ID=25334109

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE8787303852T Expired - Fee Related DE3785081T2 (de)	1986-05-08	1987-04-30	Polarisationsunabhaengige kohaerente optische ueberlagerungsempfaenger.

Country Status (5)

Country	Link
US (1)	US4723316A (de)
EP (1)	EP0247738B1 (de)
JP (1)	JP2786188B2 (de)
CA (1)	CA1255755A (de)
DE (1)	DE3785081T2 (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4697284A (en) *	1986-05-08	1987-09-29	American Telephone And Telegraph Company, At&T Bell Laboratories	Single-photodiode optical heterodyne mixers
US4723317A (en) *	1986-05-08	1988-02-02	American Telephone And Telegraph Company, At&T Bell Laboratories	Optical heterodyne mixers providing image-frequency rejection
CA1308440C (en) *	1987-03-13	1992-10-06	Hideaki Tsushima	Optical receiving method utilizing polarization diversity and apparatus for carrying out the same
JPH02162330A (ja) *	1988-12-16	1990-06-21	Hitachi Ltd	偏波ダイバシティ光受信方法とその装置および中間周波数安定化方法
US5060311A (en) *	1989-06-06	1991-10-22	Siemens Aktiengesellschaft	Method and apparatus for obtaining phase or polarization insensitive optical heterodyne reception for dpsk or ask-modulated transmission signal
US5115332A (en) *	1989-07-20	1992-05-19	Fujitsu Limited	Receiver for coherent optical communication
US4989212A (en) *	1990-04-09	1991-01-29	Trw, Inc.	Laser diode phase modulation technique
US5027436A (en) *	1990-04-27	1991-06-25	At&T Bell Laboratories	Optical hybrid for coherent detection systems
GB2256761A (en) *	1991-06-14	1992-12-16	Northern Telecom Ltd	Fsk direct detection transmission system.
EP0556960A3 (en) *	1992-02-20	1995-02-01	Optical Metrology Ltd	Measurement apparatus using heterodyne phase conversion techniques
GB2264834A (en) *	1992-02-25	1993-09-08	Northern Telecom Ltd	Optical transmission system
NL9201130A (nl) *	1992-06-25	1994-01-17	Nederland Ptt	Optische menginrichting met een fotodetector voor een heterodyne ontvanger.
US5574553A (en) *	1994-12-27	1996-11-12	The United States Of America As Represented By The Secretary Of The Air Force	Ladar receiver incorporating an optical amplifier and polarization optical mixer
US6407848B1 (en)	2000-12-27	2002-06-18	All Optical Networks, Inc.	Servo-stabilized-phase, differential coherence detector
US6473222B2 (en)	2000-12-27	2002-10-29	John N. Hait	Hyper-heterodyning, expanded bandpass apparatus and method
DE102004006584B4 (de) *	2004-02-10	2006-07-06	T-Mobile Deutschland Gmbh	Verfahren und Vorrichtung zum Betrieb von MIMO-Luftschnittstellen bei Mobilkommunikationssystemen
US7532822B2 (en) *	2005-02-28	2009-05-12	Nortel Networks Limited	Clock recovery from an optical signal with polarization impairments
US7555227B2 (en) *	2005-10-21	2009-06-30	Nortel Networks Limited	Polarization compensation in a coherent optical receiver
US7522841B2 (en) *	2005-10-21	2009-04-21	Nortel Networks Limited	Efficient data transmission and training of data processing functions
US7606498B1 (en)	2005-10-21	2009-10-20	Nortel Networks Limited	Carrier recovery in a coherent optical receiver
US7809284B2 (en) *	2006-06-23	2010-10-05	Alcatel-Lucent Usa Inc.	System and method for receiving coherent, polarization-multiplexed optical signals
JP5737874B2 (ja) *	2010-07-06	2015-06-17	日本オクラロ株式会社	復調器及び光送受信機
US9002150B2 (en)	2012-05-08	2015-04-07	General Dynamics Advanced Information Systems, Inc.	Optical sensing system and method
US8855449B1 (en)	2013-08-13	2014-10-07	Aurrion, Inc.	Adiabatic waveguide polarization converter
CN113438030B (zh) *	2021-06-24	2022-06-03	中国舰船研究设计中心	一种偏振不敏感的光子辅助毫米波相干接收装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3215840A (en) *	1962-11-23	1965-11-02	Gen Telephone & Elect	Image rejecting optical superheterodyne receiver
US3975628A (en) *	1975-04-02	1976-08-17	Hughes Aircraft Company	Optical heterodyne receiver with phase or frequency lock
US3970838A (en) *	1975-08-29	1976-07-20	Hughes Aircraft Company	Dual channel phase locked optical homodyne receiver
FR2517081A1 (fr) *	1981-11-26	1983-05-27	Monerie Michel	Procede de detection coherente et de demodulation d'une onde porteuse modulee a etat de polarisation variable et dispositif de mise en oeuvre
JPS58149025A (ja) *	1982-03-02	1983-09-05	Nec Corp	光ヘテロダイン・ホモダイン検波装置
JPS59122140A (ja) *	1982-12-28	1984-07-14	Nec Corp	光ヘテロダイン検波装置
JPH0618348B2 (ja) *	1984-02-06	1994-03-09	日本電信電話株式会社	光受信回路制御装置
JPS60242435A (ja) *	1984-05-17	1985-12-02	Nec Corp	偏波ダイバ−シテイ光受信装置
US4723317A (en) *	1986-05-08	1988-02-02	American Telephone And Telegraph Company, At&T Bell Laboratories	Optical heterodyne mixers providing image-frequency rejection
US4697284A (en) *	1986-05-08	1987-09-29	American Telephone And Telegraph Company, At&T Bell Laboratories	Single-photodiode optical heterodyne mixers

1986
- 1986-05-08 US US06/860,823 patent/US4723316A/en not_active Expired - Lifetime
1987
- 1987-04-29 CA CA000535970A patent/CA1255755A/en not_active Expired
- 1987-04-30 DE DE8787303852T patent/DE3785081T2/de not_active Expired - Fee Related
- 1987-04-30 EP EP87303852A patent/EP0247738B1/de not_active Expired - Lifetime
- 1987-05-08 JP JP62110930A patent/JP2786188B2/ja not_active Expired - Lifetime

Also Published As

Publication number	Publication date
CA1255755A (en)	1989-06-13
EP0247738A3 (en)	1989-06-07
JPS62272233A (ja)	1987-11-26
EP0247738A2 (de)	1987-12-02
US4723316A (en)	1988-02-02
EP0247738B1 (de)	1993-03-31
JP2786188B2 (ja)	1998-08-13
DE3785081D1 (de)	1993-05-06

Legal Events

Date	Code	Title	Description
1994-04-28	8364	No opposition during term of opposition
1995-07-20	8328	Change in the person/name/address of the agent	Free format text: BLUMBACH, KRAMER & PARTNER, 65193 WIESBADEN
2003-02-13	8339	Ceased/non-payment of the annual fee

Publication	Publication Date	Title
DE3785081D1 (de)	1993-05-06	Polarisationsunabhaengige kohaerente optische ueberlagerungsempfaenger.
DE3681473D1 (de)	1991-10-24	Kohaerenter optischer gegentaktempfaenger.
DE3581759D1 (de)	1991-03-28	Optische karte.
DE3786377T2 (de)	1993-10-21	Optische Dünnschicht-Bauteile.
DE3782353T2 (de)	1993-04-08	Optische modulationsvorrichtung.
ES514133A0 (es)	1983-12-16	Perfeccionamientos en sistemas de comunicacion optica para diagrafias de sondeo.
DE3585749D1 (de)	1992-05-07	Optische monomodfiber.
DE3484642D1 (de)	1991-07-04	Optisches festkoerper-interferometer.
NO810101L (no)	1981-01-13	Optiske sleperinger.
DE3750006D1 (de)	1994-07-14	Optische Modulationsvorrichtung.
FI875790A (fi)	1988-07-01	Skyddade optiska blekmedel.
DE3578630D1 (de)	1990-08-16	Optische anordnung.
NL192171B (nl)	1996-10-01	Optische demultiplexer.
FI875517A0 (fi)	1987-12-16	Optiska blekningsmedel innehaollande pappersbestrykningsmassor.
DE3787400T2 (de)	1994-04-21	Optische Überlagerungsmischer mit Einzelfotodiode.
DE3773687D1 (de)	1991-11-21	Optischer wellenlaengenmultiplexer/-demultiplexer.
DE68913490D1 (de)	1994-04-07	Optischer Film.
NL186541C (nl)	1990-12-17	Optisch stelsel.
NL7809382A (nl)	1979-03-20	Optisch stelsel.
DE68921916D1 (de)	1995-05-04	Apochromatisches optisches System.
DE3785938D1 (de)	1993-07-01	Optisches system.
DE3750386D1 (de)	1994-09-22	Optischer Überlagerungsempfänger.
FI850682L (fi)	1985-10-05	Optiskt aktivt di-/3-klor-2-oxi -propyltrimetylammonium/tartrat.
DE3670392D1 (de)	1990-05-17	Optische abtasteinheit.
DE68912744T2 (de)	1994-05-11	Bifokales optisches System.