DE3787400T2 - Optische Überlagerungsmischer mit Einzelfotodiode. - Google Patents

Optische Überlagerungsmischer mit Einzelfotodiode.

Info

Publication number
DE3787400T2
DE3787400T2 DE87303851T DE3787400T DE3787400T2 DE 3787400 T2 DE3787400 T2 DE 3787400T2 DE 87303851 T DE87303851 T DE 87303851T DE 3787400 T DE3787400 T DE 3787400T DE 3787400 T2 DE3787400 T2 DE 3787400T2
Authority
DE
Germany
Prior art keywords
single photodiode
optical overlay
overlay mixer
mixer
optical
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 - Fee Related
Application number
DE87303851T
Other languages
English (en)
Other versions
DE3787400D1 (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.)
Filing date
Publication date
Application filed by American Telephone and Telegraph Co Inc filed Critical American Telephone and Telegraph Co Inc
Application granted granted Critical
Publication of DE3787400D1 publication Critical patent/DE3787400D1/de
Publication of DE3787400T2 publication Critical patent/DE3787400T2/de
Anticipated expiration legal-status Critical
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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J9/00—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength
    • G01J9/04—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength by beating two waves of a same source but of different frequency and measuring the phase shift of the lower frequency obtained
    • 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 [IF] is obtained

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Communication System (AREA)
DE87303851T 1986-05-08 1987-04-30 Optische Überlagerungsmischer mit Einzelfotodiode. Expired - Fee Related DE3787400T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/860,822 US4697284A (en) 1986-05-08 1986-05-08 Single-photodiode optical heterodyne mixers

Publications (2)

Publication Number Publication Date
DE3787400D1 DE3787400D1 (de) 1993-10-21
DE3787400T2 true DE3787400T2 (de) 1994-04-21

Family

ID=25334107

Family Applications (1)

Application Number Title Priority Date Filing Date
DE87303851T Expired - Fee Related DE3787400T2 (de) 1986-05-08 1987-04-30 Optische Überlagerungsmischer mit Einzelfotodiode.

Country Status (5)

Country Link
US (1) US4697284A (de)
EP (1) EP0246004B1 (de)
JP (1) JP2648145B2 (de)
CA (1) CA1280818C (de)
DE (1) DE3787400T2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4723317A (en) * 1986-05-08 1988-02-02 American Telephone And Telegraph Company, At&T Bell Laboratories Optical heterodyne mixers providing image-frequency rejection
US4723316A (en) * 1986-05-08 1988-02-02 American Telephone & Telegraph Company, At&T Bell Laboratories Polarization independent coherent optical heterodyne receivers
US5477369A (en) * 1987-04-20 1995-12-19 U.S. Philips Corporation Device for optical heterodyne or homodyne detection of an optical signal beam and receiver provided with such a device
GB2245117B (en) * 1990-06-14 1994-04-06 Stc Plc Optical mixing for heterodyne detection
NL9100292A (nl) * 1991-02-19 1992-09-16 Nederland Ptt Optisch zend- en ontvangsysteem met optische circulator.
NL9201130A (nl) * 1992-06-25 1994-01-17 Nederland Ptt Optische menginrichting met een fotodetector voor een heterodyne ontvanger.
JP3012439B2 (ja) * 1992-12-28 2000-02-21 シャープ株式会社 光ヘテロダイン検波方式および検波装置
JP3672202B2 (ja) * 1993-09-08 2005-07-20 シャープ株式会社 空間光伝送装置及び空間光伝送方法
DE59912543D1 (de) * 1998-07-10 2005-10-20 Eads Deutschland Gmbh Empfangseinrichtung für eine optische HF-Signalübertragungsstrecke
WO2003032530A1 (en) * 2001-10-11 2003-04-17 Axonlink (Bvi) Corporation Optical communication apparatus and system
EP1453234A3 (de) * 2003-02-27 2006-05-17 ECI Telecom Ltd. Vorrichtung und Verfahren zur optischen Kommunikation
GB2449647B (en) * 2007-05-29 2010-01-13 Fortium Technologies Ltd Optical discs
JP5812110B2 (ja) * 2011-12-15 2015-11-11 日本電気株式会社 光受信器及び光受信器の制御方法
US10979530B2 (en) 2017-03-03 2021-04-13 LGS Innovations LLC Methods and apparatuses for batch radio resource command and control
US10958351B2 (en) * 2019-02-21 2021-03-23 CACI, Inc.—Federal Mitigation of atmospheric scintillation for communication

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB972032A (en) * 1962-10-12 1964-10-07 Standard Telephones Cables Ltd Modulated light transmission
US3215840A (en) * 1962-11-23 1965-11-02 Gen Telephone & Elect Image rejecting optical superheterodyne receiver
US3636356A (en) * 1968-12-27 1972-01-18 Bell Telephone Labor Inc Apparatus and method for eliminating frequency modulation from modulated light
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
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
JPS6057824A (ja) * 1983-09-10 1985-04-03 Fujitsu Ltd ヘテロダイン光通信方式
US4723316A (en) * 1986-05-08 1988-02-02 American Telephone & Telegraph Company, At&T Bell Laboratories Polarization independent coherent optical heterodyne receivers
US4723317A (en) * 1986-05-08 1988-02-02 American Telephone And Telegraph Company, At&T Bell Laboratories Optical heterodyne mixers providing image-frequency rejection

Also Published As

Publication number Publication date
EP0246004A3 (en) 1989-06-07
EP0246004A2 (de) 1987-11-19
JPS62272232A (ja) 1987-11-26
CA1280818C (en) 1991-02-26
EP0246004B1 (de) 1993-09-15
JP2648145B2 (ja) 1997-08-27
US4697284A (en) 1987-09-29
DE3787400D1 (de) 1993-10-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: BLUMBACH, KRAMER & PARTNER, 65193 WIESBADEN

8339 Ceased/non-payment of the annual fee