DE68916576D1 - Vorrichtung zur Messung der Kennzeichen der optischen Frequenzmodulation. - Google Patents

Vorrichtung zur Messung der Kennzeichen der optischen Frequenzmodulation.

Info

Publication number
DE68916576D1
DE68916576D1 DE68916576T DE68916576T DE68916576D1 DE 68916576 D1 DE68916576 D1 DE 68916576D1 DE 68916576 T DE68916576 T DE 68916576T DE 68916576 T DE68916576 T DE 68916576T DE 68916576 D1 DE68916576 D1 DE 68916576D1
Authority
DE
Germany
Prior art keywords
measuring
frequency modulation
optical frequency
optical
modulation
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
Application number
DE68916576T
Other languages
English (en)
Other versions
DE68916576T2 (de
Inventor
Katsushi Iwashita
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Application granted granted Critical
Publication of DE68916576D1 publication Critical patent/DE68916576D1/de
Publication of DE68916576T2 publication Critical patent/DE68916576T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04B10/66—Non-coherent receivers, e.g. using direct detection
    • H04B10/69—Electrical arrangements in the receiver
    • 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
    • G01J9/02—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength by interferometric methods
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2/00—Demodulating light; Transferring the modulation of modulated light; Frequency-changing of light
    • 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
    • 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
    • G01J9/02—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength by interferometric methods
    • G01J2009/0226—Fibres

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)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • Optical Communication System (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
  • Spectrometry And Color Measurement (AREA)
DE68916576T 1988-04-14 1989-04-14 Vorrichtung zur Messung der Kennzeichen der optischen Frequenzmodulation. Expired - Lifetime DE68916576T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9278388 1988-04-14

Publications (2)

Publication Number Publication Date
DE68916576D1 true DE68916576D1 (de) 1994-08-11
DE68916576T2 DE68916576T2 (de) 1995-02-16

Family

ID=14064018

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68916576T Expired - Lifetime DE68916576T2 (de) 1988-04-14 1989-04-14 Vorrichtung zur Messung der Kennzeichen der optischen Frequenzmodulation.

Country Status (3)

Country Link
US (1) US4979825A (de)
EP (1) EP0337796B1 (de)
DE (1) DE68916576T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0473873A1 (de) * 1990-08-30 1992-03-11 Landis & Gyr Business Support AG Vorrichtung zum Empfang wellenlängen-modulierter Lichtsignale
DE19755402C2 (de) * 1997-12-12 1999-11-11 Litef Gmbh Wellenlängenmeßeinrichtung mit mittelwertfrei angesteuertem Mach-Zehnder-Interferometer
GB9820493D0 (en) 1998-09-22 1998-11-11 Secr Defence Optical phase detector
GB2385144B (en) * 2002-01-23 2006-02-08 Marconi Optical Components Ltd Optical signal demodulators
KR100701101B1 (ko) * 2004-12-20 2007-03-28 한국전자통신연구원 광 간섭계 제어 장치 및 그 방법
JP6115566B2 (ja) * 2012-03-30 2017-04-19 日本電気株式会社 導波路結合ｍｓｍ型フォトダイオード

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3508060A (en) * 1965-01-14 1970-04-21 Westinghouse Electric Corp Light frequency receiver
SE447601B (sv) * 1985-04-04 1986-11-24 Ericsson Telefon Ab L M Fiberoptisk interferometer
JPS61296223A (ja) * 1985-06-24 1986-12-27 Nippon Telegr & Teleph Corp <Ntt> 光周波数計

Also Published As

Publication number Publication date
EP0337796B1 (de) 1994-07-06
DE68916576T2 (de) 1995-02-16
EP0337796A2 (de) 1989-10-18
US4979825A (en) 1990-12-25
EP0337796A3 (de) 1991-04-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition