JPS6352528A - 周波数トラッキング方式 - Google Patents

周波数トラッキング方式

Info

Publication number
JPS6352528A
JPS6352528A JP61196889A JP19688986A JPS6352528A JP S6352528 A JPS6352528 A JP S6352528A JP 61196889 A JP61196889 A JP 61196889A JP 19688986 A JP19688986 A JP 19688986A JP S6352528 A JPS6352528 A JP S6352528A
Authority
JP
Japan
Prior art keywords
frequency
light
reference light
frequency reference
light source
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.)
Granted
Application number
JP61196889A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0476543B2 (enExample
Inventor
Terumi Chikama
輝美 近間
Tetsuya Kiyonaga
哲也 清永
Chiaki Osawa
千晶 大沢
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP61196889A priority Critical patent/JPS6352528A/ja
Publication of JPS6352528A publication Critical patent/JPS6352528A/ja
Publication of JPH0476543B2 publication Critical patent/JPH0476543B2/ja
Granted 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
    • H04B10/50—Transmitters
    • 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
    • H04B10/50—Transmitters
    • H04B10/572—Wavelength control

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
JP61196889A 1986-08-22 1986-08-22 周波数トラッキング方式 Granted JPS6352528A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP61196889A JPS6352528A (ja) 1986-08-22 1986-08-22 周波数トラッキング方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61196889A JPS6352528A (ja) 1986-08-22 1986-08-22 周波数トラッキング方式

Publications (2)

Publication Number Publication Date
JPS6352528A true JPS6352528A (ja) 1988-03-05
JPH0476543B2 JPH0476543B2 (enExample) 1992-12-03

Family

ID=16365333

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61196889A Granted JPS6352528A (ja) 1986-08-22 1986-08-22 周波数トラッキング方式

Country Status (1)

Country Link
JP (1) JPS6352528A (enExample)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02228831A (ja) * 1989-03-02 1990-09-11 Canon Inc 端局
JPH0359548A (ja) * 1989-07-28 1991-03-14 Hitachi Ltd 光チューニング方法及び光チューニング装置並びに光周波数多重伝送装置
JPH05160791A (ja) * 1991-12-09 1993-06-25 Hitachi Ltd 光周波数安定化方式
EP0582998A1 (en) * 1992-08-10 1994-02-16 Sharp Kabushiki Kaisha System for transmitting a beam in the air

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54114005A (en) * 1978-02-24 1979-09-05 Nippon Telegr & Teleph Corp <Ntt> Optical communication system
JPS595757A (ja) * 1982-07-01 1984-01-12 Nippon Telegr & Teleph Corp <Ntt> 光コヒ−レント伝送方法
JPS59126338A (ja) * 1983-01-06 1984-07-20 Nec Corp 光ヘテロダイン検波装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54114005A (en) * 1978-02-24 1979-09-05 Nippon Telegr & Teleph Corp <Ntt> Optical communication system
JPS595757A (ja) * 1982-07-01 1984-01-12 Nippon Telegr & Teleph Corp <Ntt> 光コヒ−レント伝送方法
JPS59126338A (ja) * 1983-01-06 1984-07-20 Nec Corp 光ヘテロダイン検波装置

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02228831A (ja) * 1989-03-02 1990-09-11 Canon Inc 端局
JPH0359548A (ja) * 1989-07-28 1991-03-14 Hitachi Ltd 光チューニング方法及び光チューニング装置並びに光周波数多重伝送装置
JPH05160791A (ja) * 1991-12-09 1993-06-25 Hitachi Ltd 光周波数安定化方式
EP0582998A1 (en) * 1992-08-10 1994-02-16 Sharp Kabushiki Kaisha System for transmitting a beam in the air
US5457561A (en) * 1992-08-10 1995-10-10 Sharp Kabushiki Kaisha System for transmitting a beam in the air

Also Published As

Publication number Publication date
JPH0476543B2 (enExample) 1992-12-03

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