JPS5913434A - 光ヘテロダイン検波方法 - Google Patents

光ヘテロダイン検波方法

Info

Publication number
JPS5913434A
JPS5913434A JP57122712A JP12271282A JPS5913434A JP S5913434 A JPS5913434 A JP S5913434A JP 57122712 A JP57122712 A JP 57122712A JP 12271282 A JP12271282 A JP 12271282A JP S5913434 A JPS5913434 A JP S5913434A
Authority
JP
Japan
Prior art keywords
light
signal
local oscillation
optical
signals
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
JP57122712A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0418493B2 (cg-RX-API-DMAC7.html
Inventor
Teiji Uchida
内田　禎二
Minoru Shikada
鹿田　實
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP57122712A priority Critical patent/JPS5913434A/ja
Publication of JPS5913434A publication Critical patent/JPS5913434A/ja
Publication of JPH0418493B2 publication Critical patent/JPH0418493B2/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
    • H04B10/60—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)
  • Optical Communication System (AREA)
JP57122712A 1982-07-14 1982-07-14 光ヘテロダイン検波方法 Granted JPS5913434A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57122712A JPS5913434A (ja) 1982-07-14 1982-07-14 光ヘテロダイン検波方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57122712A JPS5913434A (ja) 1982-07-14 1982-07-14 光ヘテロダイン検波方法

Publications (2)

Publication Number Publication Date
JPS5913434A true JPS5913434A (ja) 1984-01-24
JPH0418493B2 JPH0418493B2 (cg-RX-API-DMAC7.html) 1992-03-27

Family

ID=14842731

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57122712A Granted JPS5913434A (ja) 1982-07-14 1982-07-14 光ヘテロダイン検波方法

Country Status (1)

Country Link
JP (1) JPS5913434A (cg-RX-API-DMAC7.html)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6145439A (ja) * 1984-08-08 1986-03-05 Canon Inc 光信号読取り法および装置
JPS63224427A (ja) * 1987-03-13 1988-09-19 Hitachi Ltd 偏波ダイバシテイ光受信方法及びその装置
US4817206A (en) * 1986-04-10 1989-03-28 Cselt- Centro Studi E Laboratori Telecomunicazioni S.P.A. Optical-fiber transmission system with polarization modulation and heterodyne coherent detection
US5142402A (en) * 1988-12-16 1992-08-25 Hitachi, Ltd. Polarization diversity optical receiving apparatus and method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4970504A (cg-RX-API-DMAC7.html) * 1972-11-10 1974-07-08
JPS56150734A (en) * 1980-04-23 1981-11-21 Nippon Telegr & Teleph Corp <Ntt> Heterodyne receiver for optical communication using semiconductor laser
JPS56150731A (en) * 1980-04-23 1981-11-21 Nippon Telegr & Teleph Corp <Ntt> Optical polarization matching and combining device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4970504A (cg-RX-API-DMAC7.html) * 1972-11-10 1974-07-08
JPS56150734A (en) * 1980-04-23 1981-11-21 Nippon Telegr & Teleph Corp <Ntt> Heterodyne receiver for optical communication using semiconductor laser
JPS56150731A (en) * 1980-04-23 1981-11-21 Nippon Telegr & Teleph Corp <Ntt> Optical polarization matching and combining device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6145439A (ja) * 1984-08-08 1986-03-05 Canon Inc 光信号読取り法および装置
US4817206A (en) * 1986-04-10 1989-03-28 Cselt- Centro Studi E Laboratori Telecomunicazioni S.P.A. Optical-fiber transmission system with polarization modulation and heterodyne coherent detection
JPS63224427A (ja) * 1987-03-13 1988-09-19 Hitachi Ltd 偏波ダイバシテイ光受信方法及びその装置
US5142402A (en) * 1988-12-16 1992-08-25 Hitachi, Ltd. Polarization diversity optical receiving apparatus and method

Also Published As

Publication number Publication date
JPH0418493B2 (cg-RX-API-DMAC7.html) 1992-03-27

Similar Documents

Publication Publication Date Title
EP0251062B1 (en) Dual balanced optical signal receiver
JP2786188B2 (ja) 光ヘテロダイン受信機
JPS62272234A (ja) 光ヘテロダイン・ミキサ
US5721637A (en) Wavelength converter apparatus
US5140453A (en) Optical receiving method utilizing polarization diversity and apparatus for carrying out the same
JPS59122140A (ja) 光ヘテロダイン検波装置
JPS5913434A (ja) 光ヘテロダイン検波方法
EP0260745A1 (en) Device for optical heterodyne detection of an optical signal beam and optical transmission system provided with such a device
JP3443810B2 (ja) 偏光制御回路
JPS60242435A (ja) 偏波ダイバ−シテイ光受信装置
JPH05158096A (ja) コヒーレント光波通信用光受信機
US5293264A (en) Transmission system for the polarization-insensitive transmission of signals
JPS58149025A (ja) 光ヘテロダイン・ホモダイン検波装置
US6856642B2 (en) Laser resonator with direction sensitive decoupling
JPH01108534A (ja) 光信号ビームの光学式ヘテロダイン又はホモダイン検出装置
JPS61189516A (ja) 光偏波軸固定装置
JPS6221128A (ja) 光ヘテロダイン検波装置
JPH02100531A (ja) 光受信回路
JPH02311829A (ja) 偏光分離結合器
JP3794730B2 (ja) 半導体レーザダイオードモジュールにおける出力光波長の制御方法
JPH02201324A (ja) 偏波ダイバーシチ光受信装置
JP5542546B2 (ja) 偏波多重差動位相変調光伝送システムにおける受信装置
JP2754949B2 (ja) 光ヘテロダイン受信用局部発振光源
JPH06130257A (ja) 双方向光送受信モジュール
JPH0651243A (ja) デポラライザ