JPS6114697B2 - - Google Patents

Info

Publication number
JPS6114697B2
JPS6114697B2 JP55151810A JP15181080A JPS6114697B2 JP S6114697 B2 JPS6114697 B2 JP S6114697B2 JP 55151810 A JP55151810 A JP 55151810A JP 15181080 A JP15181080 A JP 15181080A JP S6114697 B2 JPS6114697 B2 JP S6114697B2
Authority
JP
Japan
Prior art keywords
circuit
agc
optical
pilot signal
signal
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
Application number
JP55151810A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5775042A (en
Inventor
Akimasa Yamazaki
Yoichiro Enami
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
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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP55151810A priority Critical patent/JPS5775042A/ja
Publication of JPS5775042A publication Critical patent/JPS5775042A/ja
Publication of JPS6114697B2 publication Critical patent/JPS6114697B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/60Receivers
    • H04B10/66Non-coherent receivers, e.g. using direct detection
    • H04B10/69Electrical arrangements in the receiver
    • H04B10/691Arrangements for optimizing the photodetector in the receiver
    • H04B10/6911Photodiode bias control, e.g. for compensating temperature variations

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Optical Communication System (AREA)
JP55151810A 1980-10-29 1980-10-29 Optical communication system Granted JPS5775042A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55151810A JPS5775042A (en) 1980-10-29 1980-10-29 Optical communication system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55151810A JPS5775042A (en) 1980-10-29 1980-10-29 Optical communication system

Publications (2)

Publication Number Publication Date
JPS5775042A JPS5775042A (en) 1982-05-11
JPS6114697B2 true JPS6114697B2 (enrdf_load_stackoverflow) 1986-04-19

Family

ID=15526799

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55151810A Granted JPS5775042A (en) 1980-10-29 1980-10-29 Optical communication system

Country Status (1)

Country Link
JP (1) JPS5775042A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6084034A (ja) * 1983-06-02 1985-05-13 Nec Corp 光agc方式
JPS62116029A (ja) * 1985-11-15 1987-05-27 Fujitsu Ltd 光信号断検出方式
US7630631B2 (en) * 2004-04-14 2009-12-08 Finisar Corporation Out-of-band data communication between network transceivers

Also Published As

Publication number Publication date
JPS5775042A (en) 1982-05-11

Similar Documents

Publication Publication Date Title
JP2687933B2 (ja) 光直接増幅器
US5282074A (en) Optical amplification repeating system
JPH07112173B2 (ja) 光変調回路
US5563731A (en) Monitor control signal receiving apparatus for optical fiber amplifier
JP2963103B2 (ja) 光信号の増幅装置
US8867124B2 (en) Relay station and method for adjusting output optical signals of the relay station
KR100610585B1 (ko) 광학적으로 증폭된 백업 수신기
CN110730040B (zh) 一种支持宽动态接收光功率范围的低速通信方法及光模块
US6373610B1 (en) Optical surge suppressing apparatus
US5995276A (en) Wavelength-division-multiplexing optical amplifier device and wavelength-division-multiplexing optical transmission system
CN208424372U (zh) 一种用于高速远距离传输的光收发一体组件
JPS6114697B2 (enrdf_load_stackoverflow)
CN105807534B (zh) 工作模式可选的智能化半导体光纤放大器
JP2793469B2 (ja) 光直接増幅器の監視制御信号受信方式
JP2560881B2 (ja) 光再生中継器
JP2904101B2 (ja) 雑音除去機能付き光増幅装置
JPH04181210A (ja) 光増幅器の監視制御方式
JP3536974B2 (ja) 光受信器の入力信号異常検出システム及び方法
JPS59215136A (ja) 半導体レ−ザの雑音レベル監視装置
JPS58215139A (ja) 発光素子のアナログ変調歪レベル監視装置
JP2000151511A (ja) 光伝送システム
KR100683006B1 (ko) 광학적 제한 증폭을 이용한 초고속 광수신 장치
JP2865067B2 (ja) 光送信方法および光送信装置
JPS5850811A (ja) Agc回路
JPH048023A (ja) 監視・制御信号の自動利得制御方式