JPH0526175B2 - - Google Patents

Info

Publication number
JPH0526175B2
JPH0526175B2 JP59173107A JP17310784A JPH0526175B2 JP H0526175 B2 JPH0526175 B2 JP H0526175B2 JP 59173107 A JP59173107 A JP 59173107A JP 17310784 A JP17310784 A JP 17310784A JP H0526175 B2 JPH0526175 B2 JP H0526175B2
Authority
JP
Japan
Prior art keywords
semiconductor laser
signal
modulation
frequency
modulated
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
JP59173107A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6152634A (ja
Inventor
Ryoji Ooba
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.)
HOKKAIDO DAIGA KUCHYO
Original Assignee
HOKKAIDO DAIGA KUCHYO
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 HOKKAIDO DAIGA KUCHYO filed Critical HOKKAIDO DAIGA KUCHYO
Priority to JP59173107A priority Critical patent/JPS6152634A/ja
Priority to US06/763,923 priority patent/US4751477A/en
Priority to EP85401664A priority patent/EP0172775B1/en
Priority to DE8585401664T priority patent/DE3582907D1/de
Publication of JPS6152634A publication Critical patent/JPS6152634A/ja
Publication of JPH0526175B2 publication Critical patent/JPH0526175B2/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
    • H04B10/516—Details of coding or modulation
    • H04B10/548—Phase or frequency modulation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/105—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the mutual position or the reflecting properties of the reflectors of the cavity, e.g. by controlling the cavity length
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/0607—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying physical parameters other than the potential of the electrodes, e.g. by an electric or magnetic field, mechanical deformation, pressure, light, temperature
    • 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
    • H04B10/60—Receivers
    • H04B10/66—Non-coherent receivers, e.g. using direct detection
    • H04B10/69—Electrical arrangements in the receiver
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/062—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes
    • H01S5/06209—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes in single-section lasers
    • H01S5/0622—Controlling the frequency of the radiation

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optics & Photonics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Optical Communication System (AREA)
  • Semiconductor Lasers (AREA)
JP59173107A 1984-08-22 1984-08-22 半導体レ−ザ光変復調方式 Granted JPS6152634A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP59173107A JPS6152634A (ja) 1984-08-22 1984-08-22 半導体レ−ザ光変復調方式
US06/763,923 US4751477A (en) 1984-08-22 1985-08-08 Semiconductor laser light modulation and demodulation system
EP85401664A EP0172775B1 (en) 1984-08-22 1985-08-21 Semiconductor laser light modulation and demodulation system
DE8585401664T DE3582907D1 (de) 1984-08-22 1985-08-21 Modulation eines halbleiterlasers und demodulationssystem.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59173107A JPS6152634A (ja) 1984-08-22 1984-08-22 半導体レ−ザ光変復調方式

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP4308806A Division JP2664038B2 (ja) 1992-11-18 1992-11-18 半導体レーザ光変復調方式

Publications (2)

Publication Number Publication Date
JPS6152634A JPS6152634A (ja) 1986-03-15
JPH0526175B2 true JPH0526175B2 (en]) 1993-04-15

Family

ID=15954292

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59173107A Granted JPS6152634A (ja) 1984-08-22 1984-08-22 半導体レ−ザ光変復調方式

Country Status (4)

Country Link
US (1) US4751477A (en])
EP (1) EP0172775B1 (en])
JP (1) JPS6152634A (en])
DE (1) DE3582907D1 (en])

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5027435A (en) * 1987-07-15 1991-06-25 At&T Bell Laboratories Optical communication systems using Fabry-Perot cavities
JPH01121027U (en]) * 1988-02-10 1989-08-16
DE10126619A1 (de) * 2001-05-31 2002-09-05 Siemens Ag Vertikalresonator-Laserdiode (VCSEL)
CN107968683B (zh) * 2017-12-05 2023-07-28 无锡路通视信网络股份有限公司 一种激光器光发射功率的控制电路及控制方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3504302A (en) * 1964-09-24 1970-03-31 Gen Electric Frequency controlled semiconductor junction laser
US3503012A (en) * 1967-11-13 1970-03-24 Lockheed Aircraft Corp Optical differential interferometer discriminator for fm to am conversion
US3572935A (en) * 1968-10-09 1971-03-30 Nasa Fringe counter for interferometers
US3754142A (en) * 1971-03-01 1973-08-21 Us Navy High frequency lad line using low frequency detectors
US3815045A (en) * 1972-10-06 1974-06-04 Hitachi Ltd Method of and device for modulating directly a semiconductor laser
US4346999A (en) * 1980-09-29 1982-08-31 Rockwell International Corporation Digital heterodyne wavefront analyzer
CA1164950A (en) * 1981-05-27 1984-04-03 Garfield W. Mcmahon Frequency modulated laser diode
JPS5966183A (ja) * 1982-10-07 1984-04-14 Matsushita Electric Ind Co Ltd 周波数可変半導体レ−ザ
NO156724C (no) * 1983-07-08 1987-11-11 Elkem As Fremgangsmaate ved utvinning av kobberinnholdet i sulfidiske malmer og konsentrater.
US4594003A (en) * 1983-07-20 1986-06-10 Zygo Corporation Interferometric wavefront measurement
US4586184A (en) * 1983-10-21 1986-04-29 Chevron Research Company Acoustically controlled frequency shifted cavity for electromagnetic radiation
JPS60120333A (ja) * 1983-12-05 1985-06-27 Fujitsu Ltd 光へテロダイン復調方式
US4592058A (en) * 1984-08-10 1986-05-27 The United States Of America As Represented By The Secretary Of The Army Frequency stabilized laser

Also Published As

Publication number Publication date
DE3582907D1 (de) 1991-06-27
EP0172775B1 (en) 1991-05-22
JPS6152634A (ja) 1986-03-15
US4751477A (en) 1988-06-14
EP0172775A2 (en) 1986-02-26
EP0172775A3 (en) 1988-09-28

Similar Documents

Publication Publication Date Title
US4533247A (en) Optical transmission system
JPH061912B2 (ja) 周波数偏移変調光送信装置
EP0357799B1 (en) Method and apparatus for modulating a semiconductor laser
KR890016361A (ko) 산란면(散亂面)으로 부터 과도적 운동의 광대역(廣大域) 광검파(光檢波).
US4208128A (en) Interferometer gyro using heterodyne phase detection without severe light source coherence requirements
KR850003223A (ko) 고체화 광간섭계(固體化光干涉計)
US20200103504A1 (en) Multiple photonic chip lidar system architecture
US11573297B2 (en) Lidar system with integrated circulator
US20200088845A1 (en) Coherent detection using backplane emissions
JPH0526175B2 (en])
JPS6323381A (ja) 受動リング共振器角速度センサ
US6441938B1 (en) Optical communication system with a single polarized, phase modulated transmitted beam
US7006542B2 (en) System and method for stabilizing a laser output frequency
US6104517A (en) Secure communications system
JP2664038B2 (ja) 半導体レーザ光変復調方式
NZ231777A (en) Optical phase modulator; travelling wave laser with varied injection bias
US4704032A (en) Rotation rate measuring instrument
JP3854656B2 (ja) 光強度変調器及び光波距離計
JPH026236B2 (en])
JPS61205848A (ja) 小さな信号を測定するためのクリーブ結合キヤビテイ　レーザー駆動システム
JP2001027512A (ja) 波長安定化可干渉性光源装置
JPS5564210A (en) Laser two-color recorder
JP2612919B2 (ja) レーザ発振周波数安定化装置
JP2000206474A (ja) 光送信回路
JPH01164135A (ja) 光周波数分割多重伝送方式における半導体レーザの発振周波数安定化方法

Legal Events

Date Code Title Description
S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313111

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

EXPY Cancellation because of completion of term