FR2492995B1 - - Google Patents

Info

Publication number
FR2492995B1
FR2492995B1 FR8022815A FR8022815A FR2492995B1 FR 2492995 B1 FR2492995 B1 FR 2492995B1 FR 8022815 A FR8022815 A FR 8022815A FR 8022815 A FR8022815 A FR 8022815A FR 2492995 B1 FR2492995 B1 FR 2492995B1
Authority
FR
France
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
FR8022815A
Other versions
FR2492995A1 (fr
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR8022815A priority Critical patent/FR2492995A1/fr
Publication of FR2492995A1 publication Critical patent/FR2492995A1/fr
Application granted granted Critical
Publication of FR2492995B1 publication Critical patent/FR2492995B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • H01S3/10084—Frequency control by seeding
    • H01S3/10092—Coherent seed, e.g. injection locking
    • 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
    • G02F3/00—Optical logic elements; Optical bistable devices
    • G02F3/02—Optical bistable devices
    • G02F3/026—Optical bistable devices based on laser effects
    • 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
    • H01S5/0608—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 controlled by light, e.g. optical switch
    • 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
    • H01S3/23—Arrangements of two or more lasers not provided for in groups H01S3/02 - H01S3/22, e.g. tandem arrangements of separate active media

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Nonlinear Science (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Semiconductor Lasers (AREA)
FR8022815A 1980-10-24 1980-10-24 Dispositif optique bistable utilisant deux lasers couples Granted FR2492995A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8022815A FR2492995A1 (fr) 1980-10-24 1980-10-24 Dispositif optique bistable utilisant deux lasers couples

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8022815A FR2492995A1 (fr) 1980-10-24 1980-10-24 Dispositif optique bistable utilisant deux lasers couples

Publications (2)

Publication Number Publication Date
FR2492995A1 FR2492995A1 (fr) 1982-04-30
FR2492995B1 true FR2492995B1 (fr) 1984-10-12

Family

ID=9247298

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8022815A Granted FR2492995A1 (fr) 1980-10-24 1980-10-24 Dispositif optique bistable utilisant deux lasers couples

Country Status (1)

Country Link
FR (1) FR2492995A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4748630A (en) * 1985-01-17 1988-05-31 Nec Corporation Optical memory device comprising a semiconductor laser having bistability and two injection current sources for individually controlling the bistability
GB8629871D0 (en) * 1986-12-15 1987-01-28 British Telecomm Optical switch

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3760201A (en) * 1971-09-16 1973-09-18 Semiconductor Res Found Optical flip-flop element

Also Published As

Publication number Publication date
FR2492995A1 (fr) 1982-04-30

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Legal Events

Date Code Title Description
TP Transmission of property
TP Transmission of property
ST Notification of lapse