FR2261548B1 - - Google Patents

Info

Publication number
FR2261548B1
FR2261548B1 FR7505053A FR7505053A FR2261548B1 FR 2261548 B1 FR2261548 B1 FR 2261548B1 FR 7505053 A FR7505053 A FR 7505053A FR 7505053 A FR7505053 A FR 7505053A FR 2261548 B1 FR2261548 B1 FR 2261548B1
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
FR7505053A
Other languages
French (fr)
Other versions
FR2261548A1 (en
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.)
Nortel Networks Ltd
Original Assignee
Northern 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 Northern Electric Co Ltd filed Critical Northern Electric Co Ltd
Publication of FR2261548A1 publication Critical patent/FR2261548A1/fr
Application granted granted Critical
Publication of FR2261548B1 publication Critical patent/FR2261548B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/03—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect
    • G02F1/0305—Constructional arrangements
    • G02F1/0311—Structural association of optical elements, e.g. lenses, polarizers, phase plates, with the crystal
    • 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
    • H01S3/005—Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping
    • H01S3/0085—Modulating the output, i.e. the laser beam is modulated outside the laser cavity

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
  • Optical Communication System (AREA)
  • Lasers (AREA)
FR7505053A 1974-02-18 1975-02-18 Optical modulator for communication systems - utilises light beam delay time to effect the necessary modulation Granted FR2261548A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA192,726A CA1003500A (en) 1974-02-18 1974-02-18 Optical modulator having compensation for thermal and space charge effects

Publications (2)

Publication Number Publication Date
FR2261548A1 FR2261548A1 (en) 1975-09-12
FR2261548B1 true FR2261548B1 (hu) 1978-10-06

Family

ID=4099216

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7505053A Granted FR2261548A1 (en) 1974-02-18 1975-02-18 Optical modulator for communication systems - utilises light beam delay time to effect the necessary modulation

Country Status (5)

Country Link
JP (1) JPS50141343A (hu)
CA (1) CA1003500A (hu)
FR (1) FR2261548A1 (hu)
NL (1) NL7501837A (hu)
SE (1) SE7501808L (hu)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56157872A (en) * 1980-05-10 1981-12-05 Sumitomo Electric Ind Ltd Light-applying voltage and electric field sensor
JPS59107271A (ja) * 1982-12-10 1984-06-21 Mitsubishi Electric Corp 光フアイバ応用センサ
JPS60227226A (ja) * 1984-04-25 1985-11-12 Victor Co Of Japan Ltd 電界効果型光変調器

Also Published As

Publication number Publication date
FR2261548A1 (en) 1975-09-12
CA1003500A (en) 1977-01-11
SE7501808L (hu) 1975-08-19
NL7501837A (nl) 1975-08-20
DE2506748A1 (de) 1975-08-21
DE2506748B2 (de) 1977-01-13
JPS50141343A (hu) 1975-11-13

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Legal Events

Date Code Title Description
ST Notification of lapse