DE69005957T2 - Optischer Mischer. - Google Patents

Optischer Mischer.

Info

Publication number
DE69005957T2
DE69005957T2 DE90115480T DE69005957T DE69005957T2 DE 69005957 T2 DE69005957 T2 DE 69005957T2 DE 90115480 T DE90115480 T DE 90115480T DE 69005957 T DE69005957 T DE 69005957T DE 69005957 T2 DE69005957 T2 DE 69005957T2
Authority
DE
Germany
Prior art keywords
optical mixer
mixer
optical
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 - Fee Related
Application number
DE90115480T
Other languages
English (en)
Other versions
DE69005957D1 (de
Inventor
Alistair Coles
David Cunningham
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.)
Agilent Technologies Inc
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of DE69005957D1 publication Critical patent/DE69005957D1/de
Application granted granted Critical
Publication of DE69005957T2 publication Critical patent/DE69005957T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G02F2/00—Demodulating light; Transferring the modulation of modulated light; Frequency-changing of light
    • G02F2/002—Demodulating light; Transferring the modulation of modulated light; Frequency-changing of light using optical mixing
    • 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
    • H01S5/0609—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 acting on an absorbing region, e.g. wavelength convertors
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Nonlinear Science (AREA)
  • Optical Communication System (AREA)
DE90115480T 1989-09-20 1990-08-11 Optischer Mischer. Expired - Fee Related DE69005957T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB898921244A GB8921244D0 (en) 1989-09-20 1989-09-20 Optical mixer

Publications (2)

Publication Number Publication Date
DE69005957D1 DE69005957D1 (de) 1994-02-24
DE69005957T2 true DE69005957T2 (de) 1994-05-05

Family

ID=10663346

Family Applications (1)

Application Number Title Priority Date Filing Date
DE90115480T Expired - Fee Related DE69005957T2 (de) 1989-09-20 1990-08-11 Optischer Mischer.

Country Status (4)

Country Link
US (1) US5111333A (de)
EP (1) EP0418546B1 (de)
DE (1) DE69005957T2 (de)
GB (1) GB8921244D0 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5186146A (en) * 1990-12-20 1993-02-16 Hitachi, Ltd. Combustion evaluation apparatus and combustion controller
US5264960A (en) * 1992-05-08 1993-11-23 At&T Bell Laboratories Optical wavelength shifter
DE4324984A1 (de) * 1993-07-26 1995-02-02 Sel Alcatel Ag Faseroptischer Verstärker als Wellenlängenumsetzer
JP3534443B2 (ja) * 1994-07-06 2004-06-07 浜松ホトニクス株式会社 光周波数混合装置
EP0717482A1 (de) * 1994-12-14 1996-06-19 AT&T Corp. Halbleiterinterferometer zur optischen Wellenlängenumwandlung
JP3334025B2 (ja) 1995-11-13 2002-10-15 ミノルタ株式会社 画像形成装置
US5961314A (en) * 1997-05-06 1999-10-05 Rosemount Aerospace Inc. Apparatus for detecting flame conditions in combustion systems
CA2436709A1 (en) * 2001-01-30 2002-08-08 Yoshinobu Maeda Optical control method and device
US8469700B2 (en) 2005-09-29 2013-06-25 Rosemount Inc. Fouling and corrosion detector for burner tips in fired equipment
KR101385108B1 (ko) * 2009-12-17 2014-04-29 한국전자통신연구원 포토믹서 모듈 및 그것의 테라헤르츠파 발생 방법
US9413456B2 (en) * 2012-07-20 2016-08-09 The Boeing Company Non-linear optical receiver

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4364014A (en) * 1978-03-30 1982-12-14 Gray Richard W Optical modulator
JPS553258A (en) * 1978-06-21 1980-01-11 Fujitsu Ltd Optical communication system
US4794351A (en) * 1986-09-29 1988-12-27 American Telephone And Telegraph Company, At&T Bell Laboratories Optical mixer for upconverting or downconverting an optical signal

Also Published As

Publication number Publication date
EP0418546A2 (de) 1991-03-27
DE69005957D1 (de) 1994-02-24
US5111333A (en) 1992-05-05
EP0418546A3 (en) 1991-10-23
GB8921244D0 (en) 1989-11-08
EP0418546B1 (de) 1994-01-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: AGILENT TECHNOLOGIES, INC. (N.D.GES.D.STAATES DELA

8339 Ceased/non-payment of the annual fee