AT104065T - Optical signal processing. - Google Patents

Optical signal processing.

Info

Publication number
AT104065T
AT104065T AT87310985T AT87310985T AT104065T AT 104065 T AT104065 T AT 104065T AT 87310985 T AT87310985 T AT 87310985T AT 87310985 T AT87310985 T AT 87310985T AT 104065 T AT104065 T AT 104065T
Authority
AT
Austria
Prior art keywords
signal processing
optical signal
optical
processing
Prior art date
Application number
AT87310985T
Other languages
German (de)
Inventor
Michael John Adams
Original Assignee
British Telecomm
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
Priority to GB868629873A priority Critical patent/GB8629873D0/en
Application filed by British Telecomm filed Critical British Telecomm
Priority to EP87310985A priority patent/EP0275663B1/en
Publication of AT104065T publication Critical patent/AT104065T/en

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F3/00Optical logic elements; Optical bistable devices
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S5/00Semiconductor lasers
    • H01S5/50Amplifier structures not provided for in groups H01S5/02 - H01S5/30
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S5/00Semiconductor lasers
    • H01S5/10Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
    • H01S5/12Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region the resonator having a periodic structure, e.g. in distributed feed-back [DFB] lasers
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S5/00Semiconductor lasers
    • H01S5/20Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers
    • H01S5/22Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers having a ridge or stripe structure
AT87310985T 1986-12-15 1987-12-14 Optical signal processing. AT104065T (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB868629873A GB8629873D0 (en) 1986-12-15 1986-12-15 Optical signal processing device
EP87310985A EP0275663B1 (en) 1986-12-15 1987-12-14 Optical signal processing

Publications (1)

Publication Number Publication Date
AT104065T true AT104065T (en) 1994-04-15

Family

ID=10609004

Family Applications (1)

Application Number Title Priority Date Filing Date
AT87310985T AT104065T (en) 1986-12-15 1987-12-14 Optical signal processing.

Country Status (8)

Country Link
US (1) US4962502A (en)
EP (1) EP0275663B1 (en)
JP (1) JPH01502614A (en)
AT (1) AT104065T (en)
CA (1) CA1298638C (en)
DE (2) DE3789542D1 (en)
GB (1) GB8629873D0 (en)
WO (1) WO1988004790A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5103455A (en) * 1990-05-09 1992-04-07 Gte Laboratories Incorporated Monolithically integrated semiconductor optical preamplifier
FR2682781B1 (en) * 1991-10-16 1993-11-26 France Telecom Generator logic functions using an optical transposition in a laser diode against distributed feedback.
US5383199A (en) * 1992-07-02 1995-01-17 Advanced Interventional Systems, Inc. Apparatus and method for optically controlling the output energy of a pulsed laser source
WO1997047080A1 (en) * 1996-05-30 1997-12-11 Deutsche Telekom Ag Generator for producing a high-frequency, low-noise signal
US6160504A (en) * 1999-06-30 2000-12-12 Trw Inc. Repetitive absorptive thresholding optical quantizer
US8100893B2 (en) * 2007-11-28 2012-01-24 The Spectranetics Corporation Laser catheter calibrator

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3724926A (en) * 1971-08-09 1973-04-03 Bell Telephone Labor Inc Optical pulse modulator
US4215323A (en) * 1978-01-13 1980-07-29 Bell Telephone Laboratories, Incorporated Instability and regenerative pulsation in optical cavities
US4751710A (en) * 1984-07-26 1988-06-14 Nec Corporation Semiconductor laser device
JPS61201222A (en) * 1985-03-04 1986-09-05 Hitachi Ltd Light pulse amplifying and shaping device
GB8629871D0 (en) * 1986-12-15 1987-01-28 British Telecomm Optical switch

Also Published As

Publication number Publication date
WO1988004790A1 (en) 1988-06-30
US4962502A (en) 1990-10-09
EP0275663B1 (en) 1994-04-06
DE3789542D1 (en) 1994-05-11
GB8629873D0 (en) 1987-01-28
EP0275663A1 (en) 1988-07-27
DE3789542T2 (en) 1994-07-14
JPH01502614A (en) 1989-09-07
CA1298638C (en) 1992-04-07

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties