BE789175A - INTERMEDIATE AMPLIFIER FOR AN INFORMATION TRANSMISSION SYSTEM - Google Patents

INTERMEDIATE AMPLIFIER FOR AN INFORMATION TRANSMISSION SYSTEM

Info

Publication number
BE789175A
BE789175A BE789175DA BE789175A BE 789175 A BE789175 A BE 789175A BE 789175D A BE789175D A BE 789175DA BE 789175 A BE789175 A BE 789175A
Authority
BE
Belgium
Prior art keywords
transmission system
information transmission
intermediate amplifier
amplifier
information
Prior art date
Application number
Other languages
French (fr)
Original Assignee
Siemens Ag
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.)
Publication date
Publication of BE789175A publication Critical patent/BE789175A/en

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
    • H04B10/29—Repeaters
    • H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
    • H04B10/2912—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form characterised by the medium used for amplification or processing
    • H04B10/2914—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form characterised by the medium used for amplification or processing using lumped semiconductor optical amplifiers [SOA]
    • 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
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • 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
    • H01S5/50—Amplifier structures not provided for in groups H01S5/02 - H01S5/30
BE789175D 1971-09-24 INTERMEDIATE AMPLIFIER FOR AN INFORMATION TRANSMISSION SYSTEM BE789175A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712147842 DE2147842B2 (en) 1971-09-24 1971-09-24 Optical repeater integrated in a fiber optic cable

Publications (1)

Publication Number Publication Date
BE789175A true BE789175A (en) 1973-01-15

Family

ID=5820519

Family Applications (1)

Application Number Title Priority Date Filing Date
BE789175D BE789175A (en) 1971-09-24 INTERMEDIATE AMPLIFIER FOR AN INFORMATION TRANSMISSION SYSTEM

Country Status (10)

Country Link
JP (1) JPS576715B2 (en)
BE (1) BE789175A (en)
CA (1) CA995798A (en)
CH (1) CH547019A (en)
DE (1) DE2147842B2 (en)
FR (1) FR2153317B1 (en)
GB (1) GB1407227A (en)
IT (1) IT967733B (en)
LU (1) LU66145A1 (en)
SE (1) SE379121B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2248370C2 (en) * 1972-10-03 1986-05-07 Siemens AG, 1000 Berlin und 8000 München Repeater integrated in an optical waveguide of an optical communications system
JPS5555594A (en) * 1978-10-19 1980-04-23 Kokusai Denshin Denwa Co Ltd <Kdd> Semiconductor light amplifier
FR2441860A1 (en) * 1978-11-14 1980-06-13 Thomson Csf Optical coupler for fibre optics - grips fibres side by side facing convex mirror coupler to provide simple and small coupler
JPS56165437A (en) * 1980-05-26 1981-12-19 Kokusai Denshin Denwa Co Ltd <Kdd> Optical repeating system for optical communication
US4369524A (en) * 1980-10-14 1983-01-18 Xerox Corporation Single component transceiver device for linear fiber optical network
JPH01289287A (en) * 1988-05-17 1989-11-21 Kokusai Denshin Denwa Co Ltd <Kdd> Semiconductor optical amplification element

Also Published As

Publication number Publication date
GB1407227A (en) 1975-09-24
JPS576715B2 (en) 1982-02-06
DE2147842B2 (en) 1980-01-17
CA995798A (en) 1976-08-24
SE379121B (en) 1975-09-22
FR2153317A1 (en) 1973-05-04
JPS4842750A (en) 1973-06-21
DE2147842A1 (en) 1973-04-05
IT967733B (en) 1974-03-11
LU66145A1 (en) 1973-01-17
FR2153317B1 (en) 1978-10-20
CH547019A (en) 1974-03-15

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: SIEMENS A.G.

Effective date: 19880930