GB2272103B - Active fiber for optical signal transmission - Google Patents

Active fiber for optical signal transmission

Info

Publication number
GB2272103B
GB2272103B GB9325719A GB9325719A GB2272103B GB 2272103 B GB2272103 B GB 2272103B GB 9325719 A GB9325719 A GB 9325719A GB 9325719 A GB9325719 A GB 9325719A GB 2272103 B GB2272103 B GB 2272103B
Authority
GB
United Kingdom
Prior art keywords
optical signal
signal transmission
active fiber
fiber
active
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
GB9325719A
Other versions
GB9325719D0 (en
GB2272103A (en
Inventor
Jonathan D Garman
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.)
Sun Microsystems Inc
Original Assignee
Sun Microsystems Inc
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 claimed from US07/312,907 external-priority patent/US4955685A/en
Priority claimed from GB9319419A external-priority patent/GB2269933B/en
Application filed by Sun Microsystems Inc filed Critical Sun Microsystems Inc
Publication of GB9325719D0 publication Critical patent/GB9325719D0/en
Publication of GB2272103A publication Critical patent/GB2272103A/en
Application granted granted Critical
Publication of GB2272103B publication Critical patent/GB2272103B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H01S3/09—Processes or apparatus for excitation, e.g. pumping
    • H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
    • H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
    • H01S3/094003—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light the pumped medium being a fibre
    • 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
    • H01S3/067—Fibre lasers
    • H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
    • 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
    • H01S3/067—Fibre lasers
    • H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
    • H01S3/0672—Non-uniform radial doping
    • 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
    • H01S3/067—Fibre lasers
    • H01S3/06754—Fibre amplifiers
    • 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
    • H01S3/09—Processes or apparatus for excitation, e.g. pumping
    • H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
    • H01S3/0915—Processes or apparatus for excitation, e.g. pumping using optical pumping by incoherent light
    • 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
    • H01S3/09—Processes or apparatus for excitation, e.g. pumping
    • H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
    • H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
    • H01S3/094069—Multi-mode pumping
GB9325719A 1989-02-21 1993-12-16 Active fiber for optical signal transmission Expired - Fee Related GB2272103B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/312,907 US4955685A (en) 1989-02-21 1989-02-21 Active fiber for optical signal transmission
GB9319419A GB2269933B (en) 1989-02-21 1993-09-21 Active fiber for optical signal transmission

Publications (3)

Publication Number Publication Date
GB9325719D0 GB9325719D0 (en) 1994-02-16
GB2272103A GB2272103A (en) 1994-05-04
GB2272103B true GB2272103B (en) 1994-12-07

Family

ID=26303547

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9325719A Expired - Fee Related GB2272103B (en) 1989-02-21 1993-12-16 Active fiber for optical signal transmission

Country Status (1)

Country Link
GB (1) GB2272103B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4447356A1 (en) * 1994-12-20 1996-06-27 Max Born Inst Fuer Nichtlinear Optical fibre laser beam generator for esp. optical telecommunications system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB957235A (en) * 1961-04-13 1964-05-06 Hughes Aircraft Co Optical radar system
GB1015431A (en) * 1961-07-31 1965-12-31 Litton Industries Inc Improvements in or relating to optical maser apparatus
GB1269101A (en) * 1968-07-06 1972-04-06 Nippon Selfoc Company Ltd A solid-state laser element
US3999145A (en) * 1974-07-02 1976-12-21 Allied Chemical Corporation Optical convertor for laser systems
US4875215A (en) * 1986-01-31 1989-10-17 Australian Electro Optics Pty. Ltd. Fibre communication laser system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB957235A (en) * 1961-04-13 1964-05-06 Hughes Aircraft Co Optical radar system
GB1015431A (en) * 1961-07-31 1965-12-31 Litton Industries Inc Improvements in or relating to optical maser apparatus
GB1269101A (en) * 1968-07-06 1972-04-06 Nippon Selfoc Company Ltd A solid-state laser element
US3999145A (en) * 1974-07-02 1976-12-21 Allied Chemical Corporation Optical convertor for laser systems
US4875215A (en) * 1986-01-31 1989-10-17 Australian Electro Optics Pty. Ltd. Fibre communication laser system

Also Published As

Publication number Publication date
GB9325719D0 (en) 1994-02-16
GB2272103A (en) 1994-05-04

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20031103