[go: up one dir, main page]

GB2245756B - Digital driving of injection lasers - Google Patents

Digital driving of injection lasers

Info

Publication number
GB2245756B
GB2245756B GB9014022A GB9014022A GB2245756B GB 2245756 B GB2245756 B GB 2245756B GB 9014022 A GB9014022 A GB 9014022A GB 9014022 A GB9014022 A GB 9014022A GB 2245756 B GB2245756 B GB 2245756B
Authority
GB
United Kingdom
Prior art keywords
digital driving
injection lasers
lasers
injection
digital
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
GB9014022A
Other versions
GB9014022D0 (en
GB2245756A (en
Inventor
Richard Edward Epworth
Peter Jeremy Anslow
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
STC PLC
Alcatel Submarine Networks UK Ltd
Nortel Networks Optical Components Ltd
Original Assignee
Northern Telecom Ltd
STC PLC
Northern Telecom Europe Ltd
STC Submarine Systems Ltd
STC 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 Telecom Ltd, STC PLC, Northern Telecom Europe Ltd, STC Submarine Systems Ltd, STC Ltd filed Critical Northern Telecom Ltd
Priority to GB9014022A priority Critical patent/GB2245756B/en
Publication of GB9014022D0 publication Critical patent/GB9014022D0/en
Publication of GB2245756A publication Critical patent/GB2245756A/en
Application granted granted Critical
Publication of GB2245756B publication Critical patent/GB2245756B/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
    • H01S5/00—Semiconductor lasers
    • H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/062—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes
    • H01S5/06209—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes in single-section lasers
    • H01S5/06216—Pulse modulation or generation
    • 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
    • H01S5/068—Stabilisation of laser output parameters
    • H01S5/0683—Stabilisation of laser output parameters by monitoring the optical output parameters
    • H01S5/06835—Stabilising during pulse modulation or generation

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Semiconductor Lasers (AREA)
GB9014022A 1990-06-23 1990-06-23 Digital driving of injection lasers Expired - Fee Related GB2245756B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9014022A GB2245756B (en) 1990-06-23 1990-06-23 Digital driving of injection lasers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9014022A GB2245756B (en) 1990-06-23 1990-06-23 Digital driving of injection lasers

Publications (3)

Publication Number Publication Date
GB9014022D0 GB9014022D0 (en) 1990-08-15
GB2245756A GB2245756A (en) 1992-01-08
GB2245756B true GB2245756B (en) 1994-06-08

Family

ID=10678100

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9014022A Expired - Fee Related GB2245756B (en) 1990-06-23 1990-06-23 Digital driving of injection lasers

Country Status (1)

Country Link
GB (1) GB2245756B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2025121A (en) * 1978-07-06 1980-01-16 Post Office Improvements in or relating to the stabilisation of injection lasers
EP0319852A2 (en) * 1987-12-05 1989-06-14 Alcatel SEL Aktiengesellschaft Circuitry for the modulation of a semiconductor injection laser used in optical communication

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2025121A (en) * 1978-07-06 1980-01-16 Post Office Improvements in or relating to the stabilisation of injection lasers
EP0319852A2 (en) * 1987-12-05 1989-06-14 Alcatel SEL Aktiengesellschaft Circuitry for the modulation of a semiconductor injection laser used in optical communication

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
O.F.C.88,PD12-1 TO PD12-4,L.BICKERS AND L.D WESTBROOK,"CHIRP REDUCTION IN 1.5um DISTRIBUTED...." *

Also Published As

Publication number Publication date
GB9014022D0 (en) 1990-08-15
GB2245756A (en) 1992-01-08

Similar Documents

Publication Publication Date Title
GB8411554D0 (en) Injection mouldings
AU114410S (en) An injector
GB8708019D0 (en) Injection mould
SG42308A1 (en) Injection molding method
AU571009B2 (en) Injection moulding
GB2258753B (en) Injection laser modulation
GB2195822B (en) Injection lasers
GB2256308B (en) Binary modulation of injection lasers
GB2188187B (en) Coupled waveguide injection laser
AU5709194A (en) Injection moulding
GB2245756B (en) Digital driving of injection lasers
EP0468795A3 (en) Pulse laser
EP0489254A3 (en) Injection head
EP0443751A3 (en) Solid lasers
EP0478180A3 (en) Laser resonator
KR900007240Y1 (en) Injection mould
KR930010962B1 (en) Optical scanner
GB9016960D0 (en) Injection moulding
GB9028184D0 (en) Injection moulding
GB9010001D0 (en) Injection laser modulation
GB9226908D0 (en) Injection moulding
GB9027834D0 (en) Improved optical-fibre lasers
ZA907531B (en) Injection syringe
IE900564L (en) Injection moulding
GB9016962D0 (en) Injection moulding techniques

Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20050623