Dual wavelength fibre Bragg grating external cavity semiconductor laser sources for sensor applications

Author

Reilly, S.P. ; James, S.W. ; Tatam, R.P.

Author_Institution

Sch. of Eng., Cranfield Univ., UK

fYear

2002

Firstpage

281

Abstract

Much research has been carried out on fibre Bragg grating (FBG) external cavity semiconductor lasers for application as stabilised carrier wave and modulated laser sources and as tuneable lasers. In this paper two novel FBG external cavity lasers are experimentally demonstrated. Both use the light reflected from the FBGs to force the lasers to operate at the Bragg wavelengths. They offer tuneable beat frequencies and are able to switch the polarisation and wavelength of the laser.

Keywords

Bragg gratings; fibre optic sensors; laser feedback; laser frequency stability; laser tuning; optical fibre polarisation; optical modulation; semiconductor lasers; Bragg wavelength laser operation; FBG reflected light; dual wavelength FBG external cavity semiconductor laser sources; fibre Bragg gratings; modulated laser sources; polarisation switching; sensor applications; stabilised carrier wave sources; tuneable beat frequencies; tuneable lasers; wavelength switching; Bragg gratings; Fiber gratings; Fiber lasers; Laser stability; Laser tuning; Optical fiber polarization; Optical fiber sensors; Semiconductor lasers; Switches; Tunable circuits and devices;

fLanguage

English

Publisher

ieee

Conference_Titel

Optical Fiber Sensors Conference Technical Digest, 2002. Ofs 2002, 15th

Conference_Location

Portland, OR, USA

Print_ISBN

0-7803-7289-1

Type

conf

DOI

10.1109/OFS.2002.1000556

Filename

1000556