Title :
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
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;
Conference_Titel :
Optical Fiber Sensors Conference Technical Digest, 2002. Ofs 2002, 15th
Conference_Location :
Portland, OR, USA
Print_ISBN :
0-7803-7289-1
DOI :
10.1109/OFS.2002.1000556
