Title :
Spectral linewidth rebroadening with short wavelength detuning in external cavity lasers
Author :
Ferreira, Michel ; Shan, Xiuming ; Siddiqui, Anwar S. ; Simeonidou, Dimitra
Author_Institution :
Dept. of Electron, Syst. Eng., Essex Univ., Colchester, UK
Abstract :
The first experimental observation of spectral linewidth rebroadening when an external cavity semiconductor laser is detuned well away from the laser gain peak on the shorter wavelength side has been made. This confirms a recent theoretical prediction of the variation of the effective linewidth enhancement factor with shortwave detuning and has significant implications for the design of narrow linewidth optical sources.
Keywords :
laser cavity resonators; laser tuning; semiconductor junction lasers; spectral line breadth; effective linewidth enhancement factor; external cavity lasers; narrow linewidth optical sources; semiconductor laser; short wavelength detuning; spectral linewidth rebroadening;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19910204
