Title :
Excess linewidth broadening in wavelength-tunable laser diodes
Author :
Amann, M.-C. ; Schimpe, R.
Author_Institution :
Siemens AG, Res. Labs., Munchen, West Germany
fDate :
3/1/1990 12:00:00 AM
Abstract :
Injection-recombination shot noise in the tuning region is identified as significant linewidth broadening mechanism in wavelength tunable laser diodes. Depending on the tuning efficiency this power independent linewidth broadening is typically around 4-20 MHz. Useful formulas for the evaluation of this broadening and design rules for an improvement of the devices are given.
Keywords :
electron device noise; laser theory; laser tuning; optical communication equipment; random noise; semiconductor junction lasers; spectral line breadth; design rules; injection-recombination shot noise; light source; linewidth broadening; optical communication; semiconductor lasers; tuning efficiency; tuning region; wavelength-tunable laser diodes;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19900185
