Title :
Cavity optimization for minimum pulsewidth of gain-switched semiconductor lasers
Author :
Helkey, Roger J. ; Arakawa, Yasuhiko
Author_Institution :
Inst. of Ind. Sci., Tokyo Univ., Japan
fDate :
3/1/1995 12:00:00 AM
Abstract :
The optimum photon lifetime for the minimum pulsewidth of a gain-switched laser is investigated both analytically and numerically. For a fixed pump power, the shortest pulse can be produced when the laser cavity is optimized to give an optical pulsewidth that is /spl sim/2.5 times the photon lifetime. This is in good agreement with experimental results.<>
Keywords :
laser cavity resonators; laser theory; optical pumping; optical switches; optimisation; semiconductor lasers; semiconductor switches; cavity optimization; fixed pump power; gain-switched laser; gain-switched semiconductor lasers; laser cavity; minimum pulsewidth; optical pulsewidth; optimized; optimum photon lifetime; photon lifetime; shortest pulse; Charge carrier density; Equations; Optical pulse shaping; Optical pulses; Optical pumping; Pulse shaping methods; Pump lasers; Semiconductor lasers; Space vector pulse width modulation; Spontaneous emission;
Journal_Title :
Photonics Technology Letters, IEEE
