Title :
Intensity noise and linewidth of laser diodes with integrated semiconductor optical amplifier
Author :
Morthier, Geert ; Moeyersoon, Bart
Author_Institution :
Dept. of Inf. Technol., Ghent Univ., Belgium
Abstract :
It is shown that the relative intensity noise and the linewidth of a laser diode can increase significantly if an optical amplifier is integrated with the laser diode. This increase is due to the amplified spontaneous emission from the optical amplifier.
Keywords :
integrated optics; laser noise; laser theory; semiconductor device noise; semiconductor lasers; semiconductor optical amplifiers; spectral line breadth; superradiance; AR-coated DFB laser; amplified spontaneous emission; integrated semiconductor optical amplifier; laser diodes; linewidth; optical communication; relative intensity noise; transmitter modules; Diode lasers; Equations; Laser noise; Optical amplifiers; Optical noise; Optical transmitters; Semiconductor device noise; Semiconductor laser arrays; Semiconductor optical amplifiers; Stimulated emission;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2002.804672
