Title :
Alpha parameter in quantum-dot amplifier under optical and electrical carrier modulation
Author :
van der Poel, M. ; Birkedal, D. ; Hvam, J. ; Laemmlin, M. ; Bimberg, D.
Author_Institution :
Res. Center COM, Tech. Univ. Denmark, Lyngby, Denmark
Abstract :
Alpha parameter of a long-wavelength quantum-dot amplifier near 1.3 /spl mu/m is measured to be below one even with saturated gain. A simple model explains difference in apparent alpha parameter under optical and electrical carrier modulation.
Keywords :
carrier density; optical modulation; optical saturation; optical waveguides; semiconductor optical amplifiers; alpha parameter; electrical carrier modulation; optical carrier modulation; quantum-dot amplifier;
Conference_Titel :
Lasers and Electro-Optics, 2004. (CLEO). Conference on
Conference_Location :
San Francisco, CA
Print_ISBN :
1-55752-777-6
