Title :
Grating-coupled surface emitting quantum cascade semiconductor optical pre-amplifier
Author :
Zhang, H.L. ; Luo, G.P. ; Seetharaman, A. ; Johnson, P. ; Le, H.Q.
Author_Institution :
Dept. of Electr. & Comput. Eng., Houston Univ., TX, USA
Abstract :
A grating-coupled surface-emitting mid-IR optical pre-amplifier was fabricated from a quantum cascade laser wafer and demonstrated >15-dB small signal gain with ASE power <-44 dBm. The Bragg grating served as output-coupler, ASE-filter, and wavelength division multiplexer.
Keywords :
Bragg gratings; infrared sources; integrated optics; laser cavity resonators; optical couplers; optical fabrication; optical filters; optical parametric amplifiers; quantum cascade lasers; semiconductor optical amplifiers; superradiance; surface emitting lasers; waveguide lasers; wavelength division multiplexing; ASE-filter; Bragg grating; grating-coupled preamplifier; integrated optics; midIR preamplifier; optical fabrication; optical parametric amplifier; output-coupler; quantum cascade laser wafer; quantum cascade preamplifier; ridge waveguide OPA; semiconductor optical preamplifier; surface emitting preamplifier; wavelength division multiplexer;
Conference_Titel :
Lasers and Electro-Optics, 2004. (CLEO). Conference on
Conference_Location :
San Francisco, CA
Print_ISBN :
1-55752-777-6
