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.
Grating-coupled surface emitting quantum cascade semiconductor optical pre-amplifier
Conference on Lasers and Electro-Optics, 2004. (CLEO). ; 1 ; 2 pp. vol.1
2004-01-01
196504 byte
Conference paper
Electronic Resource
English
British Library Conference Proceedings | 2003
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