Grating-coupled surface emitting quantum cascade semiconductor optical pre-amplifier

H. L. Zhang; G. P. Luo; A. Seetharaman; P. Johnson; H. Q. Le

Conference on Lasers and Electro-Optics/International Quantum Electronics Conference and Photonic Applications Systems Technologies
Technical Digest (CD) (Optica Publishing Group, 2004),
paper CMZ4

Grating-coupled surface emitting quantum cascade semiconductor optical pre-amplifier

H. L. Zhang, G. P. Luo, A. Seetharaman, P. Johnson, and H. Q. Le

Conference on Lasers and Electro-Optics 2004

San Francisco, California United States
16–21 May 2004
ISBN: 1-55752-770-9

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Quantum Cascade Lasers II (CMZ)

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H. L. Zhang, G. P. Luo, A. Seetharaman, P. Johnson, and H. Q. Le, "Grating-coupled surface emitting quantum cascade semiconductor optical pre-amplifier," in Conference on Lasers and Electro-Optics/International Quantum Electronics Conference and Photonic Applications Systems Technologies, Technical Digest (CD) (Optica Publishing Group, 2004), paper CMZ4.

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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 <−144dBm. The Bragg grating served as output-coupler, ASE-filter, and wavelength division multiplexer.

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