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Optics InfoBase > Conference Papers > CLEO_SI > 2012 > CF3K > Page CF3K.4 © 2012 OSA

Conference Paper
CLEO: Science and Innovations
San Jose, California United States
May 6-11, 2012
ISBN: 978-1-55752-943-5
ICLs and QCL Waveguide Design (CF3K)

Post-fabrication wavelength selection and spectral narrowing of Quantum Cascade lasers via application of a shallow distributed Bragg reflector

Arash Sadeghi, Peter Q. Liu, and Claire Gmachl  »View Author Affiliations


http://dx.doi.org/10.1364/CLEO_SI.2012.CF3K.4


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Abstract

Application of a shallow distributed Bragg reflector ion-milled on a tenth of the laser ridge leads to spectral narrowing, a 10-fold reduction in full-width-half-maximum and ~12dB side mode suppression, of Fabry-Perot type QC lasers.

© 2012 OSA

OCIS Codes
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(140.3425) Lasers and laser optics : Laser stabilization
(140.5965) Lasers and laser optics : Semiconductor lasers, quantum cascade

Citation
A. Sadeghi, P. Q. Liu, and C. Gmachl, "Post-fabrication wavelength selection and spectral narrowing of Quantum Cascade lasers via application of a shallow distributed Bragg reflector," in Conference on Lasers and Electro-Optics 2012, OSA Technical Digest (online) (Optical Society of America, 2012), paper CF3K.4.
http://www.opticsinfobase.org/abstract.cfm?URI=CLEO_SI-2012-CF3K.4


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