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Conferences > CLEO_SI > 2014 > STh4G > STh4G.2

A Detailed Experimental Study of Frequency Noise in Mid-Infrared Distributed Feedback Quantum Cascade Lasers

S. Schilt, L. Tombez, S. Blaser, R. Terazzi, C. Tardy, R. Maulini, A. Bismuto, T. Gresch, M. Rochat, A. Muller, and T. Südmeyer

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Abstract

Flicker noise was studied in a set of 20 QCLs at 7-8 μm, showing significant differences among the devices and the probable existence of various noise sources. Ridge-waveguide lasers showed lower noise than buried-heterostructures.

© 2014 Optical Society of America

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