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Wavelength Tuning of Sampled-Grating DBR Quantum Cascade Lasers

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Abstract

We characterized the performance of sampled-grating distributed Bragg reflectors (SG DBR) quantum cascade lasers (QCLs) and demonstrated a wide wavelength tuning from 4.48 to 4.69 μm (100cm−1) by injecting current into the SGDBR sections.

© 2012 Optical Society of America

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