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Time-Resolved Measurements of Near-Infrared Pulse Induced Ultrafast Optical Modulation of Quantum Cascade Lasers

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Abstract

We temporally resolve ultrafast modulation of quantum cascade lasers (QCLs) using a near-infrared pump mid-infrared probe technique. We compare interband and intersubband transition mechanism assisted modulation of QCLs by using different pump wavelengths.

© 2013 Optical Society of America

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Poster Presentation

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