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Mid-IR Optical Amplifications using Resonant Gain of Quantum Cascade Lasers

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Abstract

Using quantum-cascade-lasers (QCL) as resonant optical amplifiers, active filters, and detectors with gain, we demonstrated signal amplification in the mid-IR wavelength range. Optical gain of >10dB and electrical gain of >28dB were achieved.

© 2012 Optical Society of America

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