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 OSA
D. Guo, X. Chen, L. Cheng, A. Belyanin, S. Trivedi, and F. Choa, "Mid-IR Optical Amplifications using Resonant Gain of Quantum Cascade Lasers," in Conference on Lasers and Electro-Optics 2012, OSA Technical Digest (online) (Optical Society of America, 2012), paper JW2A.100.
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