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Conferences > CLEO_AT > 2021 > ATu2T > ATu2T.5

Terahertz Quantum Cascade Amplifier with Optical Threshold

M.A Kainz, M. Jaidl, B. Limbacher, D. Theiner, M. Giparakis, M. Beiser, A.M. Andrews, G. Strasser, and K. Unterrainer

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Abstract

A Terahertz optical amplifier based on a Quantum Cascade laser structure with a lossy double-metal cavity is demonstrated. Amplification appears only above a certain threshold and an amplification of ~17 dB is achieved.

© 2021 The Author(s)

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