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Conferences > CLEO_SI > 2019 > SW4F > SW4F.3

20 GHz continuous electrical tuning of a high-power terahertz distributed-feedback laser

Liang Gao, Yuan Jin, John L. Reno, and Sushil Kumar

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Abstract

Large electrical tuning of 20 GHz is demonstrated for a 3.3 THz distributed-feedback quantum-cascade laser at 56 K. A new scheme with phase-locked plasmonic microcavities realizes order-of-magnitude greater output-power and significantly improved far-field beam compared to previous results.

© 2019 The Author(s)

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