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Conferences > CLEO_AT > 2023 > ATh1K > ATh1K.6

Tight-Locking Mid-Infrared Quantum Cascade Frequency Combs by Near-Infrared Light Injection

K. N. Komagata, A. Parriaux, J. Hillbrand, V. J. Wittwer, J. Faist, and T. Südmeyer

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Abstract

We demonstrate the tight-lock of a mid-infrared quantum cascade laser frequency comb by near-infrared light modulation. Our result, improved mutual coherence compared to drive-current modulation alone, is pertinent for highly-sensitive dual-comb spectroscopy.

© 2023 The Author(s)

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