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Two-chip power-scalable THz-generating semiconductor disk laser

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posted on 2023-01-11, 22:06 authored by Heyang Guoyu, Christian Kriso, Fan Zhang, Matthias Wichmann, Wolfgang Stolz, Ksenia A. Fedorova, Arash Rahimi-Iman
We demonstrate a compact two-chip terahertz-emitting vertical-external-cavity surface-emitting laser (TECSEL) source, which provides 1-THz output based on intracavity frequency conversion of dual-wavelength emission in a periodically-poled lithium niobate crystal. The type-I frequency conversion scheme at room temperature highly benefits from the power-scaling possibilities in a multichip cavity with intracavity powers in excess of 500 W.

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