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Conferences > CLEO_SI > 2022 > SW4G > SW4G.1

Continuous Wave Operation of Terahertz Metasurface Quantum-cascade VECSEL with a Long Intra-cryostat Cavity

Yu Wu, Christopher Curwen, John L. Reno, and Benjamin Williams

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Abstract

An off-axis paraboloid mirror is introduced into the intra-cryostat quantum-cascade VECSEL cavity as a focusing element to reduce the diffraction loss. Continuous-wave lasing at 3.4 THz is obtained with a cavity length ~27 mm.

© 2022 The Author(s)

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