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Conferences > CLEO_SI > 2013 > CW3K > CW3K.7

Plasmonic Terahertz Monochromatic Coherent Emission from an Asymmetric Chirped Dual-Grating-Gate InP-HEMT with a Photonic Vertical Cavity

Takayuki Watanabe, Akira Satou, Tetsuya Suemitsu, Wojciech Knap, Viacheslav V. Popov, and Taiichi Otsuji

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Abstract

We designed and fabricated InP-based high electron mobility transistors featuring an asymmetric chirped dual-grating-gate structure with a resonant-enhanced photonic vertical cavity. The device structure greatly enhances the Doppler-effect-driven plasma instability, resulting in intense monochromatic superradiant terahertz emission at 3.55 THz at 140K for the first time.

© 2013 Optical Society of America

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