Widely Frequency Tunable Terahertz-Wave Emitter Integrating Uni-Traveling-Carrier Photodiode and Extended Bowtie Antenna
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概要
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We have demonstrated the extremely wide frequency tunable operation of a continuous terahertz (THz) wave emitter based on a uni-traveling-carrier photodiode (UTC-PD). A novel compact planar antenna was integrated with an InP/InGaAs UTC-PD, and assembled in a quasi-optical package. The fabricated module had a responsivity of 0.21 A/W, and was operated at frequencies from 30 GHz to 1.6 THz. The detected output powers were 120 μW at 200 GHz, 17 μW at 500 GHz, and 2.9 μW at 1 THz for a photocurrent of 10 mA with a bias voltage of only -0.6 V.
- 2013-06-25
著者
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Ito Hiroshi
Center for Natural Sciences, Kitasato University
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Yoshimatsu Toshihide
Ntt Photonics Laboratories Ntt Corporation
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Yamamoto Hiroshi
Center For Endovascular Neurosurgery Osaka Neurological Institute
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Ishibashi Tadao
NTT Photonic Laboratories, NTT Corpration
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Yoshimatsu Toshihide
NTT Photonics Laboratories, NTT Corporation, Atsugi, Kanagawa 243-0198, Japan
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