Fiber-coupled THz transceiver based on rhodium-doped InGaAs with 6.5 THz bandwidth and up to 106 W emitted THz power

Alexander Dohms,Steffen Breuer,Shahram Keyvaninia,Marko Gruner,Lars Liebermeister,Martin Schell,Robert B. Kohlhaas

2023 48th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)（2023）

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摘要

We present a fiber-coupled transceiver for terahertz (THz) time-domain spectroscopy in reflection geometry. The monolithically integrated transceiver is based on rhodium (Rh) doped In0.53Ga0.47As (InGaAs:Rh) grown by molecular beam epitaxy, combining emitter and receiver on the same photoconductive chip. A record THz power for transceivers of 106 mu W, a maximum spectral bandwidth of 6.5 THz and a peak spectral power of 79 dB are achieved.

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关键词

bandwidth 6.5 THz,fiber-coupled transceiver,InGaAs:Rh/ss,molecular beam epitaxy,monolithic integrated device,peak spectral power,photoconductive chip,rhodium doped indium gallium arsenide,spectral bandwidth,terahertz wave detectors,terahertz wave emitter,time-domain terahertz spectroscopy

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