Telecom-compatible LTG-GaAs Photoconductive Antenna Modules with more than 85 dB Peak Dynamic Range

S. Weber,J. Klier,J. Jonuscheit,G. von Freymann,D. Molter

2021 46th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz)（2021）

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摘要

We present robust terahertz emitter and detector modules, based on LTG-GaAs photoconductive antennas with nonlinear second-harmonic generation for the use in 1550 nm terahertz time-domain spectroscopy systems. With two different dipole antenna-structures with 20 µm and 60 µm dipole length, the spectral performance of pitch-catch transceivers is adjustable. We achieve peak dynamic ranges of up to 8...

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关键词

Spectroscopy,Dipole antennas,Detectors,Bandwidth,Dynamic range,Frequency conversion,Transceivers

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