Formation of Short Microwave Pulses by Laser-Driven GaAs Switch with Sub-Nanosecond Transient Response

Gregory G. Denisov,Alexey Palitsin,Dmitriy Sobolev,Vladimir Belousov, Ivan A. Gorbunov,Oleg Kulagin,Sergey Morozov,Aleksey A. Murzanev,Andrey N. Stepanov,Mikhail Yu Glyavin

2021 46TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER AND TERAHERTZ WAVES (IRMMW-THZ)（2021）

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摘要

Formation of sub-nanosecond and nanosecond scale microwave pulses from CW 170 GHz BWO has been experimentally demonstrated using quasi-optical GaAs switch with photoconductivity induced by both femtosecond 800 nm and picosecond 532 nm lasers. It has been shown that full duration at half maximum of the microwave pulses can be controlled by the energy of laser pulses in the range from sub-ns to a few nanoseconds.

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关键词

laser pulse energy,BWO,femtosecond lasers,picosecond lasers,quasioptical switch,subnanosecond scale microwave pulses,laser-driven switch,photoconductivity,subnanosecond transient response,frequency 170.0 GHz,wavelength 800.0 nm,wavelength 532.0 nm,GaAs

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