Demonstration of free space transmission from a THz quantum cascade laser to a quantum well detector

P D Grant,R Dudek,S R Laframboise,Matthias J Graf,Z R Wasilewski,H C Liu

Christchurch（2009）

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摘要

A demonstration of a THz free space transmitter/receiver link using only 2 quantum well semiconductor devices is described. A GaAs/AlGaAs QCL operating at 3.8 THz was used to transmit music to a GaAs/AlGaAs QW detector through an air pah of 2 meters.

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关键词

iii-v semiconductors,aluminium compounds,gallium arsenide,gallium compounds,optical links,quantum cascade lasers,terahertz wave detectors,wide band gap semiconductors,gaas-algaas,distance 2 m,free space transmission,frequency 3.8 thz,quantum cascade laser,quantum well detector,quantum well semiconductor devices,quantum well,semiconductor devices

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