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

Peter Grant,R. Dudek,Sylvain R. Laframboise,Marcel Graf,Z. R. Wasilewski,H. C. Liu

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

2009

Peter Grant
R. Dudek
Sylvain R. Laframboise
Marcel Graf
Z. R. Wasilewski
H. C. Liu

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 thrugh an air pah of 2 meters.

Keywords:

Semiconductor device
Terahertz spectroscopy and technology
Detector
Electronic engineering
Quantum dot laser
Engineering
Quantum point contact
Wide-bandgap semiconductor
Quantum well
Quantum cascade laser
Optoelectronics
Terahertz radiation

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