A 666 GHz Demonstration Crosslink with 9.5 Gbps Data Rate
2017 IEEE MTT-S INTERNATIONAL MICROWAVE SYMPOSIUM (IMS)(2017)
Abstract
This paper reports demonstration of a 0.666 THz (666 GHz) datalink. A peak error-free data rate of 9.5 Gbps is demonstrated over a 590 m range using QPSK modulation with a measured humidity of 18% with more than 40 dB SNR at the output of the receiver. The 0.666 THz link uses InP HEMT frequency converters providing both low noise and power amplification, a traveling wave tube Amplifier, and an advanced modem architecture. This ground-based demonstration indicates that traditional communications approaches can be used well into the submillimeter wave range. Moreover, a space-based crosslink based on this technology should be capable of transmitting Gbps-class data rates at LEO-LEO ranges.
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Key words
Terahertz,Submillimeter Wave,Indium Phosphide,HEMT
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