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Coherent generation and detection of continuous THz waves using two photomixers driven by laser diodes

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6 Author(s)
Mendis, R. ; Inst. fur Hochfrequenztechnik., Technische Univ. Darmstadt, Germany ; Sydlo, C. ; Sigmund, J. ; Feiginov, M.
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We report on a completely coherent, tunable, continuous-wave THz system, where for the first-time, both the transmitter and receiver are log-periodic-antenna coupled LTG-GaAs-based finger-photomixers. This compact room-temperature system exhibits signal-to-noise ratios (>103) comparable to or better than what is reported in the literature, and has potential applications in high-resolution-spectroscopy and imaging.

Published in:

Infrared and Millimeter Waves, 2004 and 12th International Conference on Terahertz Electronics, 2004. Conference Digest of the 2004 Joint 29th International Conference on

Date of Conference:

27 Sept.-1 Oct. 2004