Milliwatt THz Average Output Power From a Photoconductive Switch

Document Type

Article

Publication Date

1-1-2008

Identifier/URL

42973382 (Pure)

Abstract

We report the design and measurement details of a new GaAs-based THz photoconductive switch with an average power level in excess of 1 mW and peak power up to 33 W when pumped by a 780-nm, subpicosecond pulse train from a frequency-doubled 1.55-nm fiber mode-locked laser. The power was measured with a thermopile detector calibrated for THz operation and having very high saturation level. The median power frequency of the present photoconductive switch is estimated to be 400 GHz.

DOI

10.1109/ICIMW.2008.4665475

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