Greatly enhanced continuous-wave terahertz emission by nano-electrodes in a photoconductive photomixer

Photomixing Photoconductivity Terahertz gap Terahertz time-domain spectroscopy
DOI: 10.1038/nphoton.2011.322 Publication Date: 2012-01-13T06:24:13Z
ABSTRACT
Researchers report a room-temperature continuous-wave terahertz source based on a nanogap electrode structure in the active region of a photoconductive photomixer. The device has an emission linewidth of less than 10 MHz, an emission frequency of 0.3–1.6 THz and a maximum output power of 100 mW at 0.4 THz.
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