Ning Wang, Semih Cakmakyapan, Mona Jarrahi,
https://www.osapublishing.org/abstract.cfm?uri=CLEO_SI-2018-SW4D.2
We demonstrate a new class of terahertz spectrometers that use plasmonic photomixers as frequency downconverters to offer quantum-level sensitivity at room temperature. We demonstrated double-sideband noise temperatures of 120–270 K (10hv/k -2hv/k) over 0.1–2 THz, equivalent to 10-2 photons.
© 2018 The Author(s)
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