Terahertz Schottky-diode balanced mixers

Neal R. Erickson; Thomas M. Goyette

doi:10.1117/12.807505

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9 February 2009 Terahertz Schottky-diode balanced mixers

Neal R. Erickson, Thomas M. Goyette

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Proceedings Volume 7215, Terahertz Technology and Applications II; 721508 (2009) https://doi.org/10.1117/12.807505
Event: SPIE OPTO: Integrated Optoelectronic Devices, 2009, San Jose, California, United States

Abstract

We report on the first THz balanced mixer/upconverter using a Schottky diode MMIC chip. Using an optically pumped laser at 1562 GHz as an LO source with a coupled power of about 1 mW, and 1 mW input at an IF frequency of 10 GHz, we obtained a sideband output power of 23 uW (sum of two sidebands). As a mixer, at an LO of 1621 GHz, we obtain a conversion loss of 12.4 dB DSB and a noise temperature of 5600 K DSB. Response is believed to be similar over a band 1250-1650 GHz. New diodes have been designed for easier application as mixers up through 3 THz, and a new wafer run is in process.

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Neal R. Erickson and Thomas M. Goyette "Terahertz Schottky-diode balanced mixers", Proc. SPIE 7215, Terahertz Technology and Applications II, 721508 (9 February 2009); https://doi.org/10.1117/12.807505

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