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Heterodyne detection at 10.6 μm using quasiplanar metal-oxide-metal tunnel diodes

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4 Author(s)
J. A. Calviello ; Eaton Corporation, AIL Division, Melville, USA ; R. Augeri ; V. Boccio ; D. Ward

Novel high-performance, symmetrical metal-oxide-metal tunnel diodes (MOMTDs) in a quasiplanar configuration (US patent 4 549 194) have been successfully fabricated, and for the first time used as room-temperature detectors for the heterodyne mixing of two CO2 lasers operating on the P14 line near λ = 10.6 μm. Using these devices, we have achieved state-of-the-art NEP (noise equivalent power) in the 4 to 6 × 10-16 W/Hz range and a D* of 5 × 106 cm Hz¿/W.

Published in:

Electronics Letters  (Volume:22 ,  Issue: 11 )