Characteristics of Schottky diodes at 10.6 μm

Inoue, Narumi; Harakawa, K.; Yasuoka, Yoshizumi

doi:10.1063/1.93910

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2005

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Cited by 12 publications

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“…MOM diodes [1,2], Schottky diodes [3], warm carrier elements [4], and other antenna-coupled elements are varieties of far-infrared detectors. Such elements receive far-infrared light via antennas and perform detection using the nonlinearity of the voltage-current (V-I) characteristic.…”

Section: Introductionmentioning

confidence: 99%

Slot antenna‐coupled thin‐film warm carrier far‐infrared radiation detectors

Yasuoka

Suzuki

2005

Electrical Engineering Japan

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SUMMARYSlot antenna-coupled thin-film warm carrier devices were fabricated, and the detection properties were investigated at 94 and 700 GHz. Two-dimensional 8 × 3 slot antenna arrays fed by a coplanar waveguide were used as the antennas. The thin-film antennas were fabricated with a photolithographic method, and the warm carrier detectors, which have a contact area of 8 × 10 -10 cm 2 , were fabricated with an electron beam lithographic method. The experimental results indicate that the fabricated devices receive the far-infrared radiation with antenna and rectified it with nonlinear I-V characteristic. By changing the antenna from the single-slot antenna to the two-dimensional 8 × 3 slot antenna array, the detected sensitivity improved by 11 dB.

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