Room-temperature terahertz wave detector
A detector and terahertz technology, applied in the field of terahertz wave detectors, can solve the problems of high equivalent noise power, low sensitivity, difficult processing, etc., achieve improved electric field strength, high sensitivity and low noise detection, and avoid mutual crosstalk Effect
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[0019] The present invention realizes the detection of terahertz wave through the effective regulation of the gate of the high electron mobility field effect transistor on the two-dimensional electron gas, and integrates the butterfly antenna structure independent of the source and drain at the channel to achieve Effectively enhance the terahertz electric field. The detector can generate photocurrent or open-circuit voltage under terahertz wave irradiation. The antenna independent of the source and drain can effectively improve the sensitivity, thereby achieving high-speed, high-efficiency, high-sensitivity, and low-noise room temperature detection.
[0020] The technical solution of the present invention will be further described below in conjunction with the accompanying drawings and a preferred embodiment.
[0021] Such as Figure 1~2 As shown, the room temperature terahertz wave detector is mainly composed of a high electron mobility transistor and a pair of butterfly-shaped t...
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