QUANTUM DOT PHOTODETECTOR APPARATUS AND ASSOCIATED METHODS
An apparatus comprising at least one pair of first and second photodetectors, each photodetector of the photodetector pair comprising a channel member, respective source and drain electrodes configured to enable a flow of electrical current 5 through the channel member between the source and drain e...
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| creator | KALLIOINEN, Sami Seppo Antero VOUTILAINEN, Martti Kalevi |
| description | An apparatus comprising at least one pair of first and second photodetectors, each photodetector of the photodetector pair comprising a channel member, respective source and drain electrodes configured to enable a flow of electrical current 5 through the channel member between the source and drain electrodes, and a plurality of quantum dots configured to generate electron-hole pairs on exposure to incident electromagnetic radiation to produce a detectable change in the electrical current flowing through the channel member, wherein the apparatus is configured such that the first and second photodetectors 10 of the photodetector pair generate electron-hole pairs which produce an increase and decrease in electrical current through the channel members respectively, the combined change in electrical current of the pair of first and second photodetectors being indicative of one or more of the presence and magnitude of the incident electromagnetic radiation. |
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| subjects | BASIC ELECTRIC ELEMENTS COLORIMETRY ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT MEASURING PHYSICS RADIATION PYROMETRY SEMICONDUCTOR DEVICES TESTING |
| title | QUANTUM DOT PHOTODETECTOR APPARATUS AND ASSOCIATED METHODS |
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