150 research outputs found
A photon position sensor consisting of single-electron circuits
Get PDFThis paper proposes a solid-state sensor that can detect the position of incident photons with a high spatial resolution. The sensor consists of a two-dimensional array of single-electron oscillators, each coupled to its neighbors through coupling capacitors. An incident photon triggers an excitatory circular wave of electron tunneling in the oscillator array. The wave propagates in all directions to reach the periphery of the array. By measuring the arrival time of the wave at the periphery, we can know the position of the incident photon. The tunneling wave's generation, propagation, arrival at the array periphery, and the determination of incident photon positions are demonstrated with the results of Monte-Carlo based computer simulations
Numerical study of turnstile operation in random-multidot-channel field-effect transistor
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First-Principle Calculation of Core Level Energy Shifts on the Initial Oxidation Stage of Si(111) Surface
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