THz hot electron photon counter
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Engineering topics
Publications and source records attributed to Sergeev, A..
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Recently proposed submillimeter hot-electron direct detecors based on normal metals and superconductors rely on the thermal coupling between electrons and phonons. The sensitivity of the detectors can be greatly enhanced if the coupling is made very weak at subkelvin temperatures.
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We present a new concept for a hot-electron direct detector (HEDD) capable of counting single millimeter-wave photons. The detector is based on a transition edge sensor (1-meu size bridge) made form a disordered superconducting film.