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Room temperature photon number resolving detector for infared wavelengths

Published in Optics Express. 2010, vol. 18, no. 10, p. 10750
Abstract In this paper we present a photon number resolving detector at infrared wavelengths, operating at room temperature and with a large dynamic range. It is based on the up-conversion of a signal at 1559 nm into visible wavelength and on its detection by a thermoelectrically cooled multi-pixel silicon avalanche photodiodode, also known as a Silicon Photon Multiplier. With the appropriate up-conversion this scheme can be implemented for arbitrary wavelengths above the visible spectral window. The preservation of the poissonian statistics when detecting coherent states is studied and the cross-talk effects on the detected signal can be easily estimated in order to calibrate the detector. This system is well suited for measuring very low intensities at infrared wavelengths and for analyzing multiphoton quantum states.
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POMARICO, Enrico et al. Room temperature photon number resolving detector for infared wavelengths. In: Optics Express, 2010, vol. 18, n° 10, p. 10750. https://archive-ouverte.unige.ch/unige:36613

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Deposited on : 2014-05-13

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