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Conceptual view of charge integration photon detector (CIPD).
(a) Spectral response of InGaAs pin photodiode with operation temperature as a parameter; (b) Capacitance of InGaAs pin photodiode as a function of reverse bias voltage at room temperature and .
(a) Noise spectrum of CIPD system; (b) time variation of average output voltage signal. Inset shows the deviation of the dark counts.
Photon number distribution: average photon number and sampling number are (a) 2.60, 744; (b) 4.14, and 569; (c) 6.97, 796; (d) 9.89, 800; and (e) 22.27, 399.
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