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—Calculations are carried out to optimize the width of the InP avalanche region in high speed APD-based optical receivers. The model includes the effects of intersymbol interference, tunneling current, avalanche noise and its correlation with the stochastic avalanche duration. A minimum sensitivity of ~-28.8 dBm is predicted at an optimal width of ~180 nm(More)
A single photon avalanche diode (SPAD) with an InGaAs absorption region, and an InAlAs avalanche region was designed and demonstrated to detect 1550 nm wavelength photons. The characterization included leakage current, dark count rate and single photon detection efficiency as functions of temperature from 210 to 294 K. The SPAD exhibited good temperature(More)
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