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Optically Self-Balanced InGaAs–InP Avalanche Photodiode for Infrared Single-Photon Detection

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4 Author(s)
Yi Jian ; State key laboratory of precision spectroscopy, East China Normal University, Shanghai, P.R. China ; E. Wu ; Guang Wu ; Heping Zeng

We demonstrated a robust noise cancellation by using an optical self-differential technique for the near-infrared single-photon detection based on an InGaAs-InP avalanche photodiode, which enabled 31-dB suppression of the spike noise, resulting in a detection efficiency of 22.4% with an afterpulse probability of 2.4% at the gating frequency of 25 MHz. This technique may provide a promising way for high-efficiency and low-noise fast detection of infrared single photons.

Published in:

IEEE Photonics Technology Letters  (Volume:22 ,  Issue: 3 )