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Improved free-running InGaAs/InP single-photon avalanche diode detectors operating at room temperature

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3 Author(s)
Warburton, R.E. ; Sch. of Eng. & Phys. Sci., Heriot-Watt Univ., Edinburgh, UK ; Itzler, M.A. ; Buller, G.S.

Room-temperature operation of InGaAs/InP single-photon avalanche diode detectors operating in free-running mode, with no electrical gating, is demonstrated. An improved design of device structure permitted significantly lower dark count rates than previously reported. Free-running operation at room temperature using an incident wavelength of 1550 nm gave a noise equivalent power of 1.5 10-15 WHz-1/2 with improved photon timing jitter.

Published in:

Electronics Letters  (Volume:45 ,  Issue: 19 )