Multi-gigahertz photon counting using InGaAs APDs

Z. L. Yuan; A. W. Sharpe; J. F. Dynes; A. R. Dixon; A. J. Shields

doi:10.1364/QELS.2010.QThD3

Conference on Lasers and Electro-Optics 2010
OSA Technical Digest (CD) (Optica Publishing Group, 2010),
paper QThD3
•https://doi.org/10.1364/QELS.2010.QThD3

Multi-gigahertz photon counting using InGaAs APDs

Z. L. Yuan, A. W. Sharpe, J. F. Dynes, A. R. Dixon, and A. J. Shields

Quantum Electronics and Laser Science Conference 2010

San Jose, California United States
16–21 May 2010
ISBN: 978-1-55752-889-6

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Photodetection in Quantum Communication (QThD)

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Z. L. Yuan, A. W. Sharpe, J. F. Dynes, A. R. Dixon, and A. J. Shields, "Multi-gigahertz photon counting using InGaAs APDs," in Conference on Lasers and Electro-Optics 2010, OSA Technical Digest (CD) (Optica Publishing Group, 2010), paper QThD3.

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Abstract

We demonstrate multi-gigahertz photon-counting at 1550nm using self-differencing In-GaAs APDs. The quantum efficiency is characterized as 23.5% at an afterpulse probability of 4.84%. The device will further increase the bit-rate for fiber quantum key distribution.

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