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 Single-photon source using stimulated FWM in optical fibers for quantum communication
Please use this identifier to cite or link to this item http://hdl.handle.net/10773/5965

title: Single-photon source using stimulated FWM in optical fibers for quantum communication
authors: Almeida, Álvaro J.
Silva, Nuno A.
Muga, Nelson J.
Pinto, Armando N.
keywords: Single-Photon Source
Stimulated Four-Wave Mixing
Polarization-Encoding
Quantum Communication
Optical fibers
Avalanche Photodiode
issue date: 2011
publisher: International Society for Optical Engineering
abstract: A single-photon source based on the stimulated four-wave mixing (SFWM) process in optical fibers is presented. At the output of the source, the state of polarization (SOP) of the photons can be adjusted in order to obtain any linear polarization. A theoretical model to describe the average photon counts recorded in the avalanche photodiodes (APDs) is presented. The experimental results show an accurate detection of two non-orthogonal linear SOPs after propagation through a 60 km quantum channel, and good agreement with theory. This source, operating in a low power regime, can be used for quantum key distribution (QKD) using polarization-encoding in quantum communications.
URI: http://hdl.handle.net/10773/5965
ISSN: 0277-786X
publisher version/DOI: http://dx.doi.org/10.1117/12.891915
source: International Conference on Applications of Optics and Photonics
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