Four-wave mixing: Photon statistics and the impact on a co-propagating quantum signal

被引:9
作者
Almeida, Alvaro J. [1 ,2 ]
Silva, Nuno A. [1 ,3 ]
Andre, Paulo S. [1 ,2 ]
Pinto, Armando N. [1 ,3 ]
机构
[1] Inst Telecomunicacoes, P-3810193 Aveiro, Portugal
[2] Univ Aveiro, Dept Phys, P-3810193 Aveiro, Portugal
[3] Univ Aveiro, Dept Elect Telecommun & Informat, P-3810193 Aveiro, Portugal
关键词
Photon statistics; Four-wave mixing; Maximum-likelihood estimation; Avalanche photodiodes; RECONSTRUCTION; PERFORMANCE; AMPLIFIER;
D O I
10.1016/j.optcom.2012.02.008
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We reconstruct the photon statistics of a single-photon source based on the stimulated four-wave mixing (FWM) process. We find that the statistics of the source goes from thermal, at a low power regime, to Poissonian, at a high power regime. We also study the impact of the FWM process on a co-propagating coherent quantum signal in a wavelength-division multiplexed (WDM) lightwave system. The statistics of the quantum signal changes from Poissonian to thermal when a low power is used, and remains Poissonian for a higher power. A multithermal regime is also observed when a moderate power is used. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码:2956 / 2960
页数:5
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