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

来源：

OPTICS COMMUNICATIONS | 2012年 / 285卷 / 12期

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

页码：2956 / 2960

页数：5

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