Loss of polarization entanglement in a fiber-optic system with polarization mode dispersion in one optical path

被引：60
|
作者：
Brodsky, Misha [1 ]
George, Elizabeth C. [1 ]
Antonelli, Cristian [2 ,3 ]
Shtaif, Mark [4 ]
机构：
[1] AT&T Labs, Middletown, NJ 07748 USA
[2] Univ Aquila, Dipartimento Ingn Elettr & Informaz, I-67040 Laquila, Italy
[3] Univ Aquila, CNISM, I-67040 Laquila, Italy
[4] Tel Aviv Univ, Dept Elect Engn, IL-69978 Tel Aviv, Israel
来源：
OPTICS LETTERS | 2011年 / 36卷 / 01期
关键词：
QUBITS; STATE;
D O I：
10.1364/OL.36.000043
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We characterize theoretically and experimentally the degradation of polarization entanglement in a fiber-optic entanglement distribution system where one of the optical fibers is exposed to the effects of polarization mode dispersion (PMD). We show gradual reduction of entanglement with increasing PMD and find that the highest PMD tolerance is achieved when the bandwidth of the pump used to generate the entangled photons in a chi((3)) process is approximately half the bandwidth of the quantum channels. (C) 2010 Optical Society of America
引用
收藏
页码：43 / 45
页数：3
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