Frequency-bin entangled photons

被引：142

作者：

Olislager, L. ^{[1
]}

Cussey, J. ^{[2
]}

Nguyen, A. T. ^{[3
]}

Emplit, P. ^{[1
]}

Massar, S. ^{[4
]}

Merolla, J. -M. ^{[5
]}

Huy, K. Phan ^{[5
]}

机构：

[1] Univ Libre Bruxelles, Serv OPERA Photon, B-1050 Brussels, Belgium

[2] SmartQuantum SA, Espace Phoenix, FR-22560 Pleumeur Bodou, France

[3] Haute Ecole Lucia de Brouckere, Inst Meurice, Serv Phys & Elect, B-1070 Brussels, Belgium

[4] Univ Libre Bruxelles, Lab Informat Quant, B-1050 Brussels, Belgium

[5] Univ Franche Comte, Dept Opt PM Duffieux, Inst Franche Comte Elect Mecan Therm & Opt Sci &, CNRS,Unite Mixte Rech 6174, FR-25030 Besancon, France

来源：

PHYSICAL REVIEW A | 2010年 / 82卷 / 01期

关键词：

BELL INEQUALITY; QUANTUM; VIOLATION; ENERGY; PHASE;

D O I：

10.1103/PhysRevA.82.013804

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A monochromatic laser pumping a parametric down-conversion crystal generates frequency-entangled photon pairs. We study this experimentally by addressing such frequency-entangled photons at telecommunication wavelengths (around 1550 nm) with fiber-optics components such as electro-optic phase modulators and narrow-band frequency filters. The theory underlying our approach uses the notion of frequency-bin entanglement. Our results show that the phase modulators address coherently up to eleven frequency bins, leading to an interference pattern which can violate by more than five standard deviations a Bell inequality adapted to our setup.

引用

页数：7

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