Franson Interference Generated by a Two-Level System

被引：35

作者：

Peiris, M. ^{[1
]}

Konthasinghe, K. ^{[1
]}

Muller, A. ^{[1
]}

机构：

[1] Univ S Florida, Dept Phys, Tampa, FL 33620 USA

来源：

PHYSICAL REVIEW LETTERS | 2017年 / 118卷 / 03期

基金：

美国国家科学基金会;

关键词：

RESONANCE FLUORESCENCE TRIPLET; ENTANGLED PHOTONS; QUANTUM CRYPTOGRAPHY; BELL INEQUALITY; EXPERIMENTAL REALIZATION; SIDE-BAND; TIME; STATE; VIOLATION; DOT;

D O I：

10.1103/PhysRevLett.118.030501

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report a Franson interferometry experiment based on correlated photon pairs generated via frequency-filtered scattered light from a near-resonantly driven two-level semiconductor quantum dot. In contrast to spontaneous parametric down-conversion and four-wave mixing, this approach can produce single pairs of correlated photons. We have measured a Franson visibility as high as 66%, which goes beyond the classical limit of 50% and approaches the limit of violation of Bell's inequalities (70.7%).

引用

页数：5

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