Entanglement-induced two-photon transparency

被引：153

作者：

Fei, HB

Jost, BM

Popescu, S

Saleh, BEA

Teich, MC

机构：

[1] Quantum Optics Laboratory, Department of Electrical and Computer Engineering, Boston University, Boston, MA

来源：

PHYSICAL REVIEW LETTERS | 1997年 / 78卷 / 09期

关键词：

D O I：

10.1103/PhysRevLett.78.1679

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The rate of absorption of entangled photon pairs is linear in the photon-flux density. We demonstrate that the two-photon absorption cross section :is a nonmonotonic function of the entanglement time; it vanishes for certain energy-level configurations and values of the: entanglement time. This entanglement-induced two-photon transparency arises from the coherent summation of transition-amplitude contributions over the finite entanglement time. As an example, the entangled two-photon cross section for the 1S-2S electronic transition in atomic hydrogen is obtained.

引用

页码：1679 / 1682

页数：4

共 29 条

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