Nonlinear optics with less than one photon

被引：36

作者：

Resch, KJ ^{[1
]}

Lundeen, JS ^{[1
]}

Steinberg, AM ^{[1
]}

机构：

[1] Univ Toronto, Dept Phys, Toronto, ON M5S 1A7, Canada

来源：

PHYSICAL REVIEW LETTERS | 2001年 / 87卷 / 12期

关键词：

D O I：

10.1103/PhysRevLett.87.123603

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We demonstrate suppression and enhancement of spontaneous parametric down-conversion via quantum interference with two weak fields from a local oscillator (LO). Effectively, pairs of LO photons up-convert with high efficiency for appropriate phase settings, exhibiting an effective nonlinearity enhanced by at least 10 orders of magnitude. This constitutes a two-photon switch and promises to be applicable to a wide variety of quantum nonlinear optical phenomena.

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页码：1 / 123603

页数：4

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