Highly Efficient Single-Pass Source of Pulsed Single-Mode Twin Beams of Light

被引：189

作者：

Eckstein, Andreas ^{[1
]}

Christ, Andreas ^{[1
,2
]}

Mosley, Peter J. ^{[1
]}

Silberhorn, Christine ^{[1
,2
]}

机构：

[1] Max Planck Inst Sci Light, D-91054 Erlangen, Germany

[2] Univ Paderborn, D-33098 Paderborn, Germany

来源：

PHYSICAL REVIEW LETTERS | 2011年 / 106卷 / 01期

关键词：

WAVE-GUIDE; SQUEEZED STATES; GENERATION;

D O I：

10.1103/PhysRevLett.106.013603

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report the realization of a bright ultrafast type II parametric down-conversion source of twin beams free of any spatiotemporal correlations in a periodically poled KTiOPO4 (PP-KTP) waveguide. From a robust, single-pass setup it emits pulsed two-mode squeezed vacuum states: photon-number entangled pairs of single-mode pulses or, in terms of continuous variables quantum optics, pulsed Einstein-Podolsky-Rosen states in the telecom wavelength regime. We verify the single-mode character of our source by measuring Glauber correlation functions g((2)) and demonstrate with a pump energy as low as 75 pJ per pump pulse a mean photon number of 2.5.

引用

页数：4

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