Quantum Light from a Whispering-Gallery-Mode Disk Resonator

被引：131

作者：

Fuerst, J. U. ^{[1
,2
]}

Strekalov, D. V. ^{[1
,3
]}

Elser, D. ^{[1
,2
]}

Aiello, A. ^{[1
,2
]}

Andersen, U. L. ^{[1
,4
]}

Marquardt, Ch ^{[1
,2
]}

Leuchs, G. ^{[1
,2
]}

机构：

[1] Max Planck Inst Sci Light, Erlangen, Germany

[2] Univ Erlangen Nurnberg, Dept Phys, Erlangen, Germany

[3] CALTECH, Jet Prop Lab, Pasadena, CA USA

[4] Tech Univ Denmark, Dept Phys, DK-2800 Lyngby, Denmark

来源：

PHYSICAL REVIEW LETTERS | 2011年 / 106卷 / 11期

关键词：

OPTICAL PARAMETRIC OSCILLATOR; SINGLE-BEAM NOISE; TWIN BEAMS; NONDEGENERATE; GENERATION; REDUCTION; PHASE;

D O I：

10.1103/PhysRevLett.106.113901

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Optical parametric down-conversion has proven to be a valuable source of nonclassical light. The process is inherently able to produce twin-beam correlations along with individual intensity squeezing of either parametric beam, when pumped far above threshold. Here, we present for the first time the direct observation of intensity squeezing of -1.2 dB of each of the individual parametric beams in parametric down-conversion by use of a high quality whispering-gallery-mode disk resonator. In addition, we observed twin-beam quantum correlations of -2.7 dB with this cavity. Such resonators feature strong optical confinement and offer tunable coupling to an external optical field. This work exemplifies the potential of crystalline whispering-gallery-mode resonators for the generation of quantum light. The simplicity of this device makes the application of quantum light in various fields highly feasible.

引用

页数：4

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