Naturally Phase-Matched Second-Harmonic Generation in a Whispering-Gallery-Mode Resonator

被引：238

作者：

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

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

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

Lassen, M. ^{[1
,4
]}

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

Marquardt, C. ^{[1
,2
]}

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

机构：

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

[2] Univ Erlangen Nurnberg, Dept Phys, D-8520 Erlangen, Germany

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

[4] Tech Univ Denmark, Dept Phys, Kongens Lyngby, Denmark

来源：

PHYSICAL REVIEW LETTERS | 2010年 / 104卷 / 15期

关键词：

SUB-2ND HARMONIC-GENERATION; NONEQUILIBRIUM TRANSITIONS;

D O I：

10.1103/PhysRevLett.104.153901

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We demonstrate for the first time natural phase matching for optical frequency doubling in a high-Q whispering-gallery-mode resonator made of lithium niobate. A conversion efficiency of 9% is achieved at 30 mu W in-coupled continuous wave pump power. The observed saturation pump power of 3.2 mW is almost 2 orders of magnitude lower than the state-of-the-art value. This suggests an application of our frequency doubler as a source of nonclassical light requiring only a low-power pump, which easily can be quantum noise limited. Our theoretical analysis of the three-wave mixing in a whispering-gallery-mode resonator provides the relative conversion efficiencies for frequency doubling in various modes.

引用

页数：4

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