Cryogenic properties of optomechanical silica microcavities

被引：53

作者：

Arcizet, O. ^{[1
]}

Riviere, R. ^{[1
]}

Schliesser, A. ^{[1
]}

Anetsberger, G. ^{[1
]}

Kippenberg, T. J. ^{[1
,2
]}

机构：

[1] Max Planck Inst Quantum Opt, D-85748 Garching, Germany

[2] Ecole Polytech Fed Lausanne, CH-1015 Lausanne, Switzerland

来源：

PHYSICAL REVIEW A | 2009年 / 80卷 / 02期

关键词：

VITREOUS SILICA; RESONATORS;

D O I：

10.1103/PhysRevA.80.021803

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report the study of the optical and mechanical properties of high-Q fused silica microtoroidal resonators at cryogenic temperatures (down to 1.6 K). A thermally induced optical multistability is observed and theoretically described, originating from the reverse thermally induced optical frequency shift. Moreover the influence of structural defect states (two level fluctuators) on their mechanical properties is observed and probed at an unprecedentedly achieved low phonon number. The resulting implications for cavity optomechanics and studies of mechanical decoherence are also discussed.

引用

页数：4

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