A single nitrogen-vacancy defect coupled to a nanomechanical oscillator

被引：2

作者：

Arcizet, O. ^{[1
,2
]}

Jacques, V. ^{[3
]}

Siria, A. ^{[4
]}

Poncharal, P. ^{[4
]}

Vincent, P. ^{[4
]}

Seidelin, S. ^{[1
,2
]}

机构：

[1] CNRS, Inst Neel, F-38042 Grenoble 09, France

[2] Univ Grenoble 1, F-38042 Grenoble 09, France

[3] Lab Photon Quant & Mol, F-94235 Cachan, France

[4] Univ Lyon 1, CNRS, Lab Phys Matiere Condensee & Nanostruct, F-69622 Villeurbanne, France

来源：

NATURE PHYSICS | 2011年 / 7卷 / 11期

关键词：

QUANTUM GROUND-STATE; CAVITY OPTOMECHANICS; MAGNETIC-RESONANCE; NUCLEAR-SPIN; DIAMOND; PHOTON; ENTANGLEMENT; MICROSCOPY; COHERENCE; CENTERS;

D O I：

10.1038/NPHYS2070

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We position a single nitrogen-vacancy (NV) centre hosted in a diamond nanocrystal at the extremity of a SiC nanowire. This novel hybrid system couples the degrees of freedom of two radically different systems: a nanomechanical oscillator and a single quantum object. We probe the dynamics of the nano-resonator through time-resolved nanocrystal fluorescence and photon-correlation measurements, conveying the influence of a mechanical degree of freedom on a non-classical photon emitter. Moreover, by immersing the system in a strong magnetic field gradient, we induce a magnetic coupling between the nanomechanical oscillator and the NV electronic spin, providing nanomotion readout through a single electronic spin. Spin-dependent forces inherent to this coupling scheme are essential in a variety of active cooling and entanglement protocols used in atomic physics, and should now be within the reach of nanomechanical hybrid systems.

引用

页码：879 / 883

页数：5

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