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Near-field Levitated Quantum Optomechanics with Nanodiamonds: Strong Single-Photon Coupling at Room Temperature

zqyin 添加于 2015-5-14 09:52 | 1088 次阅读 | 0 个评论

作者
Juan ML, Molina-Terriza G, Volz T, Romero-Isart O
摘要
We show that the dipole force of an ensemble of quantum emitters embedded in a dielectric nanosphere can be exploited to achieve a strong single-photon quantum optomechanical coupling, in the resolved sideband regime and at room temperature, with experimentally feasible parameters. The key ingredient is that the polarizability from an ensemble of embedded quantum emitters can be larger than the bulk polarizability of the sphere, thereby enabling the use of repulsive optical potentials and consequently the levitation at near-fields. This allows to boost the single-photon coupling by combining larger polarizability to mass ratio, larger field gradients, and smaller cavity volumes. A case study is done with a nanodiamond containing a high-density of silicon-vacancy color centers that is optically levitated in the evanescent field of a high-finesse microsphere cavity.
详细资料
- 关键词: quant-ph; cond-mat.mes-hall
- 文献种类: Manual Script
- 期卷页: 2015年
- 日期: 2015-5-13
- 发布方式: arXiv e-prints
- 备注:arXiv:1505.03363v1; 10 pages (including supplementary material), 3+1 figures
学科领域自然科学 » 物理学
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