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Signal transduction and conversion with color centers in diamond and piezo-elements

zqyin 添加于 2014-4-28 09:44 | 1480 次阅读 | 0 个评论

作者
Cai J, Jelezko F, Plenio MB
摘要
The ability to measure weak signals such as pressure, force, electric field, and temperature with nanoscale devices and high spatial resolution offers a wide range of applications in fundamental and applied sciences. Here we present a proposal for a hybrid device composed of thin film layers of diamond with color centers implanted and piezo-active elements for the transduction and measurement of a wide variety of physical signals. The magnetic response of a piezomagnetic layer to an external stress or a stress induced by the change of electric field and temperature is shown to affect significantly the spin properties of nitrogen-vacancy centers in diamond. Under ambient conditions, realistic environmental noise and material imperfections, our detailed numerical studies show that this hybrid device can achieve significant improvements in sensitivity over the pure diamond based approach in combination with nanometer scale spatial resolution. Beyond its applications in quantum sensing the proposed hybrid architecture offers novel possibilities for engineering strong coherent couplings between nanomechanical oscillator and solid state spin qubits.
详细资料
- 关键词: quant-ph; cond-mat.mes-hall
- 文献种类: Manual Script
- 期卷页: 2014年
- 日期: 2014-4-25
- 发布方式: arXiv e-prints
- 备注:arXiv:1404.6393v1; Originally submitted version, 6 pages + 4 pages Supplementary Information
学科领域自然科学 » 物理学
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