Efficient, Uniform, and Large Area Microwave Magnetic Coupling to NV Centers in Diamond Using Double Split-Ring Resonators

被引：102

作者：

Bayat, Khadijeh ^{[1
]}

Choy, Jennifer ^{[1
]}

Baroughi, Mahdi Farrokh ^{[2
]}

Meesala, Srujan ^{[1
]}

Loncar, Marko ^{[1
]}

机构：

[1] Harvard Univ, Sch Engn & Appl Sci, Cambridge, MA 02138 USA

[2] S Dakota State Univ, Dept Elect Engn & Comp Sci, Brookings, SD 57007 USA

来源：

NANO LETTERS | 2014年 / 14卷 / 03期

基金：

加拿大自然科学与工程研究理事会;

关键词：

Diamond; nitrogen vacancy; spintronics; electron spin resonance; magnetic resonance; microwave resonator; SPIN;

D O I：

10.1021/nl404072s

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We report on the development and utilization of a double split-ring microwave resonator for uniform and efficient coupling of microwave magnetic field into nitrogen-vacancy (NV) centers in a diamond over a mm(2) area. Uniformity and magnitude of delivered microwave field were measured using the Rabi nutation experiment on arrays of diamond nanowires with ensemble NV centers. An average Rabi nutation frequency of 15.65 MHz was measured over an area of 0.95 x 1.2 mm, for an input microwave power of 0.5 W. By mapping the Rabi nutation frequency to the magnetic field, the average value of the magnetic field over the aforementioned area and input microwave power was 5.59 G with a standard division of 0.24 G.

引用

页码：1208 / 1213

页数：6

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