Quantum metrology with a single spin-3/2 defect in silicon carbide

被引：37

作者：

Soykal, O. O. ^{[1
]}

Reinecke, T. L. ^{[1
]}

机构：

[1] Naval Res Lab, Washington, DC 20375 USA

来源：

PHYSICAL REVIEW B | 2017年 / 95卷 / 08期

关键词：

AMBIENT CONDITIONS; ROOM-TEMPERATURE; COHERENT CONTROL; DIAMOND SPINS; QUBITS; DONOR; FIELD;

D O I：

10.1103/PhysRevB.95.081405

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We show that implementations for quantum sensing with exceptional sensitivity and spatial resolution can be made using spin-3/2 semiconductor defect states. We illustrate this using the silicon monovacancy deep center in hexagonal SiC based on our rigorous derivation of this defect's ground state and of its electronic and optical properties. For a single V-Si(-) defect, we obtain magnetic field sensitivities capable of detecting individual nuclear magnetic moments. We also show that its zero-field splitting has an exceptional strain and temperature sensitivity within the technologically desirable near-infrared window of biological systems. The concepts and sensing schemes developed here are applicable to other point defects with half spin multiplet (S >= 3/2) configurations.

引用

页数：5

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