Sensing Distant Nuclear Spins with a Single Electron Spin

被引：177
作者：
Kolkowitz, Shimon [1 ]
Unterreithmeier, Quirin P. [1 ]
Bennett, Steven D. [1 ]
Lukin, Mikhail D. [1 ]
机构：
[1] Harvard Univ, Dept Phys, Cambridge, MA 02138 USA
来源：
PHYSICAL REVIEW LETTERS | 2012年 / 109卷 / 13期
基金：
美国国家科学基金会;
关键词：
SOLID-STATE SPIN; COHERENT DYNAMICS; READOUT; QUBITS;
D O I：
10.1103/PhysRevLett.109.137601
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We experimentally demonstrate the use of a single electronic spin to measure the quantum dynamics of distant individual nuclear spins from within a surrounding spin bath. Our technique exploits coherent control of the electron spin, allowing us to isolate and monitor nuclear spins weakly coupled to the electron spin. Specifically, we detect the evolution of distant individual C-13 nuclear spins coupled to single nitrogen vacancy centers in a diamond lattice with hyperfine couplings down to a factor of 8 below the electronic spin bare dephasing rate. Potential applications to nanoscale magnetic resonance imaging and quantum information processing are discussed.
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页数：5
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