Dressed-State Resonant Coupling between Bright and Dark Spins in Diamond

被引：72

作者：

Belthangady, C. ^{[1
,2
]}

Bar-Gill, N. ^{[1
,2
]}

Pham, L. M. ^{[3
]}

Arai, K. ^{[4
]}

Le Sage, D. ^{[1
,2
]}

Cappellaro, P. ^{[5
]}

Walsworth, R. L. ^{[1
,2
]}

机构：

[1] Harvard Smithsonian Ctr Astrophys, Cambridge, MA 02138 USA

[2] Harvard Univ, Dept Phys, Cambridge, MA 02138 USA

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

[4] MIT, Dept Phys, Cambridge, MA 02139 USA

[5] MIT, Nucl Sci & Engn Dept, Cambridge, MA 02139 USA

来源：

PHYSICAL REVIEW LETTERS | 2013年 / 110卷 / 15期

基金：

美国国家科学基金会;

关键词：

SINGLE; MAGNETOMETRY; DYNAMICS; BATH;

D O I：

10.1103/PhysRevLett.110.157601

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Under ambient conditions, spin impurities in solid-state systems are found in thermally mixed states and are optically "dark"; i.e., the spin states cannot be optically controlled. Nitrogen-vacancy (NV) centers in diamond are an exception in that the electronic spin states are "bright"; i.e., they can be polarized by optical pumping, coherently manipulated with spin-resonance techniques, and read out optically, all at room temperature. Here we demonstrate a scheme to resonantly couple bright NV electronic spins to dark substitutional-nitrogen (P1) electronic spins by dressing their spin states with oscillating magnetic fields. This resonant coupling mechanism can be used to transfer spin polarization from NV spins to nearby dark spins and could be used to cool a mesoscopic bath of dark spins to near-zero temperature, thus providing a resource for quantum information and sensing, and aiding studies of quantum effects in many-body spin systems. DOI: 10.1103/PhysRevLett.110.157601

引用

页数：5

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