Optical detection of an ensemble of C centres in diamond and their coherent control by an ensemble of NV centres

被引：4

作者：

Rubinas, O. R. ^{[1
,2
,3
,4
]}

Soshenko, V. V. ^{[2
,4
]}

Bolshedvorskii, S., V ^{[2
,4
]}

Cojocaru, I. S. ^{[2
,3
]}

Zeleneev, A., I ^{[1
]}

Vorobyov, V. V. ^{[5
]}

Sorokin, V. N. ^{[1
,2
]}

Vins, V. G. ^{[6
]}

Smolyaninov, A. N. ^{[4
]}

Akimov, A., V ^{[4
,7
,8
]}

机构：

[1] Natl Res Univ, Moscow Inst Phys & Technol, Inst Skii 9, Dolgoprudnyi 141701, Moscow Region, Russia

[2] Russian Acad Sci, Lebedev Phys Inst, Leninsky Prosp 53, Moscow 119991, Russia

[3] Russian Quantum Ctr, Ul Novaya 100A, Moscow 143025, Russia

[4] LLC Sensor Spin Technol, Ul Nobelya 7, Moscow 121205, Russia

[5] Univ Stuttgart, Keplerstr 7, D-70049 Stuttgart, Germany

[6] LLC Velman, Ul Zelenaya Gorka 1-3, Novosibirsk 630060, Russia

[7] Texas A&M Univ, 4242 TAMU, College Stn, TX USA

[8] Russian Quantum Ctr, Ul Novaya 100 A, Moscow 143025, Russia

来源：

QUANTUM ELECTRONICS | 2021年 / 51卷 / 10期

基金：

俄罗斯科学基金会; 俄罗斯基础研究基金会;

关键词：

NV centre; C centre; diamond; optically detected magnetic resonance; spin echo; Rabi oscillations; double electron - electron resonance;

D O I：

10.1070/QEL17624

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The nature of decoherence in a diamond plate that is most optimal for magnetometry (i.e., a plate with compromise values of concentration and coherence time of NV centres) is investigated in detail. The concentration of C centres, which serve as donors for the formation of NV centres and at the same time limit their coherence time, is measured in this plate. The ensemble of NV centres in diamond is used as a sensing element, which makes it possible to record the coherence dynamics and concentration of C centres. The recording is performed using the double electron - electron resonance technique. Its significant advantage over IR spectroscopy, which yields some averaged concentration of defects in diamond, is the possibility of measuring locally the concentration of C centres. The method proposed by us yields a value of 50.1 +/- 1.4 ppm for the C-centre concentration, which refines the IR spectroscopy data (57.5 +/- 4.8 ppm).

引用

页码：938 / 946

页数：9

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