Quantum information processing in decoherence-free subspace with nitrogen-vacancy centers coupled to a whispering-gallery mode microresonator

被引：21

作者：

Liu, A-Peng ^{[1
]}

Cheng, Liu-Yong ^{[2
]}

Chen, Li ^{[2
]}

Su, Shi-Lei ^{[2
]}

Wang, Hong-Fu ^{[1
]}

Zhang, Shou ^{[1
]}

机构：

[1] Yanbian Univ, Coll Sci, Dept Phys, Yanji 133002, Jilin, Peoples R China

[2] Harbin Inst Technol, Dept Phys, Ctr Condensed Matter Sci & Technol, Harbin 150001, Heilongjiang, Peoples R China

来源：

OPTICS COMMUNICATIONS | 2014年 / 313卷

关键词：

Nitrogen-vacancy center; Decoherence-free subspace; Entanglement generation; Quantum state transfer; SINGLE SPINS; FREE STATES; ONE-ATOM; DIAMOND; ENTANGLEMENT; POLARIZATION; GENERATION; MICROCAVITY; COMPUTATION; COHERENCE;

D O I：

10.1016/j.optcom.2013.10.032

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We investigate the input-output process with nitrogen-vacancy (NV) centers fixed on the surface of microtoroidal resonators (MTRs) with quantized whispering-gallery modes (WGMs). We demonstrate a photon-NV hybrid controlled phase flip (CPF) gate in decoherence-free subspace (DFS) with the inputoutput process. Efficient schemes of entanglement generation and quantum state transfer (QST) in DES are proposed. Our schemes removed the requirements of high-Q and strongly coupling for the physical systems, and DES encoding makes our schemes immune to collective dephasing. The experimental feasibility and challenge are discussed by considering the current experimental technology. (c) 2013 Elsevier B.V. All rights reserved

引用

页码：180 / 185

页数：6

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