Theory of control of optomechanical transducers for quantum networks

Fang-Yu Hong, Yang Xiang, W. H. Tang, Zhi-Yan Zhu, Li-zhen Jiang, and Liang-neng Wu

Phys. Rev. A 85, 012309 – Published 10 January 2012

Abstract

We present a scheme of control for the arbitrary optical interface mediated by a nanoscale mechanical oscillator between flying qubits and optical nonactive solid-state qubits. This quantum interface lays the foundation for many key functions of a quantum network, such as transferring, swapping, and entangling qubits between distant nodes of a quantum network. Numerical simulations of the quantum interface operations show high fidelities and robust tolerance under realistic experimental conditions. Compared with a previous scheme [K. Stannigel et al., Phys. Rev. Lett. 105, 220501 (2010)], it may significantly increase the speed of state transfer operation of high fidelity.

Received 17 May 2011

DOI:https://doi.org/10.1103/PhysRevA.85.012309

Authors & Affiliations

Fang-Yu Hong¹, Yang Xiang², W. H. Tang¹, Zhi-Yan Zhu¹, Li-zhen Jiang³, and Liang-neng Wu⁴

¹Department of Physics, Center for Optoelectronics Materials and Devices, Zhejiang Sci-Tech University, Hangzhou, Zhejiang 310018, China
²School of Physics and Electronics, Henan University, Kaifeng, Henan 475004, China
³College of Information and Electronic Engineering, Zhejiang Gongshang University, Hangzhou, Zhejiang 310018, China
⁴College of Science, China Jiliang University, Hangzhou, Zhejiang 310018, China

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Vol. 85, Iss. 1 — January 2012

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