Teleportation of a controlled-not gate for photon and electron-spin qubits assisted by the nitrogen-vacancy center

被引：0
|
作者：
Luo, Ming-Xing [1 ,2 ]
Li, Hui-Ran [1 ]
Wang, Xiaojun [3 ]
机构：
[1] Information Security and National Computing Grid Laboratory, Southwest Jiaotong University, Chengdu,610031, China
[2] State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing,100876, China
[3] School of Electronic Engineering, Dublin City University, Dublin 9, Ireland
来源：
Quantum Information and Computation | 2015年 / 15卷 / 15-16期
关键词：
CNOT gate - Controlled-NOT gates - Electron spin qubits - Electron spins - Nitrogen-vacancy center - Quantum dot - Remote CNOT gate - Spin systems - Spin-s systems - Teleportation;
D O I：
10.26421/qic15.15-16-9
中图分类号：
学科分类号：
摘要：
Teleportations of quantum gates are very important in the construction of quantum net-work and teleportation-based model of quantum computation. Assisted with nitrogen-vacancy centers, we propose several schemes to teleport the quantum CNOT gate. Deter-ministic CNOT gate may be implemented on a remote two-photon system, remote two electron-spin system, hybrid photon-spin system or hybrid spin-photon system. Each photon only interacts with one spin each time. Moreover, quantum channel may be constructed by all combinations of the photon or electron-spin entanglement, or their hybrid entanglement. Since these electron-spin systems have experimentally shown a long coherence time even at the room temperature, our schemes provide useful ways for long-distance quantum applications. © Rinton Press.
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页码：1397 / 1419
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