Controlled Photon Switch Assisted by Coupled Quantum Dots

被引：4
|
作者：
Luo, Ming-Xing [1 ,3 ]
Ma, Song-Ya [2 ]
Chen, Xiu-Bo [3 ]
Wang, Xiaojun [4 ]
机构：
[1] Southwest Jiaotong Univ, Informat Secur & Natl Comp Grid Lab, Chengdu 610031, Peoples R China
[2] Henan Univ, Sch Math & Stat, Kaifeng 475004, Peoples R China
[3] Beijing Univ Posts & Telecommun, State Key Lab Networking & Switching Technol, Beijing 100876, Peoples R China
[4] Dublin City Univ, Sch Elect Engn, Dublin 9, Ireland
来源：
SCIENTIFIC REPORTS | 2015年 / 5卷
基金：
中国国家自然科学基金; 爱尔兰科学基金会;
关键词：
PHASE SWITCH; ATOM; COMPUTATION; ENTANGLEMENT; GENERATION; LIGHT; PAIRS; CHIP;
D O I：
10.1038/srep11169
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Quantum switch is a primitive element in quantum network communication. In contrast to previous switch schemes on one degree of freedom (DOF) of quantum systems, we consider controlled switches of photon system with two DOFs. These controlled photon switches are constructed by exploring the optical selection rules derived from the quantum-dot spins in one-sided optical microcavities. Several double controlled-NOT gate on different joint systems are greatly simplified with an auxiliary DOF of the controlling photon. The photon switches show that two DOFs of photons can be independently transmitted in quantum networks. This result reduces the quantum resources for quantum network communication.
引用
收藏
页数：13
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