Photonics Research, 2020, 8 (2): 02000143, Published Online: Feb. 10, 2020   

Quantum nonreciprocality in quadratic optomechanics Download: 597次

Author Affiliations
1 Department of Applied Physics, East China Jiaotong University, Nanchang 330013, China
2 Faculty of Information Technology, College of Microelectronics, Beijing University of Technology, Beijing 100124, China
3 Center for Emergent Matter Science (CEMS), RIKEN, Wako, Saitama 351-0198, Japan
4 Key Laboratory of Low-Dimensional Quantum Structures and Quantum Control of Ministry of Education, Department of Physics and Synergetic Innovation Center for Quantum Effects and Applications, Hunan Normal University, Changsha 410081, China
5 Department of Physics, Zhejiang Sci-Tech University, Hangzhou 310018, China
6 e-mail:
7 e-mail:
We propose to achieve nonreciprocal quantum control of photons in a quadratic optomechanical (QOM) system based on directional nonlinear interactions. We show that by optically pumping the QOM system in one side, the effective QOM coupling can be enhanced significantly in that side, but not for the other side. This, contrary to the intuitive picture, allows the emergence of a nonreciprocal photon blockade in such optomechanical devices with weak single-photon QOM coupling. Our proposal opens up the prospect of exploring and utilizing quantum nonreciprocal optomechanics, with applications ranging from single-photon nonreciprocal devices to on-chip chiral quantum engineering.

Xunwei Xu, Yanjun Zhao, Hui Wang, Hui Jing, Aixi Chen. Quantum nonreciprocality in quadratic optomechanics[J]. Photonics Research, 2020, 8(2): 02000143.

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