Jia-yang Chen, Y. Sua, Zitong Zhao, Mo Li, Yu-Ping Huang
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On-Chip Demonstration of Interaction-free Quantum Switching
Quantum Zeno blockade allows all-optical switching in a counterintuitive “interaction-free” manner. Using a lithium-niobate microdisk cavity nanofabricated on chip, we have observed phase matched sum-frequency generation and interaction-free switching between optical pulses in two tightly confined whispering-gallery modes. We have also verified that our device is suitable for nonlinear operations in a single-photon regime. Our results point to a scalable, chip-integrated platform for nonlinear optics extendable to the quantum regime.
期刊介绍：
Nonlinear Optics and Quantum Optics publishes primary papers reporting original research, review articles and rapid communications. The journal is divided into four main sections: 1. Principles: covering studies into the fundamental theoretical understanding of the origins and mechanisms of nonlinear optical processes; theoretical studies of application of controlled optical field to quantum information processing including quantum communication and computation and fundamental problems of quantum mechanics related to quantum information processing.
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