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A genuine quantum router for microwave photons

ORAL

Abstract

A quantum router uses a control qubit to direct the signal qubit to a certain address, which could take a quantum superposition depending on the quantum state of the control qubit. As the elementary building block of a quantum network and a quantum random access memory, the development of a quantum router may accelerate many research fields like quantum entanglement distribution and quantum machine learning. In recent years, many attempts have been made to realize a quantum router in the optical domain. In this talk, I will introduce our experiments of realizing a genuine quantum router in the microwave domain based on superconducting circuit quantum electrodynamics system and demonstrate the coherent routing of a microwave quantum state with high fidelity using a transmon qubit.

Presenters

  • Zhiling Wang

    Institute for Interdisciplinary Information Sciences, Tsinghua University, Tsinghua University

Authors

  • Zhiling Wang

    Institute for Interdisciplinary Information Sciences, Tsinghua University, Tsinghua University

  • Zenghui Bao

    Tsinghua University

  • Yukai Wu

    Center for Quantum Information, Tsinghua University, Tsinghua University

  • Hongyi Zhang

    Institute for Interdisciplinary Information Sciences, Tsinghua University, Tsinghua University

  • Yipu Song

    Institute for Interdisciplinary Information Sciences, Tsinghua University, Tsinghua University, Center for Quantum Information, Institute for Interdisciplinary Information Sciences, Tsinghua University

  • Luming Duan

    Center for Quantum Information , IIIS, Tsinghua University, Tsinghua University, Institute for Interdisciplinary Information Sciences, Tsinghua University, Center for Quantum Information, IIIS, Tsinghua University, Beijing 100084, P. R. China, Center for Quantum Information, IIIS, Tsinghua University, Center for Quantum Information, Tsinghua University