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