Autonomous Stabilization of Fock States in an Oscillator against Multiphoton Losses

Li，Sai1,2,3; Ni，Zhongchu1,2,3,4; Zhang，Libo1,2,3; Cai，Yanyan1,2,3; Mai，Jiasheng1,2,3; Wen，Shengcheng1,2,3; Zheng，Pan1,2,3; Deng，Xiaowei1,2,3; Liu，Song1,2,3,5; Xu，Yuan1,2,3,5; Yu，Dapeng1,2,3,4,5

2024-05-17

10.1103/PhysRevLett.132.203602

Physical Review Letters   影响因子和分区

0031-9007

1079-7114

Fock states with a well-defined number of photons in an oscillator have shown a wide range of applications in quantum information science. Nonetheless, their usefulness has been marred by single and multiphoton losses due to unavoidable environment-induced dissipation. Though several dissipation engineering methods have been developed to counteract the leading single-photon-loss error, averting multiple-photon losses remains elusive. Here, we experimentally demonstrate a dissipation engineering method that autonomously stabilizes multiphoton Fock states against losses of multiple photons using a cascaded selective photon-addition operation in a superconducting quantum circuit. Through measuring the photon-number populations and Wigner tomography of the oscillator states, we observe a prolonged preservation of nonclassical Wigner negativities for the stabilized Fock states |N

SCI ; EI

英语

第一 ; 通讯

PHYSICS

2-s2.0-85193214923

Scopus

1.Shenzhen Institute for Quantum Science and Engineering,Southern University of Science and Technology,Shenzhen,518055,China
2.International Quantum Academy,Shenzhen,518048,China
3.Guangdong Provincial Key Laboratory of Quantum Science and Engineering,Southern University of Science and Technology,Shenzhen,518055,China
4.Department of Physics,Southern University of Science and Technology,Shenzhen,518055,China
5.Shenzhen Branch,Hefei National Laboratory,Shenzhen,518048,China

Li，Sai,Ni，Zhongchu,Zhang，Libo,et al. Autonomous Stabilization of Fock States in an Oscillator against Multiphoton Losses[J]. Physical Review Letters,2024,132(20).

Li，Sai.,Ni，Zhongchu.,Zhang，Libo.,Cai，Yanyan.,Mai，Jiasheng.,...&Yu，Dapeng.(2024).Autonomous Stabilization of Fock States in an Oscillator against Multiphoton Losses.Physical Review Letters,132(20).

Li，Sai,et al."Autonomous Stabilization of Fock States in an Oscillator against Multiphoton Losses".Physical Review Letters 132.20(2024).