title: Continuous variable quantum optical simulation for time evolution of quantum harmonic oscillators.
abstract: Quantum simulation enables one to mimic the evolution of other quantum systems using a controllable quantum system. Quantum harmonic oscillator (QHO) is one of the most important model systems in quantum physics. To observe the transient dynamics of a QHO with high oscillation frequency directly is difficult. We experimentally simulate the transient behaviors of QHO in an open system during time evolution with an optical mode and a logical operation system of continuous variable quantum computation. The time evolution of an atomic ensemble in the collective spontaneous emission is analytically simulated by mapping the atomic ensemble onto a QHO. The measured fidelity, which is used for quantifying the quality of the simulation, is higher than its classical limit. The presented simulation scheme provides a new tool for studying the dynamic behaviors of QHO.
authors.affiliation: State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Opto-Electronics, Shanxi University, Taiyuan 030006, China.|Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan 030006, China.
authors.forename: Xiaowei
authors.initials: X
authors.lastname: Deng
authors.affiliation: State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Opto-Electronics, Shanxi University, Taiyuan 030006, China.|Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan 030006, China.
authors.forename: Shuhong
authors.initials: S
authors.lastname: Hao
authors.affiliation: State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Opto-Electronics, Shanxi University, Taiyuan 030006, China.|College of Physical Science and Technology, Central China Normal University, Wuhan 430079, China.
authors.forename: Hong
authors.initials: H
authors.lastname: Guo
authors.affiliation: State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Opto-Electronics, Shanxi University, Taiyuan 030006, China.|Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan 030006, China.
authors.forename: Changde
authors.initials: C
authors.lastname: Xie
authors.affiliation: State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Opto-Electronics, Shanxi University, Taiyuan 030006, China.|Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan 030006, China.
authors.forename: Xiaolong
authors.initials: X
authors.lastname: Su