基于蒙特卡罗方法的冷原子干涉仪物理仿真

doi:10.3969/j.issn.1674-5558.2020.h4.025

导航与控制 ›› 2020, Vol. 19 ›› Issue (4/5): 216-222.doi: 10.3969/j.issn.1674-5558.2020.h4.025

基于蒙特卡罗方法的冷原子干涉仪物理仿真

黄晨, 陈福胜

华中光电技术研究所武汉光电国家研究中心,武汉 430223

收稿日期:2020-03-17 出版日期:2020-10-05 发布日期:2020-12-22
通讯作者: 陈福胜,男,博士,研究员/博士生导师,研究方向为光电装备技术、导航控制技术。任武汉光电国家实验室副理事长、湖北光学学会理事长、军用光电子行业学科带头人,任国防科工局、总装、海军光电子技术专家组成员,享国务院政府特殊津贴。2006年入选湖北省新世纪高层次人才,2007年获“国家高技术武器装备建设工程突出贡献”银质奖章(为本文通信作者,E-mail:hurricane06@163.com)。
作者简介:黄晨,男,博士,工程师,研究方向为原子分子物理、冷原子干涉仪理论。博士期间,主要从事原子-腔系统中系统的自发辐射与放大效应以及原子-光子-库系统中压缩与纠缠态的研究,2017年开始对静态及动态情形下冷原子干涉仪中的基本物理机制进行研究,以第一作者在《Optics Express》期刊上发表论文两篇。

Monte-Carlo Based Numerical Simulation of the Cold Atom Interferometry

HUANG Chen, CHEN Fu-sheng

Wuhan National Laboratory for Optoelectronics, Huazhong Institute of Electro-optics, Wuhan 430223

Received:2020-03-17 Online:2020-10-05 Published:2020-12-22

摘要/Abstract

摘要： 由于现有的噪声分析方法无法很好地评估在复杂环境下冷原子干涉仪的输出特性,本文提出了一种新的冷原子干涉仪仿真方法,可以模拟大动态条件下各项噪声及其之间的耦合对冷原子干涉仪的影响。利用单粒子波包演化的处理方式对冷原子干涉仪进行全过程物理建模,并采取蒙特卡罗方法对大量确定初态的原子进行全过程统计,最终得到冷原子干涉仪在多种噪声同时存在的情况下的响应。该方法主要优势体现在能够对噪声耦合情形进行高精度仿真,并且可以根据实际数据对干涉仪输出进行实时处理,以提升冷原子干涉仪的性能指标。

关键词: 冷原子干涉仪, 蒙特卡罗方法, 波包演化, 噪声分析, 实时补偿

Abstract: Since the existing noise analysis methods can hardly evaluate the output characteristics of the cold atom interferometer in a complex environment, a new cold atom interferometer simulation method is proposed in this paper, which could simulate the influence of various noises coupling on the cold atom interferometer under large vibration and rotation. By using single-particle wave-packet evolution method to evaluate the whole process of cold atom interferometry, and simulate an ensemble of independent atom with Monte-Carlo method. Eventually, the statistical results of an atomic ensemble after the interference under multiple noise situation are obtained. The main superiority of this simulation comparing to the typical sensitivity function method is that it could perform high-precision simulation while the noise coupling effect is significant. Moreover, it provides a new method to perform the real-time compensation to the output of the interferometry which could improve the overall performance of the whole system.

Key words: cold atom interferometry, Monte-Carlo method, wave-packet evolution, noise analysis, real-time compensation

中图分类号:

TP273+.2

黄晨, 陈福胜. 基于蒙特卡罗方法的冷原子干涉仪物理仿真[J]. 导航与控制, 2020, 19(4/5): 216-222.

HUANG Chen, CHEN Fu-sheng. Monte-Carlo Based Numerical Simulation of the Cold Atom Interferometry[J]. Navigation and Control, 2020, 19(4/5): 216-222.

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基于蒙特卡罗方法的冷原子干涉仪物理仿真

Monte-Carlo Based Numerical Simulation of the Cold Atom Interferometry

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