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具有两个独立物理合成维度的单个光子腔

Avik Dutt¹, Qian Lin², Luqi Yuan³

¹Ginzton Laboratory and Department of Electrical Engineering, Stanford University, Stanford, CA 94305, USA.

Science (New York, N.Y.)

|November 30, 2019

概括

研究人员使用单环共振器创建了一个新的光学系统, 这一突破使得研究复杂的现象如拓物理和合成维度的有效测量潜力成为可能.

科学领域:

摄影学和量子物理学.
对于高级物理学的合成维度的探索.
用光学系统进行基础研究.

背景情况:

合成维度提供了一个强大的平台来模拟复杂的物理现象.
之前的实验通常只使用一种合成维度.
实现有效的测量潜力和拓物理是关键目标.

研究的目的:

展示一个有两个独立的物理合成维度的系统.
在单环共振器中研究更高维度的物理.
探索诸如拓物理和光子学中的有效测量潜力等现象.

主要方法:

使用时间调节的环共振器.
引入时针和逆时针模式之间的空间合.
使用频率和伪旋转自由度创建一个合成的霍尔梯子.

主要成果:

观测有效的旋转轨道合和磁场.
旋转动量的锁定和迈斯纳到的相位过渡的演示.
在合成尺寸中检测拓性单向边缘电流.

结论:

高维物理学可以用简化的系统来研究.
多个同时合成的维度为研究提供了新的途径.
这项工作促进了光子学中的合成维度的理解和应用.

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相关概念视频

Standing Waves in a Cavity

Standing Waves in a Cavity

A household microwave and lasers are examples of standing electromagnetic waves in a cavity. When two conducting metal plates are placed parallel at the nodal planes, it creates a cavity where standing waves are formed. The cavity between the two planes is analogous to a stretched string held at the points x = 0 and x = L. Here, the distance 'L' between the two planes must be an integer multiple of half of the wavelength. The wavelengths that satisfy this condition are given by: