在具有局部合的双核系统中的一维Towns单子
Shatrughna Kumar1, Pengfei Li2,3, Boris A Malomed1,4
1Department of Physical Electronics, School of Electrical Engineering, Faculty of Engineering, and Center for Light-Matter Interaction, Tel Aviv University, P.O.B. 39040, Tel Aviv, Israel.
Physical review. E
|September 19, 2023
概括
研究人员展示了一种新型的双核波导系统,可以稳定Towns单子 (TSs) 并表现出自发对称性破坏 (SSB). 该系统提供了精确的解决方案,并且在光子设备中具有潜在的应用.
科学领域:
- 非线性光学是一种非线性光学.
- 量子物理学的量子物理学
- 材料科学 是一种材料科学.
背景情况:
- 镇子单子 (TSs) 是基本的非线性波解.
- 自发对称性破坏 (SSB) 在单子动态中至关重要.
- 稳定本质上不稳定的TSs是一个重大挑战.
研究的目的:
- 引入一个新的系统,用于TS和SSB的精确解决方案.
- 为了研究TSs在双核波导中的稳定.
- 探索在光子设备中的潜在应用.
主要方法:
- 开发一种双核波导模型,具有五进制非线性和局部合.
- 使用结合的非线性施罗丁格方程,推导对称和不对称单子的精确解.
- 数值分析以确定不对称单子的稳定性边界.
主要成果:
- 获得了对称和不对称单体的完整家族的精确解决方案.
- 观察到超临界的SSB分叉,导致不对称的单体.
- 发现不稳定的单子会转变为强大的不对称呼吸器或具有振荡的状态.
结论:
- 拟议的双核波导系统成功地允许稳定TS和SSB的精确解决方案.
- 该系统表现出超临界的SSB分叉,产生不对称的单子.
- 这项工作为设计用于合和切换应用的先进光子设备提供了一个平台.
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