一个非挥发性磁光开关的万亿个开关周期耐用性和高速运行
Optics express
|September 23, 2025
概括
这项研究展示了一种新的非挥发性磁光开关. 它使用脉冲电流诱导的磁场实现低功耗和高耐用性,用于磁化逆转.
科学领域:
- 物理 物理学 物理
- 材料科学 材料科学 材料科学
- 电气工程 电气工程
背景情况:
- 磁光学设备对于光学开关应用至关重要.
- 现有的设备经常受到高功耗或有限耐用性的困扰.
- 对于节能光子学,需要非挥发性切换机制.
研究的目的:
- 为了演示具有低开关能量的非挥发性磁光开关.
- 调查这些设备的高写作周期耐用性潜力.
- 探索一种用于磁光开关的新机制.
主要方法:
- 使用脉冲电流诱导的磁场来磁化薄膜磁铁.
- 使用生成的静电磁场来磁化磁光相变器.
- 具有特征的开关能量,响应时间和写作周期耐用性.
主要成果:
- 实现了4.9nJ的切换能量与5ns脉冲.
- 在没有连续电源的情况下,经过证明的非挥发性相位移维护.
- 记录了一个异常高的写作周期持久性,为1.8万亿个周期.
结论:
- 开发的磁光开关为低功耗,高耐久性光学开关提供了一个有前途的解决方案.
- 脉冲电流诱导的磁化逆转是一种非挥发性操作的有效机制.
- 这项技术对未来的光子集成电路具有重大潜力.
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