概括
这项研究引入了薄膜坦酸盐 (TFLT) 的电光开关,最小的直流漂移. 与现有技术相比,它表现出稳定的光学切换和优越的长期稳定性.
科学领域:
- 光子学和光学工程 光子学和光学工程
- 材料科学 材料科学 材料科学
- 电气工程 电气工程
背景情况:
- 电光 (EO) 开关是光通信系统中的关键组件.
- 在EO开关中实现超低直流漂移和长期稳定性仍然是一个重大挑战.
- 薄膜坦酸盐 (TFLT) 为先进的光子集成电路提供了潜力.
研究的目的:
- 在TFLT平台上开发和描述一种具有超低直流漂移的电光开关.
- 为了评估EO开关在各种操作条件中的稳定性.
- 为了比较TFLT EO开关与薄膜酸 (TFLN) 设备的性能.
主要方法:
- 使用SiO2覆盖的TFLT平台制造一个EO开关.
- 在不同频率,光功率和温度下测量Vπ和EO响应.
- 对TFLT EO开关进行长期稳定性测试.
主要成果:
- TFLT EO 开关显示了超低直流漂移,没有后回.
- 在低频范围内实现了稳定的光学切换.
- 与类似光功率水平 (-8 dBm) 的TFLN开关相比,证明了优越的长期稳定性 (长达2小时).
结论:
- 该TFLT平台使得高度稳定的电光开关的开发成为可能.
- 提出的EO开关设计克服了与DC漂移和长期稳定性相关的局限性.
- 这项技术对集成光子学中的强大的光学切换应用具有前景.
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