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用横向空间模式调制进行芯片尺度波面成形的理论框架.

Daniel M Harrington, Andrew H Cohen, John Davis

|August 13, 2025

概括

此摘要是机器生成的。

研究人员开发了一种使用多模波导中的空间模式的新型紧波面塑造方法. 这种技术使光场的动态控制成为可能,在量子信息和成像中提供了广泛的应用.

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Last Updated: Sep 11, 2025

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科学领域:

光子学和光学工程光子学和光学工程
量子信息科学量子信息科学
纳米技术纳米技术

背景情况:

对于可见波长应用,如量子信息系统,便携式显示器和生物成像,紧的波面造型至关重要.
现有的芯片级光学相位阵列需要复杂的控制多个波导,导致大足迹和受限制的视野.

研究的目的:

提出和验证一种新的框架,用于波面塑造,利用横向空间模式的振幅和相位控制.
为了展示用于先进光学应用的紧型多模波导中的动态光场控制.

主要方法:

分析计算和数值模拟被用来分析拟议的波造型技术.
该研究的重点是操纵多模波导中的模态叠加,控制最少10个空间模式.

主要成果:

通过5微米的光圈,在130°的视野中,以低于5°的分辨率和高达-51dB的侧叶抑制来证明没有格子叶的光束转向.
实现了在波导内部和外的可重新配置的聚焦,与自由空间的赫尔米特-高斯模式的合,以及生成非衍射贝塞尔和艾里束.

结论:

拟议的方法提供了一个紧和多功能替代现有的波造型技术.
展示的功能可以在短期内进行实验实施,为先进的光子设备铺平了道路.