快速多通道逆向设计通过增强部分因子化
Shiyu Li1, Ho-Chun Lin1, Chia Wei Hsu1
1Ming Hsieh Department of Electrical and Computer Engineering, University of Southern California, Los Angeles, California 90089, United States.
概括
一种新的计算方法加速了复杂的纳米光子设备的设计,具有许多输入通道. 这种方法使得多通道光学系统 (如超表面) 的有效反向设计成为可能.
科学领域:
- 纳米光子学 纳米光子学
- 计算电磁学的计算.
- 地表表面设计设计.
背景情况:
- 计算机自动化设计已经先进的纳米光子设备.
- 大规模的多通道系统 (例如,元表面,光子电路) 仍然对传统的设计方法具有挑战性.
- 目前的方法需要大量的模拟 (前进和附加) 进行梯度计算.
研究的目的:
- 为大规模多通道纳米光子系统的反向设计开发一种高效的形式主义.
- 为了克服传统模拟重型方法的计算瓶.
- 为了使复杂的光学元件的设计具有多种功能.
主要方法:
- 基于增强部分因子化方法的形式主义的发展.
- 在单个或少数模拟中实现目标函数和梯度计算.
- 应用该方法来逆向设计一个超表面光束分割器.
主要成果:
- 计算速度提升了两倍以上.
- 显著减少内存使用量.
- 为3D传感应用成功设计了超表面光束分离器的反向设计.
结论:
- 拟议的形式主义显著加速了大规模多通道纳米光子系统的反向设计.
- 这种方法对于开发先进的光学组件至关重要,例如超表面光束分割器.
- 允许广泛的多通道光学系统的高效设计.
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