通过全三维时域有限差分数值模拟设计的二维光栅耦合器的性能

11th International Conference on Group IV Photonics (GFP) Pub Date : 2014-11-24 DOI:10.1109/GROUP4.2014.6961991

C. Lacava, L. Carroll, D. Gerace, L. Andreani, M. Fournier, S. Messaoudene, N. Pavarelli, J. S. Lee, P. O'Brien, S. Menezo, I. Cristiani

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引用次数: 1

摘要

通过弥合光纤模式和绝缘体上硅(SOI)层厚度之间的尺寸差距，1D和2d光栅耦合器(gc)代表了将光耦合到硅光子电路中的挑战的有希望的解决方案。在过去的十年中，对1d - gc进行了大量的优化工作，尽管如此，1d - gc对光纤的输入偏振状态表现出非常强的敏感性，这使得它们不适合许多系统间耦合应用。近年来，提出了一种基于全三维时域有限差分(fdtd)计算的二维gc操作描述策略，并对其性能进行了优化。

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Performance of 2D-Grating couplers designed through full 3D-FDTD numerical simulations

By bridging the dimensional gap between fiber mode and Silicon On Insulator (SOI) layer thickness, 1D and 2D-Grating couplers (GCs) represent promising solutions to the challenge of coupling light into silicon photonics circuits. Considerable work has been done over the last decade towards optimization 1D-GCs, that nevertheless exhibit a very strong sensitivity to the input polarisation state of the fiber, which makes them unsuitable for many inter-system coupling applications. Recently, a new strategy based on a full 3D-FDTD (finite difference time domain) calculations has been proposed to describe 2D-GC operation, and optimize their performance.

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11th International Conference on Group IV Photonics (GFP)

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