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Success Stories | 草榴社区
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Table of Contents

?? ??? ??? ?????? ???? ?? ??? ???????.

 

?? ??? RSoft Photonic Device Tools 2024.09?? ??? ???? ?????? ??? ??? ????? ?? ??? ???? ? ??? ??? ????? ???? ?????. ?? ????? GPU? ??? FullWAVE FDTD ???, BeamPROP BPM, MetaOptic Designer, ? DiffractMOD RCWA? ?????? ??? Python ????? ????? ?????. ??? ???? ? ??? ??? ????? ???? ?????? ??? ?? ??, ? ?? ??? ? ???? ?????. 

GPU-Accelerated FullWAVE FDTD

GPU ??? ?? FullWAVE FDTD ???

??? ??? 2024.09 ??? ?? ???? ???? ? ??? FullWAVE FDTD? ???? ?? GPU ?????. NVIDIA GPU? ?? ?? ??? ???? ? ??? ??? ????? ??? ????? ?????, ??????? 8?? GPU? ?? 24 core CPU ??? ?? 91? ? ?? ??? ???? ??? ??????. 

?? ??? ???? ?? Figure 1? ?? ?? ?? ??(Speedup Factor)? ???? ??? ??????. ?? ?? GPU? ??? ?? ??? ???? ?? ?????. 8?? GPU? ??? ?? ?? GPU? ??? ???? ??????? ??? 6.5?? ????. ??? ???? ??? ?????? ?? ???? ???? ? ??? ????? ??? ?? ? ????. 

Figure 1: With GPU acceleration in FullWAVE FDTD, 8 GPUs are 91 times faster than a 24-core CPU | 草榴社区

Figure 1: GPU? ??? FullWAVE FDTD ???, 8?? GPU? 24 core CPU ?? 91? ?? ??? ??

FullWAVE FDTD? ??? CUDA 12.3 ?? ??? NVIDIA GPU?? ???? ???? ????? ???? ????? ??? ??? ?????. ??? ??? ???? ?????? ??? ???? ??? ?? ??? ??? ???? ?????. 

Improvements to BeamPROP BPM

BeamPROP BPM ????

BeamPROP? Beam Propagation Method (BPM) ?? ?? ???????. ??? ????? ??? ?? ??? ???? ?? ??? ????? ?? ??? ?? ??? ?? ?? BPM? ?? ???? ?? ????? ???????.

Figure 2: Power re-normalization has been automated in release 2024.09 for BeamPROP BPM | 草榴社区

Figure 2: 2024.09 ??? ??? BeamPROP BPM? ?? ?? ?? ????

?? ???? ????? ?? ??? ????? ???? ???? ?? ???? ????? ??? ? ?? ??? ?? ? ??? ?????. ??? ????? ???? ?? ?? ????? ?????? ???? ? BPM solver? ???? ??? ?????? ???? ?? ??? ???? ????? ??? ??? ???? ??? ??? ?????. 

Improvements to MetaOptic Designer

MetaOptic Designer ????

MetaOptic Designer? Far-field ???? ?? ??? ??? ???????. ?? ??? ?? ???? ?? ?? ??? ???? Far-field ???? Near-field ???? ???? ??? ? ????. Far-field ???? LiDAR ? ???? ?????? ?? Far-field ??? ?? ??? ??? ??? ??????? ?? ? ?????. 

Figure 3: Experimental verifications for far-field optimization for LiDAR | 草榴社区

Figure 3: LiDAR? ?? Far-field ???? ?? ??? ??

???? ?? ??? ??, ???? ?? ?? ?? ????? ???? ???? ?? ??? ? ????. ??? ??? ??? ?? ?? ????? ?? ?? ???? ???? ?? ????? ???????. ?? ????? ? ????? ??? ?? ? ??? ?? ???? ?? ?????? ???? ???? ???? ??? ?? ??? ?? ????? ??? ? ? ????. 

Improvements to DiffractMOD RCWA

DiffractMOD RCWA ????

DiffractMOD RCWA? Non-orthogonal ?????? ???? ?? ?? ? ?? ??? ?? ??? ?? ???? ?????? ?????. ? ????? ?? ???? ??? ?? ??? ??? ??? ? ??? ?? ?? ??? ??? ??? ?? ?????? ???? ???? ???????.

Figure 4: Hexagonal lattice can be simulated with a rectangular lattice. With the support of non-orthogonal simulation domain, DiffractMOD RCWA converges faster and fictitious orders with zero diffraction efficiency are eliminated. | 草榴社区

Figure 4: ?? ??? ??? ??? ????? ? ? ????. ??? ?????? ??? ?? DiffractMOD RCWA? ?? ??? ???? ?? ?? ??? ?? ??? ?????.

?? ?? ??? ????? ??? ?? ??? ?? ???? ???? ??? ? ??? ???? ?????? ?????. ??, ?? ??? ??? ?? ??? ?? ???? ??? ??? ?? ?????. ??? ??? ??? ??? ?? ??? ??? ??? ?? ??? ???? ? ????? ???? ????? ?? ?????. ??? ??? ???? ??? DiffractMOD? ???? ????? ?????? ? ?? ????? ??? ?????. 

Python Updates

Python ????

2024.09 ????? Python ?????? Python 3? ???? ?????. ? ??? ?? ?????? ?? ????? ?? Python ??? ?????? ???? ???? ???? ? ??? ?? ??? ??? ? ????.

?? ????? ?? ??, ???? ?? ?? ? ????? ???? ??? ?? ??? ??? ?????. ??? ??? ??? Python API? ?? ???? ??? ????? ??? ??? ?? ??? ?????, RSoft Photonic Device Tools? ?? ????? ?? ? ???? ??? ????? ??? ???? ???.

Summary

??

RSoft Photonic Device Tools 2024.09 ??? ??? ???? ?????? ??, ??? ? ???? ????? ?? ??? ???? ??? ??? ????? ?????. FullWAVE FDTD ???? ?? GPU??  ?? ?? ????, MetaOptic Designer? Far-field???, DiffractMOD RCWA? ??? ??? ??? ?????? ????? ??? ???? ?? ?????? ? ??? ?????. ??? Python 3?? ?????? ???? ?????. 

? ?? ? ????? ?? ?? ? ??? ?? ?? ??? ?????? Tech talk? ??????. ?? ????? RSoft Technical Support ? photonics_support@synopsys.com ? ?? ????. 

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Reference

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Figure 2 image is from: Tsuchizawa, Tai, et al. "." IEEE Journal of selected topics in quantum electronics 11.1 (2005): 232-240.

Figure 3 image is from: M. Chalony, C. Majorel, A.  Loucif, Q. Kuperman, P. Genevet, “,” SPIE Optical Systems Design, Strasbourg, France, April 2024