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Ansys Lumerical FDTD
Simulation of Photonic Components

Ansys Lumerical FDTD is the gold-standard for modeling photonic components, processes, and materials. The integrated design environment provides scripting capability, advanced post-processing, and optimization methods.

ANSYS LUMERICAL FDTD

Industry’s Leading Choice for Versatile and Scalable Photonic Design

Ansys Lumerical FDTD is photonic simulation software that integrates FDTD, RCWA, and STACK solvers in a single design environment. This empowers precise analysis and optimization for various devices, including diffraction gratings, multilayered coatings, uLEDs, CMOS image sensors, metalenses, and metasurfaces, delivering best-in-class performance across diverse applications. Ansys Lumerical FDTD empowers rapid virtual prototyping and verification of thousands of iterations for the most complex designs.

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    Advanced photonic with FDTD, RCWA, or STACK
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    Multiphysics and Multiscale Workflows
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    Scalable HPC, GPU, and Cloud
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    Foundry Compatible and Customized Design
ansys lumerical fdtd

Quick Specs

Ansys Lumerical FDTD works seamlessly with Ansys Lumerical CML Compiler, Ansys Multiphysics solvers, Ansys Speos, Ansys Zemax, and third-party electronic-photonic design automation (EPDA) vendors to enable fast, accurate, scalable photonic design.

  • Performance and accuracy with FDTD
  • Periodic structures analysis
  • Multilayer thin films analysis
  • Scale with HPC, GPU, and cloud
  • Connects with multiscale and multiphysics
  • Simulate gratings, polarizers, and coatings
  • Connect with optiSLang for optimization
  • Automation API
  • Particle swarm

JULY 2024

What's New

The Ansys Lumerical 2024 R2 brings powerful updates and features across its photonics core technologies, ecosystem, cloud and HPC, workflows, and user experience.

2024 R2 Lumerical
FDTD Multi-GPU Acceleration

Faster simulations with the finite-difference time-dDomain (FDTD) method utilizing multiple GPUs. 

  • Momentum advancements - 23R2 GPU Express Mode [2023 R2], 24R1 Single node GPU acceleration and multi-GPU vRAM capacity [2024 R1]
  • Single node acceleration
  • Larger model memory
  • Local or remote on-premise/cloud

 

2024 R2 Lumerical
FDTD GPU for CMOS Image Sensor

Enhanced FDTD simulations with GPU support for photonic lattice matrices (PLM), including Bloch and Periodic Boundary Conditions (BCs). GPU is as accurate as CPU

  • Periodic BC for normal incidence
  • Bloch BC for oblique incidence and complex field current
  • Compatible with Multi-GPUmulti-GPU acceleration
  • Periodic BC for normal incidence
  • Bloch BC for oblique incidence and complex field current
  • Compatible with multi-GPU acceleration

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Lumerical for Ansys Access on Microsoft Azure

Accessibility of Lumerical on Microsoft Azure, offering scalable cloud resources for simulations. Configure a virtual desktop.

  • Bring your own Azure subscription
  • Map local disk drives/One Drive to share project files
  • Virtual machine with full Lumerical suite and Azure hardware scalability - CPU, GPU, and parallel simulations

RCWA
Co-Packaged Optics - Optical IO Simulation

Tools and features for designing co-packaged optics, enabling integration of photonic and electronic components in a single package.

  • Interoperable workflows enable engineers to accurately account for both nano-scale and macro-scale optical effects
  • Automated optimization workflows for both grating coupler and edge coupler to fiber coupling 
  • Robust analysis and tolerancing against fiber misalignment and manufacturing variations 
RCWA
Improvements to Photonic Inverse Design for CMOS Image Sensor

Enhancements to the design process for CMOS image sensors, optimizing performance through advanced algorithms.  

  • LumOpt, the Lumerical Python API optimization framework for PID through adjoint method.
  • Enables inverse design of color router metasurface for CMOS image sensors with improved efficiency and minimized crosstalk

RCWA
Rigorous Coupled-Wave Analysis (RCWA) Solver Enhancements

Refined rigorous coupled-wave analysis (RCWA) solver for better accuracy and speed in simulating periodic structures. 

  • New Li factorization option offers faster convergence of 1D metal gratings.
  • New index preview in RCWA - refractive index profile can be previewed before running the simulation
  • New and improved memory estimate and reports

CAPABILITIES

Versatile and Scalable Photonic Design Powered by Lumerical FDTD

Lumerical FDTD is industry’s leading simulation software for design and optimization of a wide range of photonic components. Lumerical FDTD is remarkably versatile and scalable, offering unmatched speed and the ability to harness HPC (CPU and multi-GPU) and cloud resources.

 

Key Features

  • FDTD – 3D Electromagnetic Solver
  • RCWA – Rigorous Coupled Wave Analysis
  • STACK – Optical Multilayer Solver
  • Photonic Inverse Design Optimization
  • Scale and Accelerate with HPC and Cloud
  • 3D CAD Environment
  • Layer Builder
  • Lumerical connectors in Ansys OptiSLang
  • Ansys Optics Solution Interoperability

It has high accuracy with options for auto non-uniform meshes. Lumerical FDTD is also foundry compatible and supports automated design processes with its scripting capabilities, advanced post-processing, and optimization routines.

RCWA provides fast simulations of complex multilayer stacks with surface patterning, from capturing the electric and magnetic field distributions to transmitting, reflecting, and evaluating power in each grating order.

It is ideal for rapid prototyping for thin film applications. From capturing microcavity effects and interference to handling dipole illumination and plane wave functions, STACK provides quick simulations of complex thin film multilayer stacks.

Discover non-intuitive geometries that optimize performance, minimize area, and improve manufacturability.

Choose from various nonlinear, negative index, and gain models. Define new material models with flexible material plug-ins.

Automatically generate models from sample data or define the functions yourself.

FDTD’s CAD environment and parameterizable simulation objects allow rapid model iterations for 2D and 3D models. It provides eye comfort with Dark Mode and is fully compatible with 4k high DPI screens and modern 3D views. 

Change the position, ordering, and thickness of each layer. Simulate curved side-angled waveguides, then export the layer configuration, including material data, as a process file (.lbr) that foundries can fabricate.​

Automate multiphysics simulation workflows and benefit from the state-of-the-art sensitivity analysis and optimization algorithms available in optiSLang.

The Lumerical Sub-Wavelength Model (LSWM) plugin allows you to simulate and design coatings, polarizers, and diffraction gratings in OpticStudio and Speos.

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Rockley Photonics

Rockley在Amazon Elastic Compute Cloud(EC2)上使用Lumerical软件开展多个2D和3D单时域仿真,从而支持提取高分辨率光谱。

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Xanadu

Xanadu构建了具有前所未有的低损耗性能的X8量子计算芯片,同时显著加快了设计进度。

Ligentec

LIGENTEC利用Ansys Lumerical光子逆向设计实现紧凑波导交叉设计

LIGENTEC使用Ansys Lumerical FDTD中的光子逆向设计(PID)功能来设计和优化其波导交叉。

白皮书

查看更多

Diffraction

最大限度提高多层和衍射光学器件的设计灵活性

了解如何使用时域有限差分(FDTD)、严格的耦合波分析(RCWA)和Ansys Lumerical FDTD中的STACK求解器来仿真纳米结构的多层光学器件。 

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成功的设计:光子集成器件的求解器组合策略

本白皮书探讨了结合光学求解器解决光子集成电路(PIC)器件仿真挑战的方法。 

应用库

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应用

光子逆向设计光栅耦合器(3D)

在本例中,我们使用逆向设计工具箱(lumopt)来优化3D SOI光栅耦合器。

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应用

适用于HUD–Speos互操作性的偏振敏感等离子体反射器

或者需要反射偏振光的HUD,在这里我们展示周期性等离子体纳米结构,这些结构可以为某些偏振提供关键反射。

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应用

Micro-LED

在本示例中,我们使用STACK光学求解器和FDTD来为柱状micro-LED表征并提取辐射功率和辐射方向图。

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FDTD产品参考手册

FDTD参考手册提供了产品功能的详细说明。

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RCWA产品参考手册

RCWA参考手册可提供产品功能的详细产品说明。 

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STACK产品参考手册

STACK参考手册可提供产品功能的详细说明。

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