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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.

案例研究

查看案例研究

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Rockley Photonics

Rockley 在 Amazon 的 Elastic Compute Cloud (EC2) 上,使用 Lumerical 軟體進行多個 2D 和 3D 單一時域模擬,從而允許擷取高解析度光譜。

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Xanadu

Xanadu 以前所未有的低損耗效能打造 X8 量子運算晶片,同時大幅加速設計時程。

Ligentec

LIGENTEC 運用 Ansys Lumerical 的光子反向設計來設計小型波導交錯設計

LIGENTEC 將 Ansys Lumerical FDTD 中的光子反向設計 (PID) 功能用於波導交錯的設計和最佳化。

白皮書

檢視更多

Diffraction

最大化多層式與繞射式光學元件的設計彈性

瞭解如何利用 Ansys Lumerical FDTD 中的有限差分時域 (FDTD)、嚴謹耦合波分析 (RCWA) 以及 STACK 求解器來模擬奈米結構化多層光學元件。 

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為成功而設計:光子整合元件的求解器組合策略

本白皮書討論使用多種光學求解器來應對光子積體電路 (PIC) 元件模擬挑戰的方法。 

應用程式庫

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應用

光子反向設計光柵耦合器 (3D)

在此範例中,我們使用反向設計工具組 (lumopt) 來最佳化 3D SOI 光柵耦合器。

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應用

HUD 適用的極化敏感型電漿反射器 – Speos 互通性

或是需要反射偏極化光的 HUD;我們在此展示的週期性電漿奈米構造,可為某些極化提供顯著反射。

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應用

微型 LED

在此範例中,我們使用 STACK 光學求解器和 FDTD 來描述圓柱型微型 LED 的特徵,並擷取發射功率和輻射場型。

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FDTD 產品參考手冊

FDTD 參考手冊提供產品功能的詳細說明。

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RCWA 產品參考手冊

RCWA 參考手冊提供產品功能的詳細產品說明。 

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STACK 產品參考手冊

STACK 參考手冊提供產品功能的詳細說明。

Ansys 軟體產品輔助

對 Ansys 而言,所有使用者皆能運用本公司產品非常重要,身心障礙者也不例外。因此,我們致力於遵循美國無障礙委員會 (第 508 條)、無障礙網頁內容規範 (WCAG)、自願產品輔助工具範本 (VPAT) 的目前格式等各項無障礙要求。