Finite-Difference Time Domain Simulation (RSoft FullWAVE FDTD)

Rigorous electromagnetic simulation for complex photonic devices.

Rsoft Fullwave on laptop

Why Use RSoft FullWAVE FDTD

RSoft FullWAVE, Keysight’s finite-difference time-domain (FDTD) simulation software, enables full-vector simulations of photonic structures, including integrated and fiber-optic waveguide devices, as well as circuits and nanophotonic devices such as photonic crystals. Gain dynamic insights into scattering, transmission, reflection, absorption, and more.

Use RSoft FullWAVE FDTD for

  • Modeling light propagation, reflection, scattering, and diffraction in complex structures
  • Analyzing photonic devices in which light travels in multiple directions
  • Simulating resonant and wavelength-scale nanophotonic structure
  • Evaluating electromagnetic field distributions and device response over time
  • Studying grating couplers, resonators, and photonic crystal devices
  • Modeling image-sensor pixels, micro-LEDs, and other high-resolution structures
  • Validating designs when simplified propagation assumptions are not sufficient
RSoft FullWAVE FDTD on a laptop
What You Get
Employ a powerful tool for modeling optical devices.

Key Outcomes

RSoft FullWAVE FDTD Applications

• Silicon photonics

• Photonic integrated circuit components

• Grating couplers

• Ring resonators

• Photonic crystal device

• CMOS image sensors

• Micro-LEDs and OLED structures

• Metasurfaces and metalenses

• Diffractive optical elements

• Plasmonic and nanophotonic devices

Related Solutions

Resources to Get You Started

Accelerate Electromagnetic Simulations in RSoft FullWAVE FDTD
Accelerate Electromagnetic Simulations in RSoft FullWAVE FDTD

Finite-difference time-domain (FDTD) simulation is one of the most rigorous methods for modeling photonic devices, but large, high-resolution models can require significant computational resources. This application note demonstrates how GPU acceleration can dramatically reduce simulation times while maintaining the accuracy required for photonic design and analysis. Learn how engineers are applying GPU-accelerated FDTD simulation to micro-LEDs, CMOS image sensors, grating couplers, and other computationally intensive photonic applications.

RSoft FullWAVE FDTD Magnified

Have Questions? We've Got Answers

Discuss your photonic simulation challenge.

Whether you're modeling photonic integrated circuits, grating couplers, nanophotonic devices, image sensors, or metasurfaces, our specialists can help identify the right simulation approach for your application.