CST – Computer Simulation Technology

From Layout to Multiphysics: Integrating Thermal and Photonics Simulation into the PIC Design Flow

Photonic Integrated Circuits (PICs) are becoming more important in many areas, such as communications, remote sensing, or medical applications. Designers in this field rely on simulation to study and optimize a circuit, even before the prototype stage. Simulating such devices can be challenging due to their large size in relation to the wavelength of interest, and due to the need for multiphysics simulation. For example, PIC components are often thermally tuned to operate at a specific wavelength. CST Studio Suite® offers a unique platform to address these challenges. The user-friendly, interactive GUI allows the user to build geometries or import them from common layout formats (GDSII, DXF, e.g.). A link to Luceda Photonics IPKISS allows a completely automated model generation from layout data. ...

The photonic/plasmonic behavior of the device can then be simulated by selecting the most appropriate algorithm (e.g., FIT/FDTD, FEM, BEM/MoM, MLFMM, and more). Dispersive, anisotropic, and non-linear materials are supported. High performance computing (HPC) options, such as MPI or GPU, are available, and the results can be displayed and analyzed in the GUI using a comprehensive post-processing library and state-of-the-art visualization engine.

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