Ensure connected segments share exact coordinate nodes. Zoom in closely or use grid-snapping options to prevent accidental gaps that cause artificial optical scattering.
Simulates light entering from a laser source or an optical fiber aligned with the chip.
Contains shortcuts for basic geometric shapes, such as segments, arcs, and polygons.
One of the most referenced sections of the manual explains the Symbol Table . This feature allows users to parameterize their designs. Instead of hard-coding a waveguide width as "0.5 microns," the manual teaches users to define a variable (e.g., w ) and run parameter sweeps to see how width affects performance—a vital skill for optimization. rsoft cad manual
Computes the band structures of photonic bandgap devices.
The manual also provides deep insights into the software's unique "Material Editor." Photonic design is inherently tied to the physical properties of light interacting with matter, and the RSoft CAD manual provides instructions on how to model complex refractive index profiles. It covers the implementation of dispersive materials, anisotropic media, and nonlinear effects. Through the manual, users learn to utilize the multi-variable coordinate system, which supports not just standard Cartesian layouts but also specialized cylindrical or non-uniform grids necessary for high-accuracy simulations. This level of detail is crucial for ensuring that the virtual prototype closely mimics the behavior of a fabricated physical device.
) or define your own using dispersive models (Lorentz-Drude). Ensure connected segments share exact coordinate nodes
Each segment is assigned a specific material from your registry and positioned using your defined symbols (e.g., setting the start position to X = 0 , Y = 0 and the length to L ). 4. Setting Up Launch Conditions and Monitors
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The RSoft CAD Environment is packed with features designed to streamline photonic design. Contains shortcuts for basic geometric shapes, such as
Mastering the RSoft CAD manual is essential for anyone working in silicon photonics, optoelectronics, or fiber optics. This comprehensive guide breaks down the core concepts, workflows, and advanced features found in the official documentation. 1. Getting Started with the RSoft CAD Interface
Long, slowly varying waveguide structures, splitters, directional couplers, and fibers.
Ensure your structures propagate primarily along the Z-axis. BPM cannot handle backward reflections accurately. FullWAVE (Finite-Difference Time-Domain)