Examples¶
Explore worked notebooks and studies built from saved simulation results. Browse device setups, simulated fields and comparisons with published results or reference simulations.
Animated field previews show each example. Open one to explore its setup and results.
Ultralow-loss waveguide crossing
Rebuild a spline-taper crossing and compare its transmission and loss with the published design.
Broadband directional coupler
Rebuild a broadband coupler and compare its power split with the paper’s stated 3D FDTD range.
Polarization rotator-splitter in a foundry stack
Follow polarization rotation through a bi-level taper and transfer into a second guide.
Curved directional coupler
Follow light through curved silicon guides and compare saved bar and cross outputs with the paper.
Topological valley transport around sharp bends
Compare saved fields and transmission along straight and bent walls in a valley photonic crystal.
Mode and polarization multiplexer couplers
Follow the TE3 channel of a mode demultiplexer through two of its six couplers and compare its loss with the paper’s stated value.
Nanopost metasurface lens
Inspect focusing by a silicon nanopost lens under the paper’s fibre beam.
Vertically emitting photonic-crystal cavity
Inspect a vertically emitting photonic-crystal cavity and its upward radiation.
Optimal 90-degree waveguide bend
Compare an optimal bend with a circular bend on the same footprint using its mesh study.
Y-junction with a chosen splitting ratio
Vary a junction’s boundary curves and examine how output power divides between two waveguide branches.
Apodized grating coupler
Rebuild an apodized fibre-to-chip grating from its parameter table and compare coupling under a tilted fibre beam.
Silicon microring near its size limit
Compare resonance and quality factor for small silicon rings.
Silicon to silicon nitride interlayer transition
Follow light from a silicon taper into a silicon nitride guide and compare loss across taper overlaps.
Deterministic photonic-crystal nanobeam cavity
Build a tapered photonic-crystal nanobeam and inspect its resonance and ring-down fit.
Zero-index pillar array with a bound state
Inspect a silicon pillar array’s zero-index crossing and in-phase transport.
Fibre-to-chip edge coupler
Follow a fibre mode into a silicon nitride taper and compare polarization coupling.
Waveguide Bragg grating
Inspect reflection and the stopband of a corrugated waveguide.
Shape-optimized waveguide taper
Optimize the outline of a short taper with adjoint gradients and compare its transmission with the paper’s.
Linear waveguide taper by eigenmode expansion
Sweep a linear taper’s length by eigenmode expansion and check its TE0 transmission against FDTD at six lengths.
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