Beams

Free-space propagation of Gaussian beams, beam spreading, interference of co-and counter-propagating beams at different angles of incidence.Waveguiding

Directional propagation of guided modes, propagating- and standing waves, codirectional evanescent coupling between adjacent cores.Facets

Light propagation across the end facets of slab waveguides, total reflection in case of a specific multimode configuration.Bends

Propagation along curved slab waveguides with different bend radii, field/radiation pattern, propagation and attenuation constants.Crossing

Perpendicular crossing of two slab waveguides, single- and multimode configurations with different core widths.Photonic crystal waveguide

90^{o}-bend in a photonic crystal waveguide, a rectangular lattice of square rods, access waveguides included.

Square microresonator

A circuit with a square microcavity between two bus waveguides, spectral power transmission and field pattern at resonance and nearby.Square microcavity

A square microcavity with perpendicular bus waveguides, a resonant waveguide T-junction; power spectrum and field examples.Rectangular cavities

Configurations with different aspect ratio and orientation, spectral power transmission, field pattern at major and minor resonances.Add-drop-filter

Two square microcavities, direct coupling and interaction through bus waveguides, add-drop-filter functionality.High-contrast gratings

Finite corrugated dielectric membranes, normal incidence of Gaussian beams, varying number of periods, 2-D QUEP simulations.Resonator chain

A sequence of square dielectric cavities, evanescent guided wave excitation at one end, resonant field pattern, spectral amplitudes assigned to the individual cavities.Letters

Rectangular arrangement of dielectric squares and specific spacers; all pieces of the composite structure resonate at the same frequency.Microring

Circular microring-resonator, two bus channels, radial fundamental resonances, HCMT model (bend-mode based), spectral transmission.Microdisk

Circular microdisk-resonator, two bus channels, radial fundamental and first order resonances, QUEP simulations (staircase approximation).CROW

Short coupled resonator optical waveguide, three coupled micro-rings, straight access channels, HCMT model (bend-mode based), spectral transmission.Photonic molecule

Symmetric arrangement of three micro-rings, excitation through a slab channel, HCMT analysis (WGM-based), Transmission resonances, supermodes with and without bus.Bend-straight-couplers

Conventional CMT-analysis (3D) of couplers made of a bent and a straight waveguide; basis: WMM modes for straight channels.Periodic waveguide

Infinite regular sequence of high-contrast dielectric squares, 1-D periodicity, Floquet-Bloch modes, band structure diagram.Cross-strip interferometer

Laterally unguided, vertically guided light traverses a rib of specific dimensions, a polarizer configuration.Circulator

Concept for a polarization-independent integrated optical circulator, 3D, unidirectional magnetooptic polarization converters combined with polarization splitters.*— examples in the manual of the Metric simulation tools —-*

Waveguide

Light propagation along a symmetric three layer slab waveguide.Coupling

Evanescent interaction between two identical parallel cores, periodic beating pattern.Facet

Rectangular slab waveguide facet, guided wave reflection and divergence of transmitted waves.Corner

Sharp 90^{o}corner in a slab waveguide, a lot of radiative loss.

T-junction

Perpendicular slab waveguides, partial lateral guided power transmission and radiation loss.Crossing

Intersection of two cores at 90^{o}, guided wave reflection, transmission, lateral routing, and radiation loss.

Square microresonator

A square dielectric cavity with two perpendicular bus channels, a resonant configuration.Hole

Light propagation across a single hole in a nonsymmetric slab waveguide, radiation pattern.Bragg grading

A deeply etched, short waveguide Bragg grating (4 periods), reflector configuration.Defect cavity

A short, deeply etched waveguide Bragg grating with central defect, transmission resonance.Photonic crystal waveguide

A missing row in a square lattice of rods; the light enters and exits the photonic crystal region through conventional waveguides.PC waveguide bend

90^{o}bend in a 2D photonic crystal waveguide, input and output via conventional waveguides.

Square microresonator

Resonance in a square dielectric cavity with two parallel port waveguides.*— examples in the WMM-manual —*

Waveguide coupling

Evanescent interaction between two parallel channels, intensity distribution on the cross section, animation of mode beating with propagation distance.Multimode interference

A wide multimode rib, localized excitation, multimode interference, animation of the quasi-periodic focusing pattern with propagation distance.