# Integrated photonics: waveguides, ports, and routing

Mode launch and readout followed by complete PIC devices: bends, splitters, crossings, and couplers.

[← Back to the complete example atlas](../index.md)

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:::{grid-item-card} Si slab mode source: neff + confinement
:link: ../cases/analytical_mode_waveguide
:link-type: doc

<span class="metric-pass">PASS</span> · benchmark page · analytical · pytest_exit
:::
:::{grid-item-card} Waveguide S-parameter transmission
:link: ../cases/analytical_waveguide_sparams
:link-type: doc

<span class="metric-pass">PASS</span> · benchmark page · analytical · pytest_exit
:::
:::{grid-item-card} Si/SiO2 slab TE waveguide transmission vs Tidy3D
:link: ../cases/parity_waveguide_TE
:link-type: doc

<span class="metric-pass">PASS</span> · benchmark page · forward · T_far
:::
:::{grid-item-card} Rectangular Y-junction power split vs Tidy3D
:link: ../cases/parity_y_junction
:link-type: doc

<span class="metric-pass">PASS</span> · benchmark page · forward · T1
:::
:::{grid-item-card} Directional coupler — broadband through/cross parity
:link: ../notebooks/directional_coupler
:link-type: doc

<span class="metric-pass">PASS</span> · executed notebook · forward · through_spectrum
:::
:::{grid-item-card} Waveguide crossing — O-band through and crosstalk spectra
:link: ../notebooks/waveguide_crossing
:link-type: doc

<span class="metric-pass">PASS</span> · executed notebook · forward · through
:::
:::{grid-item-card} Euler-like bend — broadband 90-degree transmission
:link: ../notebooks/euler_bend
:link-type: doc

<span class="metric-pass">PASS</span> · executed notebook · forward · out
:::
:::{grid-item-card} Edge coupler — Gaussian beam to inverse taper
:link: ../notebooks/edge_coupler
:link-type: doc

<span class="metric-pass">PASS</span> · executed notebook · forward · out
:::
:::{grid-item-card} 1x4 MMI — four-port broadband power distribution
:link: ../notebooks/mmi_1x4
:link-type: doc

<span class="metric-pass">PASS</span> · executed notebook · forward · out1
:::
:::{grid-item-card} Compact polarization splitter-rotator — TE/TM routing
:link: ../notebooks/polarization_splitter_rotator
:link-type: doc

<span class="metric-pass">PASS</span> · executed notebook · forward · te_wide
:::
::::


```{toctree}
:hidden:
:maxdepth: 1

../notebooks/directional_coupler
../notebooks/waveguide_crossing
../notebooks/euler_bend
../notebooks/edge_coupler
../notebooks/mmi_1x4
../notebooks/polarization_splitter_rotator
../cases/analytical_mode_waveguide
../cases/analytical_waveguide_sparams
../cases/parity_waveguide_TE
../cases/parity_y_junction
../cases/device_directional_coupler
../cases/device_waveguide_crossing
../cases/device_euler_bend
../cases/device_edge_coupler
../cases/device_mmi_1x4
../cases/device_polarization_splitter_rotator
```