ubcpdk (SiEPIC Ebeam PDK) 3.3.4

The University of British Columbia's SiEPIC EBeam PDK is a 220nm SOI silicon photonics platform fabricated via electron-beam lithography, widely used in academia and multi-project-wafer runs.

SiEPIC Ebeam PDK adapted from siepic Ebeam PDK for gdsfactory. It provides a fully python driven flow alternative for the most advanced users taking the edx course

Installation

We recommend uv

# On macOS and Linux.
curl -LsSf https://astral.sh/uv/install.sh | sh

# On Windows.
powershell -ExecutionPolicy ByPass -c "irm https://astral.sh/uv/install.ps1 | iex"

Installation for users

Use python 3.11, 3.12 or 3.13. We recommend VSCode as an IDE.

uv pip install ubcpdk --upgrade

Then you need to restart Klayout to make sure the new technology installed appears.

Installation for contributors

Then you can install with:

git clone https://github.com/gdsfactory/ubc.git
cd ubc
uv venv --python 3.12
uv sync --extra docs --extra dev

Documentation

• gdsfactory docs
• UBCpdk docs and code
• ubc1

Pre-commit

Pre-commit hooks are centrally maintained in pdk-ci-workflow-public. make dev fetches the canonical config and installs the git hook.

make dev

Tests

Run the test suite:

make test

Release

1. Bump the version:

tbump 0.0.1

2. Push the tag:

git push --tags

This triggers the release workflow that builds wheels and uploads them.

3. Create a pull request with the updated changelog since last release.