About Photonica

Photonica is a working reference for photonic engineering — the tutorials, methodology pieces, and lab-level details that journal papers and vendor datasheets do not cover.

The gap

Photonics has a single dominant online reference. Beyond it, practical information is scattered across paywalled academic papers, vendor product pages, and PDFs of course notes that are difficult to locate through general search. For most procedural questions a working engineer or graduate student encounters at the bench, an accessible, authoritative answer does not exist in any one place.

Photonica is intended to fill that gap incrementally, through individual tutorials, cited measurements, and calculators.

Contents

• Tutorials. Step-by-step walkthroughs of characterization techniques, alignment procedures, and measurement workflows. Each tutorial includes worked examples and underlying data.
• Glossary entries. Short, precise definitions for the terms photonics papers assume the reader already knows.
• Tools. Interactive calculators for common photonics math — T₀ extraction, fiber coupling efficiency, Bragg wavelength, wall-plug efficiency. All tools run in the browser without server-side computation.

Editorial methodology

Articles on Photonica adhere to the following standards:

• Citation. Non-trivial claims are cited. References are real published sources — papers, books, standards documents, and vendor application notes.
• Underlying data. Where original measurements are presented, the underlying data is available for download in machine-readable format.
• Vendor neutrality. Specific instruments are named where the procedure depends on instrument-specific behavior. Product placement is not accepted.
• Revision. Articles carry the original publication date and any revision date. Substantive corrections are noted in the article.

Licensing

All written content is published under the Creative Commons Attribution 4.0 license. Original measurement data is released under CC0. Both licenses permit free use with attribution to Photonica.

Contact

Corrections, suggestions, and contributions can be sent to hello@photonica.io.