# Silicon photonics



Theme: Photonics and optics (Technology). Page: https://thematiq.io/themes/photonics-and-optics/silicon-photonics/

## Key facts

- **Investor interest: 3** ETFs follow Photonics and optics, with $526m (ETFIQ, 28 Oct 2026)

### What is Silicon photonics?

A sub-theme of Photonics and optics.

Data as of the latest run. Source: ThematIQ (industry research, company filings, exchange data), ETFIQ (fund counts), and the publishers linked above. Not investment advice.