
Photonic Inc.
Silicon T-centre qubits, photonic entanglement
Photonic builds distributed quantum computers using silicon T-centre spin qubits linked by telecom photons. Founded in 2016 by Dr. Stephanie Simmons, the company uses T-centre defects in silicon with native optical interfaces.
- Series B funding: CAD$180M first close (January 2026) and >US$200M final close (May 2026).
- Selected for DARPA Quantum Benchmarking Initiative Stage B and Canada's Quantum Champions Program.
- Nature Photonics (September 2025): first electrically driven T-centre single-photon source in silicon.
photonic.com↗ (opens photonic.com)Company profile →
- Founded
- 201610 yrs
- Status
- Private
- Valuation
- $2BprivateMay 2026
- Staff
- ~180Jun 2026
- Raised
- $300M3 rounds
- Last round
- Series B (final close) · $70MMay 2026
- Coverage
- 1 program · 5 updateslatest 1 Feb 2026checked 10 Oct
- Lead investors
- Planet First PartnersExport Development CanadaBusiness Development Bank of CanadaMubadala CapitalRBCTELUSMicrosoftBCI
- People
- Stephanie SimmonsFounder & Chief Quantum OfficerDon MattrickCEO