Duality Quantum Photonics is a UK-based quantum technology company founded in 2020 that develops integrated quantum photonics circuits and components for quantum computing, quantum communications, and quantum sensing applications, specializing in integrated photonic chips that enable scalable photonic quantum systems with high integration density, providing essential building blocks for photonic quantum technologies including quantum light sources, quantum interferometers, and photonic quantum processors for researchers and companies developing quantum applications. In February 2026, Duality won a contract with the UK Atomic Energy Authority to process optical signals for fusion-reactor error detection, and it has raised more than GBP 10M in non-dilutive funding.
Quantum Specifications
Quantum Focus
hardware
Key People
JR
John Rarity
Co-founder
Backed By
Lakestar
Lightspeed Venture Partners
Quantum Coast Capital
Type One Ventures
Trumpf Venture
Gic Government Of Singapore Investment Corporation
Duality Quantum Photonics is a UK-based quantum technology company founded in 2020 that develops integrated quantum photonics circuits and components for quantum computing, quantum communications, and quantum sensing applications, specializing in integrated photonic chips that enable scalable photonic quantum systems with high integration density, providing essential building blocks for photonic quantum technologies including quantum light sources, quantum interferometers, and photonic quantu...
Duality Quantum Photonics is headquartered in London, United Kingdom.
Duality Quantum Photonics was founded in 2020.
Duality Quantum Photonics works with Photonic quantum technology.
Duality Quantum Photonics operates in the following sectors: quantum photonics, quantum hardware, quantum components, quantum communications.
