Technology hub: Quantum sensing and metrology
Physical platform: Quantum light: squeezed, entangled and single photons
Non-classical states of light, such as squeezed light, entangled photon pairs and single photons, used for quantum-enhanced interferometry, imaging and spectroscopy.
- Axis
- Physical platform — Which quantum system does the measuring?
- Validation
- Proposed — not yet validated by an expert
- Sources
- Quantum Flagship: Strategic Research and Industry Agenda (SRIA) for quantum technologies, draft for the second phase of the public consultation; chapter 3, Quantum Sensing & Metrology Roadmap Update 2026 (pp. 75 to 100), p. 90 (nonclassical states of light); p. 76 (quantum imaging) (read 2026-10-29)
- CEN/CENELEC JTC 22 Quantum Technologies: Standardization Roadmap on Quantum Technologies, Release 1.1 (June 2025), JTC22 Q06; chapter 9, Quantum metrology, quantum sensing and quantum imaging, p. 92 (d: quantum photonics, twin beam and squeezed light) (read 2026-10-29)
- EURAMET, European Metrology Network for Quantum Technologies (EMN-Q): European Metrology Network on Quantum Technologies: Strategic Research Agenda (draft V1.0, 8 June 2023), PDF p. 34 (squeezed light, as used in LIGO) (read 2026-10-29)
- OurResearch: T11414 Quantum optics and atomic interactions (broader match) (read 2026-10-29)
- Publications Office of the European Union: e09e98aa-d55f-4d90-a60e-29da9b299ad8 quantum optics (broader match) (read 2026-10-29)
Classification rules of this value
families: quantum-imaging; CPC: G01B2290/55; keywords: squeezed light, squeezed state*, light squeezing, entangled photon*, photon pair*, non-classical light, nonclassical light, quantum light, quantum-enhanced interferomet*, quantum optical sens*, photonic quantum sens*, quantum photonic*, single-photon source*, parametric down-conversion, ghost imaging, quantum illumination, quantum lidar, quantum radar, twin beam*
56 confirmed items have this value.
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- Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung Ev
- Interuniversitair Micro-Electronica Centrum
- Institute of Science and Technology Austria
- University of Bristol
- Heriot-Watt University
- QuantERA Call 2025 Results: 39 Projects Driving Future Quantum Technologies
Back to every value of the axis on the hub page of Quantum sensing and metrology · Expert review sheet of the faceted taxonomy (every value, definition and source)