Summary: Bristol's Quantum Engineering Technology (QET) Labs is a major EPSRC Quantum Technology Hub and one of the UK's most prominent quantum sensing centres. Key areas: quantum photonic sensing (integrated photonic chips for sensing, squeezed light); atom interferometry and inertial quantum sensing (gravimetry, accelerometry — directly relevant to geophysical and astronomical sensing); superconducting quantum detectors; quantum-enhanced imaging. The Centre for Quantum Photonics has pioneered on-chip quantum optical experiments. Quantum nanoscience group contributes to bio-sensing at the nanoscale. Strong for both bio and astro quantum sensing.
Notes: Russell Group university. QET Labs is an EPSRC Quantum Technology Hub. Centre for Quantum Photonics (CQP) pioneered integrated quantum photonics. Key groups: quantum photonic sensing, atom interferometry (inertial sensing, gravimetry), superconducting detectors, quantum nanoscience. Strong industry partnerships (e.g. Quantum Dice, Duality). Quantum Engineering CDT.
Krishna Balram (inaugural lecture May 2026) develops photonic quantum engineering at the intersection of photonics, mechanics, and quantum information. Research: (1) piezoelectric optomechanical resonators (GaAs, AlN) for microwave-optical quantum transduction; (2) photonic integrated circuits for quantum sensing; (3) on-chip phononic and photonic crystal devices. Focuses on enabling technologies for quantum repeater nodes and sensors.
Sahar Basiri-Esfahani is a quantum optics theorist working on squeezed light, continuous-variable quantum systems, quantum noise, and quantum measurement theory. Research interests include quantum noise reduction in optomechanical systems, theoretical frameworks for quantum sensing with squeezed and entangled states, and quantum-enhanced measurement protocols. Borderline theoretical inclusion.
Alex Clark's group works at the interface of quantum science and technology, focusing on: (1) quantum imaging with undetected photons (mid-IR sensing at 3.28 µm using CMOS cameras and entangled photons — QIUP technique); (2) single-molecule photon sources (molecules coupled to nanophotonic cavities); (3) quantum memory protocols (ORCA and ATS in atomic vapours for telecom-band photon storage); (4) integrated photonics for quantum sensing. Director of QET Labs; Work Package Leader in three UK Quantum Technology Hubs.
Rachel Clark's research focuses on integrated quantum photonic devices, squeezed light generation on-chip, and nonlinear photonics. Research: (1) on-chip squeezed light generation in silicon nitride and lithium niobate waveguide platforms; (2) continuous-variable quantum photonic circuits; (3) nonlinear photonics for quantum sensing. This group is directly relevant to quantum-enhanced sensing with squeezed light.
Edmund Harbord researches quantum communications, solid-state quantum optics, and topological photonic structures. Research: (1) single-photon sources based on solid-state emitters (quantum dots, colour centres); (2) topological photonic crystal structures for robust quantum light propagation; (3) quantum communication protocols. Bridges photonics engineering with quantum networking.
Siddarth Joshi's group works on satellite-based quantum key distribution, quantum information protocols, and chip-scale quantum technologies. Research: (1) QKD receiver miniaturization for satellites and CubeSats; (2) chip-scale quantum random number generation and single-photon detection; (3) quantum metrology and sensing with photonic chips. Part of EPSRC Quantum Communications Hub.
Anthony Laing's group pioneers photonic quantum computing and quantum simulation, having invented integrated quantum photonics. Research: (1) universal reconfigurable photonic quantum processors; (2) photonic quantum simulation for chemistry and materials science; (3) photonic quantum sensing using multi-photon interference on chip. Founded PsiQuantum co-founder and Quantum in the Summer school.
Ruth Oulton's group works on quantum photonics using solid-state single-photon emitters. Research: (1) semiconductor quantum dot single-photon sources — cavity-enhanced emission, photonic crystal integration; (2) hBN defect spin-photon interfaces; (3) integrated quantum photonics for sensing and quantum networks. The group focuses on device-quality semiconductor photonic systems for quantum information and sensing applications.
John Rarity's group works on quantum-enhanced measurements and free-space quantum key distribution. Research: (1) quantum imaging with undetected photons — mid-infrared gas sensing (CO2, CH4) exploiting entangled photon pairs, with only near-IR photons detected (startup QLM); (2) sub-shot-noise imaging using quantum-identical photon beams; (3) spin-photon interfaces (1D cavity with near-unit scattering efficiency); (4) compact satellite QKD transmitters (EPSRC Quantum Comms Hub). Highly relevant to quantum-enhanced sensing.
Giulia Rubino's research bridges quantum foundations and quantum technologies using integrated photonics. Research: (1) indefinite causal order — experimental demonstration of quantum switch using photonic chips; (2) quantum thermodynamics — fundamental limits of thermodynamic work extraction in quantum systems; (3) quantum information processing with photonic integrated circuits. Appointed Lecturer January 2024.