Bartholomew trained with Sellars (ANU) and Faraon (Caltech) and runs the Quantum Integration Laboratory, which works on rare-earth ions (erbium, europium, ytterbium) in crystals and in nanophotonic devices. Rare-earth ions have the longest optical and spin coherence times of any solid-state emitter, which makes them simultaneously the best optical quantum memories and, less obviously, extremely good sensors: the group works on rare-earth-based microwave and RF quantum sensing, on-chip integration of ions with photonic and superconducting circuits, and telecom-band spin-photon interfaces. Positioned against the established body of NV-ensemble quantum sensing work — DEER, nanoscale NMR and T1 relaxometry protocols operating at pT/sqrt(Hz) field sensitivity — rare-earth ensembles are the closest solid-state analogue to NV ensembles, with narrower optical lines and longer coherence but cryogenic operation; protocols like DEER and dynamical-decoupling-enhanced sensing at pT/sqrt(Hz) map across directly. This is one of the best fits at Sydney for a solid-state spin-sensing candidate.
Barz builds integrated photonic quantum information processors - multi-photon entanglement, verified/blind quantum computing, and photonic networks - with direct relevance to photonic quantum metrology and distributed quantum sensing. In the broader landscape of NV-centre ensemble quantum sensing (DEER, nano-NMR, T1 relaxometry) operating near pT/sqrt(Hz) sensitivity, this work contributes photonic-network and multiphoton-metrology tools.
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.
PREFERRED. Bathe's lab programs DNA and RNA into custom 2D/3D nanoscale materials (DNA origami via the DAEDALUS algorithm) for applications spanning vaccines/therapeutics, massive molecular data storage, and — most relevant here — using DNA as a programmable scaffold to organize photonic and quantum-optical elements (mimicking quantum coherence effects seen in photosynthetic light-harvesting) and single-molecule optical biosensing.
Jean-Baptiste Béguin's research at QUANTOP centers on optical nanofibre-trapped atom interfaces for quantum memories and quantum networks. Research: (1) nanofibre-trapped cold Cs atoms — quantum noise spectroscopy of atom-light spin coupling; (2) single-photon storage and retrieval from nanofibre-guided modes; (3) sub-Poissonian atom loading. Key direction in CBQS center for quantum sensing via coherent atom-photon interfaces.
Bell's group uses DNA nanotechnology and advanced optical microscopy for single-molecule biosensing. Research directions: (1) DNA-based biosensing — DNA origami structures as programmable biosensing platforms; using structural switching of DNA nanodevices to sense specific biomolecules with single-molecule sensitivity; (2) Super-resolution microscopy with DNA — DNA-PAINT and FRET-based single-molecule localization for mapping molecular architectures in cells; (3) Solid-state nanopores — DNA-threaded through nanopores as a precision biosensor for protein identification and force measurement; (4) Multiplexed single-molecule detection — combining DNA-based sensors with optical readout for parallel biomolecule profiling. New group established at UCL, strong biosensing focus.
Berengut works on the atomic structure theory underpinning next-generation clocks: highly charged ions, whose optical transitions are both extremely narrow and exceptionally sensitive to variation of fundamental constants and to new physics, and the thorium-229 nuclear clock. He identifies which ionic species and transitions maximise sensitivity to the physics of interest while remaining experimentally accessible, and computes the many-body structure needed to interpret them — work that has directly guided the experimental HCI clock programmes at PTB, MPIK and NIST. Positioned against the established body of NV-ensemble quantum sensing work — DEER, nanoscale NMR and T1 relaxometry protocols operating at pT/sqrt(Hz) field sensitivity — clocks and magnetometers are the two great classes of quantum sensor; his work is on the frequency side of the same estimation problem that fixes pT/sqrt(Hz) performance on the magnetic side. Theory PI with close experimental collaborations.
Beugnon is one of five permanent members of LKB's Bose-Einstein Condensates team (associated with Jean Dalibard's Atoms and Radiation chair at College de France), studying two-dimensional Bose gases, superfluidity, and box-trapped homogeneous quantum gases as precisely controllable quantum simulators.
Biercuk's Quantum Control Laboratory sits precisely at the intersection of control engineering and precision measurement. The group uses trapped ytterbium ions — including large 2D Penning-trap crystals — as both quantum simulators and as calibrated sensors, and is best known for noise spectroscopy: using the qubit itself as a spectrum analyser of its environment, then designing dynamical-decoupling and open-loop control sequences that null the dominant noise. That programme produced Q-CTRL, his quantum control software company, and more recently a serious push into quantum sensing for navigation (magnetic anomaly navigation, quantum-enhanced RF sensing) as a commercial and defence application. Positioned against the established body of NV-ensemble quantum sensing work — DEER, nanoscale NMR and T1 relaxometry protocols operating at pT/sqrt(Hz) field sensitivity — his filter-function and noise-spectroscopy formalism is now standard equipment in the NV community for designing the DEER and dynamical-decoupling sequences that deliver pT/sqrt(Hz) sensitivity; a candidate from that background would find the theoretical toolkit immediately familiar. Large, well-funded group with strong industry pathways.
The LKB atom interferometry group (also at SYRTE, Observatoire de Paris) develops cold atom inertial sensors including the world's best gyroscopes and gravimeters. Key research (Geiger, Landragin et al.): (1) interleaved cold atom gyroscope with 3.75 Hz sampling and 800ms interrogation (record sensitivity); (2) cold atom gradiometer for gravity gradient mapping; (3) atom chip-based compact sources for inertial navigation; (4) quantum optimal control for robust matter-wave sensing. QAFCA project (PEPR Quantique) on quantum sensors for geoscience and navigation. Note: The main PI is Remi Geiger (CNRS) / Arnaud Landragin, both at SYRTE/Observatoire de Paris (PSL), but LKB atom interferometry team is at ENS site.