Research Areas - (169) Quantum Optics

Full path: Physics > Quantum Optics

Department(s)/lab(s): Physics – Institute for Quantum Electronics | Quantum Photonics Group (Imamoglu) @ ETH Zurich
Summary:

Imamoglu leads the Quantum Photonics Group at ETH, working at the intersection of quantum optics and condensed matter physics. Research directions: (1) Quantum emitters in 2D semiconductors β€” TMD monolayers (MoSe2, WSe2) host localized excitons that act as single-photon emitters; electrically tunable quantum dots in TMD heterostructures with high purity and spin-photon entanglement; developing them as quantum sensors of local electronic correlations at nanometer scales; (2) Strongly correlated electron physics β€” Mott insulator / Wigner crystal phases in moirΓ© TMD bilayers probed optically with single-photon resolution; mapping electronic phases with nanometer spatial resolution; (3) Polariton quantum fluids β€” exciton-polaritons in 2D semiconductor microcavities; (4) Quantum nonlinear optics β€” photon-photon interactions via giant Kerr nonlinearities in strongly coupled quantum dots. Quantum sensing angle: quantum emitters as nanoscale probes of correlated phases.

Department(s)/lab(s): PME | Jiang Group @ UChicago
Summary:

Quantum information theorist with strong focus on quantum sensing. Directions: (1) error-correction-enhanced quantum sensing protocols surpassing Heisenberg limit; (2) quantum transduction theory for microwave-optical interfaces; (3) global-scale quantum network architecture; (4) room-temperature NV-based nanoscale magnetometry theory; (5) sub-wavelength quantum imaging protocols. Works closely with experimental quantum sensing groups at UChicago and beyond.

Department(s)/lab(s): Electrical Engineering / QET Labs | Joshi Group (Bristol QET Labs) @ Bristol
Summary:

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.

Department(s)/lab(s): Imaging Physics (ImPhys) | Kalkman Lab (OCT Spectroscopy) @ TU Delft
Summary:

Jeroen Kalkman develops optical tomography and spectroscopy methods for biomedical imaging. Research: (1) Fourier-domain OCT including spectroscopic OCT for tissue structural and functional imaging; (2) novel light sources and detectors for skin cancer detection (NWO KIC project NextDeLights); (3) scattering media imaging. His work is relevant to advanced biosensing with optical coherence.

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Department(s)/lab(s): Physics and Astronomy | QUEST Group (Kamal Lab) @ Northwestern
Summary:

Kamal directs the QUEST (QUantum Engineering Science and Technology) group, developing theory for quantum-limited readout of superconducting circuits: nonreciprocal parametric (Josephson-junction) amplifiers, left-handed-metamaterial traveling-wave amplifiers, and autonomous entanglement stabilization/error-correction protocols. Her work sets the fundamental noise limits that superconducting-qubit-based quantum sensors and quantum computers can approach, in close collaboration with experimental groups at NIST Boulder and elsewhere. The group is actively recruiting postdoctoral scholars.

Department(s)/lab(s): Physics | Kasevich Lab @ Stanford
Summary:

Kasevich is a pioneer of light-pulse atom interferometry, building cold-atom sensors of rotation, acceleration, and gravity that rival or exceed classical inertial instruments, and precision tests of general relativity and searches for dark matter and gravitational waves via large-scale atom interferometers (including MAGIS-100). His 2022 Nature paper demonstrated distributed quantum sensing with mode-entangled, spin-squeezed atomic states, extending entanglement-enhanced metrology to networks of separated sensors.

Department(s)/lab(s): School of Chemistry | Kassal Group @ USyd
Summary:

Kassal is the leading Australian theorist of quantum effects in light harvesting. He established the distinction between coherent processes and coherent states in photosynthesis β€” showing that under incoherent sunlight at steady state, wavelike motion per se does not enhance efficiency, while environment-assisted transport and supertransfer genuinely can β€” and has since developed a classification of the mechanisms by which coherence (excitonic, vibrational, or of the light field itself) can improve energy transport. He also pioneered quantum-computer algorithms for chemistry. A distinct and directly relevant thread is the theory of spectroscopy with non-classical light: what entangled or squeezed photons can reveal about molecular coherence that classical light cannot. Positioned against the established body of NV-ensemble quantum sensing work β€” DEER, nanoscale NMR and T1 relaxometry protocols operating at pT/sqrt(Hz) field sensitivity β€” his work is the theoretical counterpart to the quantum-biology ambitions of the NV community: where NV ensembles at pT/sqrt(Hz) try to detect the magnetic signatures of biological spin chemistry, Kassal asks what quantum coherence is actually doing in those systems and whether quantum light can interrogate it.

Department(s)/lab(s): Physics | Quantum Optics and Laser Science Group @ Imperial
Summary:

Kim's theoretical group works on quantum optics and quantum information, including generation and application of non-classical light (cat states, GKP states) for quantum metrology, continuous-variable quantum information and fundamental tests of quantum mechanics.

Department(s)/lab(s): Physics – Institute of Physics (IPHYS) | Laboratory of Photonics and Quantum Measurements (K-Lab) @ EPFL
Summary:

Kippenberg leads the Laboratory of Photonics and Quantum Measurements (K-Lab) at EPFL, pioneer of chip-scale microresonator frequency combs and cavity optomechanics. Research directions: (1) Soliton microcombs β€” dissipative Kerr solitons in Si3N4 microresonators for massively parallel coherent optical communications, precision ranging/LiDAR (Science 2018, Nature 2017); dual-chirped microcomb parallel ranging at megapixel rates; (2) Room-temperature quantum optomechanics β€” phononic-crystal-patterned Si3N4 membrane-in-the-middle cavity reduces frequency noise 700Γ—, observing quantum backaction at room temperature (Nature 2024); (3) Superconducting circuit optomechanics β€” topological lattices, electromechanical sensing (Nature 2022); (4) Free-electron–photon interactions in microresonators. Spin-off companies and strong industry ties. Over 85,000 citations, h-index ~80.

Department(s)/lab(s): Physics & Astronomy | Kocharovskaya Group @ TAMU
Summary:

Kocharovskaya is a theorist (with supporting experiment) in coherent optics: EIT, lasing without inversion, and X-ray/gamma quantum optics using nuclear coherent control (Moessbauer nuclei) for ultra-narrowband photon storage and precision spectroscopy. In the broader landscape of NV-centre ensemble quantum sensing (DEER, nano-NMR, T1 relaxometry) operating near pT/sqrt(Hz) sensitivity, this work provides coherent-control primitives relevant to precision sensing.