Publications

  • Biphoton state generation and engineering with bright hybrid III–V/silicon photonic devices

    Biphoton state generation and engineering with bright hybrid III–V/silicon photonic devices

    The QITE Photonics team at MPQ recently published an article in Optica Quantum. The QITE team at the MPQ Laboratory, in collaboration with STMicroelectronics, C2N, and INPHYNI, published a paper in Optica Quantum on the generation and engineering of two-photon states using III-V/SOI hybrid devices. This study, featured on the cover of the February 25,…

  • Quantum Gas Microscopy of Fermions in the Continuum

    Quantum Gas Microscopy of Fermions in the Continuum

    The Fermi Gas team at Laboratoire Kastler Brossel recently published an article in Physical Review Letter. Atom-based quantum simulators offer a unique platform that enables the imaging of each particle in a many-body system. Until now, however, this capability has been limited to quantum systems in discretized space such as optical lattices and tweezers, where…

  • In-situ Imaging of a Single-Atom Wave Packet in Continuous Space

    In-situ Imaging of a Single-Atom Wave Packet in Continuous Space

    The Fermi Gas team at LKB recently published an article in the journal Physical Review Letters. The authors: We report on the imaging of the in situ spatial distribution of deterministically prepared single-atom wave packets as they expand in a plane, finding excellent agreement with the scaling dynamics predicted by the Schrödinger equation. Our measurement provides a direct…

  • Sub-MHz homogeneous linewidth in epitaxial Y2O3: Eu3+ thin film on silicon

    Sub-MHz homogeneous linewidth in epitaxial Y2O3: Eu3+ thin film on silicon

    The “Crystals and Quantum State Dynamics” team at Chimie ParisTech recently published in the journal Nanophotonics on the occasion of the special issue on the year of quantum science and technology, entitled: Quantum Light : creation, integration, and applications Les auteurs : Thin films offer nanoscale confinement while maintaining compatibility with photonic and microwave architectures,…

  • Production and stabilization of a spin mixture of ultracold dipolar Bose gases

    Production and stabilization of a spin mixture of ultracold dipolar Bose gases

    Researchers of the BEC team from the Laboratoire Kastler Brossel, Collège de France, published an article in the Physical Review Letters. The authors : Binary dipolar mixtures hold great potential for realizing exotic quantum phases, including supersolids—states of matter that combine crystalline order with superfluidity. In this work, we demonstrate the creation and stabilization of…

  • Tunable Generation of Spatial Entanglement in Nonlinear Waveguide Arrays

    Tunable Generation of Spatial Entanglement in Nonlinear Waveguide Arrays

    Researchers of the QITE Photonics team from the MPQ laboratory, recently published an article in the Physical Review Letters. The authors : High-dimensional entangled states of light provide novel possibilities for quantum information, from fundamental tests of quantum mechanics to enhanced computation and communication protocols. In this context, the spatial degree of freedom stands out as…

  • Loss features in ultracold 162 Dy gases: Two- versus three-body processes

    Loss features in ultracold 162 Dy gases: Two- versus three-body processes

    Researchers of the BEC team from the Laboratoire Kastler Brossel, Collège de France, published an article in the Physical Review A. The authors : Dipolar gases like erbium and dysprosium have a dense spectrum of resonant loss features associated with their strong anisotropic interaction potential. These resonances display various behaviors with density and temperature, implying…

  • Vanishing bulk heat flow in the nu=0 quantum Hall ferromagnet in monolayer graphene

    Vanishing bulk heat flow in the nu=0 quantum Hall ferromagnet in monolayer graphene

    Researchers of SPEC, in collaboration with teams of the C2N (Palaiseau, France) and NIMS (Tsukuba, Japan) as well as the startup CRYOHEMT (Orsay, France) recently published an article in Nature physics. The authors : Under high perpendicular magnetic field and at low temperatures, graphene develops an insulating state at the charge neutrality point. This state,…

  • Differential polarizability of the strontium intercombination transition at 1064.7 nm

    Differential polarizability of the strontium intercombination transition at 1064.7 nm

    The “Relaxation dynamics in quantum gases” team from the Charles Fabry Laboratory recently published an article in the Physical Review A. The authors : We measure the scalar, vector, and tensor components of the differential dynamic polarizability of the strontium intercombination transition at 1064.7 nm. We compare the experimental values with the theoretical prediction based…

  • Thermal Melting of a Vortex Lattice in a Quasi-Two-Dimensional Bose Gas

    Thermal Melting of a Vortex Lattice in a Quasi-Two-Dimensional Bose Gas

    The Bose Einstein Condensate (BEC) team at the Laboratoire de Physique des Lasers (LPL) recently published an article in Physical Review Letters. Authors: We report the observation of the melting of a vortex lattice in a fast rotating quasi-two dimensional Bose gas, under the influence of thermal fluctuations. We image the vortex lattice after a…