Optical Levitation of Arrays of Microspheres
arXiv:2412.07088 · doi:10.1103/PhysRevA.111.033514
Abstract
Levitated optomechanical systems are rapidly becoming leading tools for precision sensing of forces and accelerations acting on particles in the femtogram to nanogram mass range. These systems enable a high level of control over the sensor's center-of-mass motion, rotational degrees of freedom, and electric charge state. For many sensing applications, extending these techniques to arrays of sensors enables rejection of correlated noise sources and increases sensitivity to interactions that may be too rare or weak to detect with a single particle. Here we present techniques capable of trapping defect free, two-dimensional arrays of more than 25 microspheres in vacuum. These techniques provide independent control of the optical potential for each sphere. Simultaneous imaging of the motion of all spheres in the array is demonstrated using camera-based imaging, with optimized object tracking algorithms reaching a displacement sensitivity below 1 nm/Hz. Such arrays of levitated microspheres may find applications ranging from inertial sensing to searches for weakly interacting particles such as dark matter.
10 pages, 6 figures
References in corpus (40)
- Logical quantum processor based on reconfigurable atom arrays
- An atom-by-atom assembler of defect-free arbitrary 2d atomic arrays
- Motional Quantum Ground State of a Levitated Nanoparticle from Room Temperature
- Large Quantum Superpositions and Interference of Massive Nanometer-Sized Objects
- Testing the limits of quantum mechanical superpositions
- Optically Levitating Dielectrics in the Quantum Regime: Theory and Protocols
- Search for Millicharged Particles Using Optically Levitated Microspheres
- Simultaneous ground-state cooling of two mechanical modes of a levitated nanoparticle
- Rotational Quantum Friction
- Observation of strong and tunable light-induced dipole-dipole interactions between optically levitated nanoparticles
- Controlling the net charge on a nanoparticle optically levitated in vacuum
- Universal gate operations on nuclear spin qubits in an optical tweezer array of Yb atoms
- Non-Hermitian dynamics and nonreciprocity of optically coupled nanoparticles
- Optical cold damping of neutral nanoparticles near the ground state in an optical lattice
- Two-dimensional quantum motion of a levitated nanosphere
- Supercharged two-dimensional tweezer array with more than 1000 atomic qubits
- Entangled sensor-networks for dark-matter searches
- Coherent scattering of low mass dark matter from optically trapped sensors
- Entanglement-enhanced optomechanical sensor array for dark matter searches
- Entangling levitated nanoparticles by coherent scattering
- Searches for massive neutrinos with mechanical quantum sensors
- Observations of a PT-like phase transition and limit cycle oscillations in non-reciprocally coupled optomechanical oscillators levitated in vacuum
- An integrated atom array -- nanophotonic chip platform with background-free imaging
- All-optical sub-Kelvin sympathetic cooling of a levitated microsphere in vacuum
- 3D sympathetic cooling and detection of levitated nanoparticles
- Maglev for Dark Matter: Dark-photon and axion dark matter sensing with levitated superconductors
- Dark Matter Searches with Levitated Sensors
- Quantum Computing Dataset of Maximum Independent Set Problem on King's Lattice of over Hundred Rydberg Atoms
- Quantum Optical Binding of Nanoscale Particles
- Event-Based Imaging of Levitated Microparticles
- Mechanical detection of nuclear decays
- An apparatus for in-vacuum loading of nanoparticles into an optical trap
- Quantum theory of non-Hermitian optical binding between nanoparticles
- Search for ultralight dark matter with a frequency adjustable diamagnetic levitated sensor
- Imaging based feedback cooling of a levitated nanoparticle
- Long-range optomechanical interactions in SiN membrane arrays
- Non-Hermitian physics of levitated nanoparticle array
- Motional entanglement of remote optically levitated nanoparticles
- Amplitude and phase noise in Two-membrane cavity optomechanics
- Coulomb coupling between two nanospheres trapped in a bichromatic optical tweezer