Single atom trapping in a metasurface lens optical tweezer

Abstract

Optical metasurfaces of subwavelength pillars have provided new capabilities for the versatile definition of the amplitude, phase, and polarization of light. In this work, we demonstrate that an efficient dielectric metasurface lens can be used to trap and image single neutral atoms with a long working distance from the lens of 3 mm. We characterize the high-numerical-aperture optical tweezers using the trapped atoms and compare with numerical computations of the metasurface lens performance. We predict that future metasurfaces for atom trapping will be able to leverage multiple ongoing developments in metasurface design and enable multifunctional control in complex quantum information experiments with neutral-atoms arrays.

arXiv comment11 pages, 6 figures, Add polarization multiplexed lens result in Appendix

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• Invited Review: Micro-fabricated components for cold atom sensors
• Metasurface Holographic Optical Traps for Ultracold Atoms
• Trapping of Single Atoms in Metasurface Optical Tweezer Arrays
• Point singularity array with metasurfaces
• Interleaved dual-species arrays of single atoms using a passive optical element and one trapping laser
• Recent Advances in Nanophotonics for Optofluidics
• Chip-scale sub-Doppler atomic spectroscopy enabled by a metasurface integrated photonic emitter
• Nanoscale Mirrorless Superradiant Lasing
• Dynamical spatial light modulation in the ultraviolet spectral range
• Forces on alkali Rydberg atoms due to non-linearly polarized light
• Tunnel-coupled optical microtraps for ultracold atoms