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We have generated multiple micron-sized optical dipole traps for neutral atoms using holographic techniques with a programmable liquid crystal spatial light modulator. The setup allows the storing of a single atom per trap, and the…

Arrays of neutral atoms present a promising system for quantum computing, quantum sensors, and other applications, several of which would profit from the ability to load, cool, and image the atoms in a finite magnetic field. In this work,…

Programmable neutral-atom arrays offer a promising route toward scalable quantum computing, where coherent qubit transfer enables non-local connectivity and reduces resource overhead. However, transfer speed and motional heating remain key…

Quantum Physics · Physics 2026-04-10 Jia-Chao Wang , Zai-Zheng Zhang , Xiao Li , Guang-Wei Wang , Xiao-Dong He , Min Liu , Peng Xu

Dynamic reconfiguration is crucial for nanoplasmonic structures to achieve diversified functions and optimize performances; however, the dynamic reconfiguration of spatial arrangements remains a formidable technological challenge. Here, we…

Recent advances in nanomaterials have pushed the boundaries of nanoscale fabrication to the limit of single atoms (SAs), particularly in heterogeneous catalysis. Single atom catalysts (SACs), comprising minute amounts of transition metals…

Single atoms in dipole microtraps or optical tweezers have recently become a promising platform for quantum computing and simulation. Here we report a detailed theoretical analysis of the physics underlying an implementation of a Rydberg…

Periodic driving enables the engineering of complex quantum matter, yet in interacting systems it generically leads to energy absorption, which limits the lifetime of the engineered states. To address this challenge, dynamical freezing has…

Quantum Physics · Physics 2026-04-28 Madhumita Sarkar , Ben Zindorf , Bhaskar Mukherjee , Sougato Bose , Roopayan Ghosh

We demonstrate a novel technique for creating, manipulating, and combining femtoliter volume chemical containers. Possible uses include creating controlled chemical reactions involving small quantities of reagent, and studying the dynamics…

Biological Physics · Physics 2007-05-23 J. E. Reiner , A. M. Crawford , R. B. Kishore , Lori. S. Goldner , M. K. Gilson , K. Helmerson

A single-atom 'double-slit' experiment is realized by photo-ionizing Rubidium atoms using two independent low power lasers. The photoelectron wave of well-defined energy recedes to the continuum either from the 5P or 6P states in the same…

Atomic Physics · Physics 2019-01-17 James Pursehouse , Andrew James Murray , Jonas Wätzel , Jamal Berakdar

The International Space Station (ISS) is an unparalleled laboratory for studying colloidal suspensions in microgravity. The first colloidal experiments on the ISS involved passive observation of suspended particles, and current experiments…

Instrumentation and Detectors · Physics 2019-09-10 Janelle C Shane , Roylyn Serati , Hugh J. Masterson , Steve Serati

Single atoms provide an ideal system for utilizing fundamental quantum functions. Their electrons have well-defined energy levels and spin properties. Even more importantly, for a given isotope -- say, $^{12}$C -- all the atoms are…

Mesoscale and Nanoscale Physics · Physics 2022-09-23 Saban M. Hus , An-Ping Li

We report on the first realization of a novel neutral atom qubit encoded in the metastable fine-structure states ${^3\rm{P}_0}$ and ${^3\rm{P}_2}$ of single $^{88}$Sr atoms trapped in an optical tweezer. Raman coupling of the qubit states…

The quantum matter synthesizer (QMS) is a new quantum simulation platform in which individual particles in a lattice can be resolved and re-arranged into arbitrary patterns. The ability to spatially manipulate ultracold atoms and control…

Quantum Gases · Physics 2022-08-26 Jonathan Trisnadi , Mingjiamei Zhang , Lauren Weiss , Cheng Chin

Entanglement is crucial to many quantum applications including quantum information processing, simulation of quantum many-body systems, and quantum-enhanced sensing. Molecules, because of their rich internal structure and interactions, have…

Quantum Gases · Physics 2024-06-18 Connor M. Holland , Yukai Lu , Lawrence W. Cheuk

This paper proposes a scalable planning algorithm for creating defect-free atom arrays in neutral-atom systems. The algorithm generates a $\mathcal{O}(\sqrt N)$ time plan for $N$ atoms by parallelizing atom transport using a two-dimensional…

Quantum Physics · Physics 2026-04-08 Koki Aoyama , Takafumi Tomita , Fumihiko Ino

The ability to control single dopants in solid-state devices has opened the way towards reliable quantum computation schemes. In this perspective it is essential to understand the impact of interfaces and electric fields, inherent to…

Mesoscale and Nanoscale Physics · Physics 2015-06-23 B. Voisin , J. Salfi , J. Bocquel , R. Rahman , S. Rogge

The most recent manifestation of cold Rydberg atom quantum simulators that employs tailored optical tweezer arrays enables the study of many-body dynamics under so-called facilitation conditions. We show how the facilitation mechanism…

Quantum Physics · Physics 2018-02-05 Maike Ostmann , Matteo Marcuzzi , Jiri Minar , Igor Lesanovsky

We report simultaneous Raman sideband cooling of a single $^{87}$Rb atom and a single $^{133}$Cs atom held in separate optical tweezers at 814\,nm and 938\,nm, respectively. Starting from outside the Lamb-Dicke regime, after 45\,ms of…

Atomic Physics · Physics 2022-10-19 S. Spence , R. V. Brooks , D. K. Ruttley , A. Guttridge , Simon L. Cornish

We suggest a simple approach to populate photonic quantum materials at non-zero chemical potential and near-zero temperature. Taking inspiration from forced evaporation in cold-atom experiments, the essential ingredients for our low-entropy…

Quantum Gases · Physics 2017-04-19 Ruichao Ma , Clai Owens , Andrew Houck , David I. Schuster , Jonathan Simon