papers

Publications (21)

quant-ph2024

Large-scale quantum reservoir learning with an analog quantum computer

Milan Kornjača, Hong-Ye Hu, Chen Zhao +50

Quantum machine learning has gained considerable attention as quantum technology advances, presenting a promising approach for efficiently learning complex data patterns. Despite t…

quant-ph2023

Aquila: QuEra's 256-qubit neutral-atom quantum computer

Jonathan Wurtz, Alexei Bylinskii, Boris Braverman +10

The neutral-atom quantum computer "Aquila" is QuEra's latest device available through the Braket cloud service on Amazon Web Services (AWS). Aquila is a "field-programmable qubit a…

quant-ph2019

Integrating Neural Networks with a Quantum Simulator for State Reconstruction

Giacomo Torlai, Brian Timar, Evert P. L. van Nieuwenburg +9

We demonstrate quantum many-body state reconstruction from experimental data generated by a programmable quantum simulator, by means of a neural network model incorporating known e…

quant-ph2019

Quantum Kibble-Zurek mechanism and critical dynamics on a programmable Rydberg simulator

Alexander Keesling, Ahmed Omran, Harry Levine +12

Quantum phase transitions (QPTs) involve transformations between different states of matter that are driven by quantum fluctuations. These fluctuations play a dominant role in the…

quant-ph2021

Dispersive optical systems for scalable Raman driving of hyperfine qubits

Harry Levine, Dolev Bluvstein, Alexander Keesling +7

Hyperfine atomic states are among the most promising candidates for qubit encoding in quantum information processing. In atomic systems, hyperfine transitions are typically driven…

quant-ph2024

Experimental Demonstration of Logical Magic State Distillation

Pedro Sales Rodriguez, John M. Robinson, Paul Niklas Jepsen +70

Realizing universal fault-tolerant quantum computation is a key goal in quantum information science. By encoding quantum information into logical qubits utilizing quantum error cor…

quant-ph2020

Controlling many-body dynamics with driven quantum scars in Rydberg atom arrays

Dolev Bluvstein, Ahmed Omran, Harry Levine +12

Controlling non-equilibrium quantum dynamics in many-body systems is an outstanding challenge as interactions typically lead to thermalization and a chaotic spreading throughout Hi…

quant-ph2016

Cold Matter Assembled Atom-by-Atom

Manuel Endres, Hannes Bernien, Alexander Keesling +7

The realization of large-scale fully controllable quantum systems is an exciting frontier in modern physical science. We use atom-by-atom assembly to implement a novel platform for…

quant-ph2022

Quantum Optimization of Maximum Independent Set using Rydberg Atom Arrays

Sepehr Ebadi, Alexander Keesling, Madelyn Cain +21

Realizing quantum speedup for practically relevant, computationally hard problems is a central challenge in quantum information science. Using Rydberg atom arrays with up to 289 qu…

physics.optics2019

Large-Scale Uniform Optical Focus Array Generation with a Phase Spatial Light Modulator

Donggyu Kim, Alexander Keesling, Ahmed Omran +5

We report a new method to generate uniform large-scale optical focus arrays (LOFAs). By identifying and removing undesired phase rotation in the iterative Fourier-transform algorit…

quant-ph2021

A quantum processor based on coherent transport of entangled atom arrays

Dolev Bluvstein, Harry Levine, Giulia Semeghini +9

The ability to engineer parallel, programmable operations between desired qubits within a quantum processor is central for building scalable quantum information systems. In most st…

quant-ph2018

High-fidelity control and entanglement of Rydberg atom qubits

Harry Levine, Alexander Keesling, Ahmed Omran +7

Individual neutral atoms excited to Rydberg states are a promising platform for quantum simulation and quantum information processing. However, experimental progress to date has be…

quant-ph2024

Observation of string breaking on a (2 + 1)D Rydberg quantum simulator

Daniel Gonzalez-Cuadra, Majd Hamdan, Torsten V. Zache +10

Lattice gauge theories (LGTs) describe a broad range of phenomena in condensed matter and particle physics. A prominent example is confinement, responsible for bounding quarks insi…

quant-ph2024

Probing quantum floating phases in Rydberg atom arrays

Jin Zhang, Sergio H. Cantú, Fangli Liu +10

The floating phase, a critical incommensurate phase, has been theoretically predicted as a potential intermediate phase between crystalline ordered and disordered phases. In this s…

quant-ph2024

Industry applications of neutral-atom quantum computing solving independent set problems

Jonathan Wurtz, Pedro L. S. Lopes, Christoph Gorgulla +3

Architectures for quantum computing based on neutral atoms have risen to prominence as candidates for both near and long-term applications. These devices are particularly well suit…

quant-ph2019

Generation and manipulation of Schrödinger cat states in Rydberg atom arrays

Ahmed Omran, Harry Levine, Alexander Keesling +16

Quantum entanglement involving coherent superpositions of macroscopically distinct states is among the most striking features of quantum theory, but its realization is challenging,…

quant-ph2017

Probing many-body dynamics on a 51-atom quantum simulator

Hannes Bernien, Sylvain Schwartz, Alexander Keesling +9

Controllable, coherent many-body systems can provide insights into the fundamental properties of quantum matter, enable the realization of new quantum phases and could ultimately l…

quant-ph2022

Hardware-Efficient, Fault-Tolerant Quantum Computation with Rydberg Atoms

Iris Cong, Harry Levine, Alexander Keesling +3

Neutral atom arrays have recently emerged as a promising platform for quantum information processing. One important remaining roadblock for the large-scale application of these sys…

quant-ph2019

Parallel implementation of high-fidelity multi-qubit gates with neutral atoms

Harry Levine, Alexander Keesling, Giulia Semeghini +8

We report the implementation of universal two- and three-qubit entangling gates on neutral atom qubits encoded in long-lived hyperfine ground states. The gates are mediated by exci…

quant-ph2021

Probing Topological Spin Liquids on a Programmable Quantum Simulator

Giulia Semeghini, Harry Levine, Alexander Keesling +13

Quantum spin liquids, exotic phases of matter with topological order, have been a major focus of explorations in physical science for the past several decades. Such phases feature…

quant-ph2020

Quantum Phases of Matter on a 256-Atom Programmable Quantum Simulator

Sepehr Ebadi, Tout T. Wang, Harry Levine +12

Motivated by far-reaching applications ranging from quantum simulations of complex processes in physics and chemistry to quantum information processing, a broad effort is currently…