Quantum computing with atomic qubits and Rydberg interactions: progress and challenges

M Saffman - Journal of Physics B: Atomic, Molecular and Optical …, 2016 - iopscience.iop.org
We present a review of quantum computation with neutral atom qubits. After an overview of
architectural options and approaches to preparing large qubit arrays we examine Rydberg …

Quantum information with Rydberg atoms

M Saffman, TG Walker, K Mølmer - Reviews of modern physics, 2010 - APS
Rydberg atoms with principal quantum number n⪢ 1 have exaggerated atomic properties
including dipole-dipole interactions that scale as n 4 and radiative lifetimes that scale as n 3 …

Experimental investigations of dipole–dipole interactions between a few Rydberg atoms

A Browaeys, D Barredo, T Lahaye - Journal of Physics B: Atomic …, 2016 - iopscience.iop.org
This review summarizes experimental works performed over the last decade by several
groups on the manipulation of a few individual interacting Rydberg atoms. These studies …

A Rydberg quantum simulator

H Weimer, M Müller, I Lesanovsky, P Zoller… - Nature Physics, 2010 - nature.com
A universal quantum simulator is a controlled quantum device that reproduces the dynamics
of any other many-particle quantum system with short-range interactions. This dynamics can …

Demonstration of a Neutral Atom Controlled-NOT Quantum Gate

L Isenhower, E Urban, XL Zhang, AT Gill, T Henage… - Physical review …, 2010 - APS
We present the first demonstration of a cnot gate between two individually addressed neutral
atoms. Our implementation of the cnot uses Rydberg blockade interactions between neutral …

Observation of Rydberg blockade between two atoms

E Urban, TA Johnson, T Henage, L Isenhower… - Nature Physics, 2009 - nature.com
Blockade interactions whereby a single particle prevents the flow or excitation of other
particles provide a mechanism for control of quantum states, including entanglement of two …

Nonlinear quantum optics mediated by Rydberg interactions

O Firstenberg, CS Adams… - Journal of Physics B …, 2016 - iopscience.iop.org
By mapping the strong interaction between Rydberg excitations in ultra-cold atomic
ensembles onto single photons via electromagnetically induced transparency, it is now …

Rydberg-blockade controlled-not gate and entanglement in a two-dimensional array of neutral-atom qubits

KM Maller, MT Lichtman, T Xia, Y Sun, MJ Piotrowicz… - Physical Review A, 2015 - APS
We present experimental results on two-qubit Rydberg-blockade quantum gates and
entanglement in a two-dimensional qubit array. Without postselection against atom loss we …

Observation of collective excitation of two individual atoms in the Rydberg blockade regime

A Gaëtan, Y Miroshnychenko, T Wilk, A Chotia… - Nature Physics, 2009 - nature.com
When two quantum systems interact strongly with each other, their simultaneous excitation
by the same driving pulse may be forbidden. The phenomenon is known as blockade of …

Entanglement of two individual neutral atoms using Rydberg blockade

T Wilk, A Gaëtan, C Evellin, J Wolters… - Physical review …, 2010 - APS
We report the generation of entanglement between two individual Rb 87 atoms in hyperfine
ground states| F= 1, M= 1⟩ and| F= 2, M= 2⟩ which are held in two optical tweezers …