Visitors and seminars 


UW Physics



lab temperature

atomic time





Spatial pattern observed in a nonlinear optical resonator. (pdf file) 















Quantum physics with atoms and


Mark Saffman Professor 


12th US-Japan seminar Madison, September, 2015


News from the lab:

Cs MOT in 77K cryostat October 2015

Cs MOT cryostat

First Holmium MOT November 2012



Recent papers:

qubit arrayNumerical simulation of coherent error correction arXiv (2015)

qubit arrayComparison of Gaussian and super Gaussian laser beams for addressing atomic qubits arXiv (2015)

qubit array Rydberg blockade, Förster resonances, and quantum state measurements with different atomic species PRA (2015)


qubit array A Rydberg blockade CNOT gate and entanglement in a 2D array of neutral atom qubits PRA (2015)


qubit array Coherence and Rydberg blockade of atomic ensemble qubits PRL (2015)


qubit array Randomized benchmarking of single qubit gates in a 2D array of neutral atom qubits PRL (2015), Physics synopsis


qubit array Measurement of Holmium Rydberg series through MOT depletion spectroscopy PRA (2015)

Doubly magic trapping for Cs atom hyperfine clock transitions, arXiv (2014)

Magneto-Optical Trapping of Holmium Atoms, editor's suggestion, PRA (2014)

Atomic Fock state preparation using Rydberg blockade, PRL (2014)

Hybrid Atom-Photon Quantum Gate in a Superconducting Microwave Resonator, PRA (2014)

Coherent control of mesoscopic atomic ensembles for quantum information, Laser Phys. (2014)

Analysis of a controlled phase gate using circular Rydberg states, PRA (2013)

A two-dimensional lattice of blue detuned atom traps using a projected Gaussian beam array, PRA (2013)

Atom trapping in a bottle beam created by a diffractive optical element, arXiv (2013)

Preparation of entangled and antiferromagnetic states by dissipative Rydberg pumping, PRL (2013)

Quantum gates in mesoscopic atomic ensembles based on adiabatic passage and Rydberg blockade, PRA (2013)

Entanglement of Two Atoms using Rydberg Blockade, Adv. At. Mol. Opt. Phys. (2012)

Fidelity of a Rydberg blockade quantum gate from simulated quantum process tomography, Phys. Rev. A (2012)

A crossed vortex bottle beam trap for single-atom qubits, Opt. Lett. (2012)



We are always looking for postdocs and graduate students interested in expanding the frontiers of quantum information processing and atomic physics.

Interested applicants should send a CV, statement of research interests, and names of two references to Mark Saffman.


Quantum computing curiosity


For more information on quantum computing research in Madison look here.

Research funded by:


Mark Saffman
Department of Physics
University of Wisconsin
1150 University Avenue
Madison, Wisconsin
53706, USA
office: 5330 Chamberlin

tlf: +1 608 265 5601
fax: +1 608 265 2334
msaffman wisc.edu

5323, 5329, 5335 Chamberlin
tlf: 608-265-7894

  visits since 8.april 2000