Thirteenth Annual SQuInT Workshop

Boulder Colorado

Start Date: Feb 17, 2011 - 03:00 pm
End Date: Feb 20, 2011 - 12:00 pm

Host: University of New Mexico Center for Quantum Information and Control (CQuIC) and The National Institute of Standards and Technology (NIST), Boulder

Location: Millennium Harvest House, Boulder, Colorado

13th Annual SQuInT Workshop

Boulder, Colorado, February 17-20, 2011
Millennium Harvest House

The 13th Annual SQuInT Workshop was hosted by the University of New Mexico Center for Quantum Information and Control (CQuIC), locally organized by the SQuInT Coordinator Ivan Deutsch.

Satellite Workshop on Ion Trap Technology: February 16-17, 2011

Invited Speakers

  • Jens Eisert (Potsdam)
  • Markus Greiner (Harvard)
  • Morgan Mitchell (ICFO, Barcelona)
  • Sergey Bravyi (IBM)
  • Jonathan Oppenheim (Cambridge)
  • David Poulin (Sherbrooke)
  • Arno Rauschenbeutel (Vienna)
  • Ray Simmonds (NIST)

Thursday Program

3:00 pm - 4:00 pmConference Registration
SESSION 1: Nanomechanics and Superconducting QIP
Session Chair:
4:00 pm - 4:45 pmRaymond Simmonds, National Institute of Standards and Technology
Quantum-based Measurements with Superconducting Circuits
4:45 pm - 5:15 pmEmily Pritchett, University of Waterloo, Institute for Quantum Computing
General-Purpose Quantum Simulation with Prethreshold Superconducting Qubits
SESSION 2: Quantum Error Correction
Session Chair:
5:15 pm - 6:00 pmSergey Bravyi, IBM Watson Research Center
Subsystem and stabilizer quantum codes with spatially local generators
6:00 pm - 7:30 pmEvening Break Buffet
7:30 pm - 8:00 pmDave Bacon, University of Washington
Making Error Correction Spatially Local
8:00 pm - 8:30 pmBryan Fong, HRL Laboratories, LLC
Exchange-Only Computation, Leakage Reduction, and Dynamical Decoupling in the Three-Qubit Decoherence Free Subsystem
8:30 pm - 9:00 pmGerardo Paz, University of Southern California
Concatenated Stabilizer Dynamical Decoupling

Friday Program

7:30 am - 8:30 amConference Breakfast and Registration
SESSION 3: Neutral Atom QIP
Session Chair:
8:30 am - 9:15 amMarkus Greiner, Harvard University
Quantum simulation of an antiferromagnetic Ising chain with longitudinal and transverse magnetic fields
9:15 am - 9:45 amMark Saffman, University of Wisconsin Madison
Towards multi-qubit computing with Rydberg blockade
9:45 am - 10:15 amCarlos Riofrio, University of New Mexico
Quantum tomography of the full hyperfine manifold of atomic spins via continuous measurement on an ensemble
10:15 am - 10:45 amMorning Break
10:45 am - 11:15 amJae Hoon Lee, University of Arizona
Quantum Control of the Motional and Internal Degrees of Freedom of Neutral Atoms
11:15 am - 11:45 amSteven Olmschenk, Joint Quantum Institute, National Institute of Standards and Technology and University of Maryland Department of Physics
Randomized benchmarking of atomic qubits and differential light shift cancellation in an optical lattice
11:45 am - 12:15 pmAndrea Alberti, Universität Bonn
Engineering Coherences at Single-Atom Level
12:15 pm - 1:45 pmConference Lunch
SESSION 4: Quantum Information Theory I
Session Chair:
1:45 pm - 2:30 pmJonathan Oppenheim, University of Cambridge
Uncertainty, nonlocality, & complementarity
2:30 pm - 3:00 pmJon Yard, Los Alamos National Laboratory
Faithful squashed entanglement with applications to separability testing and quantum complexity
3:00 pm - 3:30 pmSteve Flammia, Caltech
Tomography via Compressed Sensing
3:30 pm - 4:00 pmAfternoon Break
SESSION 5: Quantum Metrology
Session Chair:
4:00 pm - 4:45 pmMorgan Mitchell, Institute of Photonic Sciences
Quantum-enhanced magnetometry and nonlinear metrology with atomic ensembles.
4:45 pm - 5:15 pmMankei Tsang, University of New Mexico
Fundamental Quantum Limit to Waveform Estimation
SESSION 6: Poster Session
5:15 pm - 7:15 pmPoster Abstracts

Saturday Program

7:30 am - 8:30 amConference Breakfast
SESSION 7: Atoms in Cavities and Confined Modes
Session Chair:
8:30 am - 9:15 amArno Rauschenbeutel, Institute of Atomic and Subatomic Physics, Vienna University of Technology
Trapping and Interfacing Cold Neutral Atoms Using Optical Nanofibers
9:15 am - 9:45 amLuis Orozco, Joint Quantum Institute, Dept. Physics and National Institute of Standards and Technology, University of Maryland
Light shifts of ground-state quantum beats: A consequence of quantum jumps.
9:45 am - 10:15 amClement Lacroute, California Institute of Technology
Atom trapping in the evanescent field of a tapered optical fiber: towards cQED with micro-toroids and trapped atoms.
10:15 am - 10:45 amMorning Break
SESSION 8: Quantum Algorithms
Session Chair:
10:45 am - 11:30 amDavid Poulin, Université de Sherbrooke
Quantum Metropolis Sampling: An algorithm to simulate thermal systems with a quantum computer
11:30 am - 12:00 pmBryan Eastin, Northrop Grumman Corporation
Simulating Concordant Computations
12:00 pm - 1:30 pmConference Lunch
1:30 pm - 2:15 pmJens Eisert, University of Potsdam
Relaxation, thermalization, and a quantum algorithm to prepare Gibbs states
SESSION 9: Photonic QIP
Session Chair:
2:15 pm - 2:45 pmOlivier Pfister, University of Virginia
Scaling up entanglement in the optical frequency comb: recent experimental progress
2:45 pm - 3:15 pmAdriana Lita, National Institute Of Standards and Technology (NIST) Boulder
Superconducting Transition-Edge Sensors Optimized for High-Efficiency Photon-Number Resolving Detectors
3:15 pm - 4:00 pmAfternoon Break
SESSION 10a: Breakout A -- Quantum Tomography, Estimation, Optimization
Session Chair:
4:00 pm - 4:30 pmRobin Blume-Kohout, Los Alamos National Lab
Confidence intervals for quantum state estimation
4:30 pm - 5:00 pmMike Mullan, National Institute of Standards and Technology
Improving Quantum Clocks via Semidefinite Programming
5:00 pm - 5:30 pmJoshua Combes, Center for Quantum Information and Control, University of New Mexico, USA
Efficient methods for the characterisation of qbit Hamiltonian dynamics
5:30 pm - 6:00 pmYu Tomita, Georgia Institute of Technology
Multi-qubit compensation sequences
SESSION 10b: Breakout B -- Quantum Error Correction and Algorithms
Session Chair:
4:00 pm - 4:30 pmMark Byrd, Southern Illinois University
Pseudo-unitary freedom in the operator-sum representation, positive maps, and quantum error correction
4:30 pm - 5:00 pmJim Harrington, HRL Laboratories
Addressable multi-qubit logic via permutations
5:00 pm - 5:30 pmChing-Yi Lai, University of Southern California
Entanglement-Assisted Quantum Error-Correcting Codes when the Ebits of Receiver are not Perfect
5:30 pm - 6:00 pmAsif Shakeel, University of California at San Diego
An Improved Query for the Hidden Subgroup Problem
SESSION 10c: Breakout C -- Entanglement and Superpositions
Session Chair:
4:00 pm - 4:30 pmMiguel-Angel Garcia-March, Colorado School of Mines
Ultracold bosons in 3D double wells: macroscopic superposition of vortex states and the tunneling of atoms carrying vorticity
4:30 pm - 5:00 pmJess Riedel, Los Alamos National Laboratory
Quantum Darwinism in an Everyday Environment: Huge Redundancy in Scattered Photons
5:00 pm - 5:30 pmPeter Love, Haverford College
Convex Roof Optimization from Cartan Decompositions
5:30 pm - 6:00 pmGilad Gour, Institute for Quantum Information Science, University of Calgary
Multipartite Entanglement: Classification, Quantification, Manipulation, Evolution and Applications
7:00 pm - 9:30 pmConference Banquet

Sunday Program

7:30 am - 8:30 amConference Breakfast
SESSION 11: Ion Trap QIP
Session Chair:
8:30 am - 9:00 amChristian Ospelkaus, National Institute of Standards and Technology, Boulder
Quantum information processing with trapped ions at NIST
9:00 am - 9:30 amKihwan Kim, Joint Quantum Institute and University of Maryland
Quantum simulation with trapped atomic ions
9:30 am - 10:00 amThomas Noel, University of Washington
Rapid Adiabatic Passage on a Trapped Ion with a Noisy Laser
10:00 am - 10:30 amMorning Break
SESSION 12: Quantum Computation
Session Chair:
10:30 am - 11:00 amDavid Feder, University of Calgary
Universal Quantum Computation with Non-Interacting Fermions
11:00 am - 11:30 amRobert Raussendorf, University of British Columbia
The 2D AKLT state is universal for measurement-based quantum computation
11:30 am - 12:00 pmWim van Dam, University of California, Santa Barbara
Noise Thresholds for Higher Dimensional Systems using the Discrete Wigner Function