# Sixteenth Annual SQuInT Workshop

Start Date: Feb 20, 2014 - 08:30am

End Date: Feb 22, 2014 - 06:00pm

Host: University of New Mexico Center for Quantum Information and Control (CQuIC)

Location: Inn at Loretto, Sante Fe, New Mexico

# Invited Speakers:

- A. Aspuru-Guzik, Harvard
- A. Bleszynski Jayich, UCSB
- R. E. Cleve, U. Waterloo
- P. Hayden, Stanford
- S. Hofferberth, U. Stuttgart
- E. Knill, NIST Boulder
- W.D. Phillips, NIST/JQI
- B. W. Reichardt, USC
- K.C. Schwab, Caltech
- S. Shankar, Yale
- T. Vidick, MIT
- V. Vuletic, MIT

# Thursday Program

SESSION 1: Quantum Information Processing with Trapped Ions | |

8:30am - 9:15am | Sebastian Hofferberth, Universität Stuttgart (invited) |

Single charged impurities inside a Bose-Einstein condensate | |

9:15am - 9:45am | John Gaebler, National Institute of Standards and Technology |

Trapped-ion quantum information processing experiments at NIST | |

9:45am - 10:15am | True Merrill, Georgia Tech Research Institute |

An on-chip toolset for surface-electrode trap based quantum processors | |

10:15am - 10:45am | Break |

SESSION 2: Quantum Algorithms | |

10:45am - 11:30am | Richard Cleve, University of Waterloo (invited) |

Simulating Hamiltonian evolution on a quantum computer | |

11:30am - 12:00pm | Rolando Somma, Los Alamos National Laboratory |

A quantum fractional Fourier transform | |

12:00pm - 1:30pm | Lunch |

SESSION 3: Quantum Optics | |

2:15pm - 2:45pm | Francisco Elohim Becerra, University of New Mexico |

Robust and high-sensitivity nonorthogonal coherent state discrimination | |

1:30pm - 2:15pm | Vladan Vuletic, MIT (invited) |

Strongly interacting photons | |

2:45pm - 3:15pm | Michael Raymer, University of Oregon |

Spectrally Entangled Photon Pairs for Ultrafast Probing of Molecules | |

3:15pm - 3:45pm | Break |

SESSION 4: Quantum Many-Body Physics I | |

3:45pm - 4:30pm | Thomas Vidick, UC Berkeley (invited) |

A polynomial-time algorithm for the ground state of 1D gapped local Hamiltonians | |

4:30pm - 5:00pm | Akimasa Miyake, University of New Mexico |

Symmetry-protected topological ordered phases and their use for quantum computation | |

SESSION 5: Poster Session | |

5:00 pm-7:00 pm | Poster Abstracts |

# Friday Program

SESSION 6: Mesoscopic Quantum Coherence | |

8:30am - 9:15am | William Phillips, Joint Quantum Institute/National Institute of Standards and Technology (invited) |

An atomic superfluid Bose-Einstein condensate in a ring | |

9:15am - 10:00am | Keith Schwab, Caltech (invited) |

Quantum Behavior of Electro-mechanical Structures | |

10:00am - 10:30am | Break |

SESSION 7: Quantum Information Theory I | |

10:30am - 11:15am | Patrick Hayden, Stanford University (invited) |

Spacetime, quantum cloning and black holes | |

11:15am - 11:45am | Mankei Tsang, National University of Singapore |

Mismatched quantum filtering and entropic information | |

11:45am - 12:15pm | Beni Yoshida, California Institute of Technology |

Violation of the Arrhenius law for memory time below magnetic and topological transition temperature | |

12:15pm - 1:45pm | Lunch |

SESSION 8: Quantum Simulation, Digital and Analog | |

1:45pm - 2:30pm | Alan Aspuru-Guzik, Harvard University (invited) |

Towards practical quantum simulators for quantum chemistry | |

2:30pm - 3:00pm | Krysta Svore, Microsoft Research |

Repeat-Until-Success: Non-deterministic decomposition of single-qubit unitaries | |

3:00pm - 3:30pm | Heather Partner, Physikalisch-Technische Bundesanstalt |

Topological defect formation and dynamics in ion Coulomb crystals | |

3:30pm - 4:00pm | Break |

SESSION 9a: Break-out 1: Quantum Computation and Fault Tolerance | |

4:00pm - 4:30pm | Itay Hen, University of Southern California |

Period Finding with Adiabatic Quantum Computation | |

4:30pm - 5:00pm | Joydip Ghosh, University of Calgary |

Understanding the effects of leakage in superconducting quantum error detection circuits | |

5:00pm - 5:30pm | Mauricio Gutierrez, Georgia Institute of Technology |

The effect of realistic noise models on quantum error correction thresholds | |

5:30pm - 6:00pm | Jonas Anderson, Université de Sherbrooke |

Towards an Efficient Decoder for Quantum LDPC Codes | |

SESSION 9b: Break-out 2: Quantum Many-Body Physics II | |

4:00pm - 4:30pm | Sukhbinder Singh, Macquarie University, Sydney |

Tensor networks and Symmetries | |

4:30pm - 5:00pm | Fernando Pastawski, California Institute of Technology |

Optimal dissipative encoding and state preparation for topological order | |

5:00pm - 5:30pm | Adolfo del Campo, Los Alamos National Laboratory |

Shortcuts to adiabaticity in many-body systems | |

5:30pm - 6:00pm | Iman Marvian, University of Southern California |

Symmetry-Protected Topological Entanglement | |

SESSION 9c: Break-out 3: Atoms and Photons | |

4:00pm - 4:30pm | Hector Sosa Martinez, University of Arizona |

New Tools for Unitary Control of Cold Atom Qudits | |

4:30pm - 5:00pm | David Rideout, University of California, San Diego |

Quantum optics experiments at Earth-orbital scales and beyond | |

5:00pm - 5:30pm | Matthias Lang, University of New Mexico |

Optimal quantum-enhanced interferometry using a laser power source | |

5:30pm - 6:00pm | Collin Trail, University of Calgary |

On generating macroscopic superpositions via nonlinear dynamics of stopped light in a two-component Bose-Einstein condensate | |

7:00pm - 9:00pm | Banquet |

# Saturday Program

SESSION 10: Superconducting Qubits | |

8:30am - 9:15am | Shyam Shankar, Yale University (invited) |

Autonomously stabilized entanglement between two superconducting qubits | |

9:15am - 9:45am | Pedram Roushan, UCSB |

Mapping the topological phase diagram of superconducting qubit systems | |

9:45am - 10:15am | Break |

SESSION 11: Quantum Tomography | |

10:15am - 10:45am | John Gamble, Sandia National Laboratories |

Quantum gate set tomography | |

10:45am - 11:15am | Carlos Riofrio, Freie Universität Berlin |

Tomography of Quantum Fields | |

11:15am - 11:45am | Amir Kalev, University of New Mexico |

Quantum process tomography of near-unitary maps | |

11:45am - 12:15pm | Scott Glancy, National Institute of Standards and Technology |

Practical and Fast Gaussian State Estimation | |

12:15pm - 1:45pm | Lunch |

SESSION 12: Quantum Information Theory II | |

1:45am - 2:30pm | Emanuel Knill, University of Colorado at Boulder (invited) |

Certifying violations of local realism | |

2:30pm - 3:15pm | Ben Reichardt, University of Southern California (invited) |

Classical command of quantum systems | |

3:15pm - 3:45pm | Jason Twamley, Macquarie University |

All-Optical Switching and Router via the Direct Quantum Control of Coupling between Cavity Modes | |

3:45pm - 4:15pm | Break |

SESSION 13: Quantum Metrology and Control | |

4:15pm - 5:00pm | Ania Bleszynski-Jayich, University of California Santa Barbara (invited) |

Quantum assisted sensing with diamond spins | |

5:00pm - 5:30pm | Joshua Combes, University of New Mexico |

Probabilistic protocols in quantum information? Probably not. | |

5:30pm - 6:00pm | Sergey Knysh, NASA Ames Research Center |

True Quantum Precision and Unique Optimal Probes in presence of Decoherence. |