Twenty-First Annual SQuInT Workshop


Start Date: Feb 10, 2019 - 12:00 am
End Date: Feb 12, 2019 - 12:00 am

Host: Center for Quantum Information and Control (CQuIC)

Location: Hotel Albuquerque

The 21st Annual SQuInT Workshop was organized by the Center for Quantum Information and Control (CQuIC).


Saturday Welcome Reception

7:00 pm - 9:00 pmRegistration/Early Conference Check-In and Reception (North Atrium)

All General Sessions will be held in Alvarado EFGH

Sunday Program

7:30 am - 8:20 amBreakfast, Registration & Conference Check-in (East Atrium)
8:20 am - 8:30 amOpening Remarks


Chair: Murray Holland
8:30 am - 9:15 amJohn Bollinger (National Institute of Standards and Technology, Boulder), Elena Jordan, Kevin Gilmore, Matt Affolter, Arghavan Safavi-Naini, Robert Lewis-Swan, Ana Maria Rey (invited)
Quantum control and simulation with large trapped-ion crystals
9:15 am - 9:45 amMegan Ivory (University of Washington), Alex Kato, Ramya Bhaskar, Ali Hasanzadeh, Boris Blinov
Novel trap for 2D ion crystal experiments
9:45 am - 10:15 amCrystal Noel (University of California Berkeley), Maya Berlin-Udi, Clemens Matthiesen, Jessica Yu, Yi Zhou, Vincenzo Lordi, Hartmut Häffner
Electric-field noise from thermally-activated fluctuators in a surface ion trap
10:15 am - 10:45 amBreak (East Atrium)

SESSION 2: Computer science

Chair: Elizabeth Crosson
10:45 am - 11:30 amAnne Broadbent (University of Ottawa), Sebastien Lord, University of Ottawa (invited)
Uncloneable encryption
11:30 am - 12:00 pmYigit Subasi (Los Alamos National Laboratory), Rolando D. Somma, Davide Orsucci
Quantum algorithms for systems of linear equations inspired by adiabatic quantum computing
12:00 pm - 1:30 pmLunch Buffet (Alvarado D)

SESSION 3: Measurement-based quantum computation

Chair: Rafael Alexander
1:30 pm - 2:15 pmMercedes Gimeno-Segovia (PsiQuantum Corp.) (invited)
Photonic quantum computing
2:15 pm - 2:45 pmRobert Raussendorf (University of British Columbia), Cihan Okay (UBC), Dong-Sheng Wang (UBC), David T. Stephen (MPQ Garching), Hendrik Poulsen Nautrup (U Innsbruck)
A computationally universal phase of quantum matter
2:45 pm - 3:15 pmBreak (East Atrium)

SESSION 4: Quantum optics

Chair: Alberto Marino
3:15 pm - 3:45 pmMichael G. Raymer (University of Oregon), Dileep V. Reddy
High-efficiency demultiplexing of quantum information in temporal modes
3:45 pm - 4:15 pmSteve Young (Sandia National Laboratories), Mohan Sarovar, François Léonard
General modeling framework for quantum photodetectors
4:15 pm - 4:45 pmSofiane Merkouche (University of Oregon), Brian J. Smith
Entangled-state measurements based on mode-resolved two-photon sum-frequency generation

SESSION 5: Poster Session and Reception (Alvarado ABC)

5:00 pm - 7:00 pmPoster Session and Reception (with Cash Bar)

SESSION 5: Workshop attendees may also view posters on Monday and Tuesday in Alvarado ABC

Monday Program

General Sessions 6, 7, and 8 will be held in Alvarado EFGH
Concurrent Sessions 9a, 9b, and 9c will be held in Alvarado D, Alvarado E, and Alvarado FGH


7:30 am - 8:30 amBreakfast (East Atrium)

SESSION 6: AMO physics

Chair: Grant Biedermann
8:30 am - 9:15 amManuel Endres (California Institute of Technology) (invited)
Quantum simulation with alkali and alkaline-earth Rydberg-arrays
9:15 am - 9:45 amAlex Burgers (California Institute of Technology), Lucas Peng, H. Jeff Kimble
Engineering atom-light interactions in photonic crystal waveguides
9:45 am - 10:15 amMurray Holland (University of Colorado JILA), Athreya Shankar, John P. Bartolotta, Matthew A. Norcia, Julia R.K. Cline, James K. Thompson, Elena Jordan, Kevin Gilmore, Arghavan Safavi-Naini, Justin G. Bohnet, John J. Bollinger
New frontiers in laser cooling of neutral atoms and trapped ions
10:15 am - 10:45 amBreak (East Atrium)

SESSION 7: Open-system dynamics and simulation

Chair: Todd Brun
10:45 am - 11:30 amHoward Carmichael (University of Auckland) (invited)
Monitored quantum jumps: The view from quantum trajectory theory
11:30 am - 12:00 pmKathleen Hamilton (Oak Ridge National Laboratory), Eugene Dumitrescu, Raphael Pooser
Noisy circuit training of generative models with superconducting qubits
12:00 pm - 1:30 pmLunch Buffet (Alvarado D)

SESSION 8: Quantum communication

Chair: F. Elohim Becerra Chavez
1:30 pm - 2:15 pmErika Andersson (Herriot-Watt University) (invited)
Things you can do with your quantum key distribution setup: signatures and oblivious transfer
2:15 pm - 2:45 pmKonrad Banaszek (University of Warsaw), Michal Jachura, Marcin Jarzyna, Michal Lipka, Wojciech Wasilewski
Quantum optical fingerprinting without a shared phase reference
2:45 pm - 3:15 pmJoseph Chapman (University of Illinois at Urbana-Champaign), Trent Graham, Christopher Zeitler, Paul Kwiat
Time-bin and polarization superdense teleportation for space applications
3:15 pm - 3:45 pmBreak (East Atrium)

SESSION 9a: Simulations in the NISQ era (Alvarado D)

Chair: Christopher Jackson
3:45 pm - 4:15 pmNathan Lysne (University of Arizona), Kevin Kuper, Poul Jessen, Pablo Poggi, Karthik Chinni, Ivan Deutsch
What a small-scale, highly-accurate quantum processor can teach us about analog quantum simulation
4:15 pm - 4:45 pmGopikrishnan Muraleedharan (University of New Mexico CQuIC), Christopher Jackson, Akimasa Miyake, Ivan H Deutsch
Quantum computational supremacy in the sampling of Bosonic random walkers on a one-dimensional lattice
4:45 pm - 5:15 pmNoah Davis (University of Texas, Austin), Josey Hanish, Antia Lamas-Linares, Brian LaCour
Simulating and evaluating the coherent Ising machine
5:15 pm - 5:45 pmLucas Kocia (National Institute of Standards and Technology, Maryland), Peter Love
Stationary phase method in discrete Wigner functions and classical simulation of quantum circuits
5:45 pm - 6:15 pmLukasz Cincio (Los Alamos National Laboratory), Yigit Subasi, Andrew Sornborger, Patrick Coles
Learning short- and constant-depth algorithms: application to state overlap and entanglement spectroscopy

SESSION 9b: Error mitigation and correction (Alvarado E)

Chair: Jim Harrington
3:45 pm - 4:15 pmBrandon Ruzic (Sandia National Laboratories), Constantin Brif, Grant Biedermann
Characterizing errors in entangled-atom interferometry
4:15 pm - 4:45 pmBibek Pokharel (University of Southern California), Namit Anand, Benjamin Fortman, Daniel Lidar
Demonstration of fidelity improvement using dynamical decoupling with superconducting qubits
4:45 pm - 5:15 pmZhang Jiang (Google), Jarrod McClean, Ryan Babbush, Hartmut Neven
Quantum simulation of fermions: geometric locality and error mitigation
5:15 pm - 5:45 pmVictor V. Albert (California Institute of Technology), R. T. Brierley, Michel H. Devoret, Kasper Duivenvoorden, S. M. Girvin, Alexander Grimm, Liang Jiang, Linshu Li, Shantanu O. Mundhada, Kyungjoo Noh, Philip Reinhold, Chao Shen, Barbara M. Terhal, Steven Touzard, Christophe Vuillot, Dylan J. Young
Characterizing and developing bosonic error-correcting codes
5:45 pm - 6:15 pmSepehr Nezami (Stanford University), Philippe Faist, Victor V. Albert, Grant Salton, Fernando Pastawski, Patrick Hayden, John Preskill
Continuous symmetries and approximate quantum error correction

SESSION 9c: Quantum information theory and algorithms (Alvarado FGH)

Chair: Yigit Subasi
3:45 pm - 4:15 pmMark Wilde (Louisiana State University), Xin Wang (Univ. Maryland)
Exact entanglement cost of quantum states and channels under PPT-preserving operations
4:15 pm - 4:45 pmFelix Leditzky (University of Colorado JILA), Debbie Leung, Graeme Smith
Dephrasure channel and superadditivity of coherent information
4:45 pm - 5:15 pmAniruddha Bapat (University of Maryland Joint Quantum Institute), Stephen Jordan
Bang-bang control as a design principle for classical and quantum optimization algorithms
5:15 pm - 5:45 pmArjendu Pattanayak (Carleton College), Sudheesh Srivastava
Unusual entanglement dynamics in the quantum kicked top
5:45 pm - 6:15 pmAlexander Meill (University of California San Diego), David A. Meyer, Daniel Copeland
Entanglement properties of quantum random walks
6:20 pm - 7:00 pmSteering Committee Meeting (Fireplace Room)
7:15 pm - 9:30 pmBanquet (with Cash Bar) (Alvarado Ballroom, EFGH)

Tuesday Program

7:30 am - 8:30 amBreakfast (East Atrium)

SESSION 10: Quantum metrology

Chair: Carlton M. Caves
8:30 am - 9:15 amLee McCuller (Massachusetts Institute of Technology), The LIGO laboratory squeezing team (invited)
Improving the sensitivity of Advanced LIGO with squeezed light
9:15 am - 9:45 amBaochen Wu (University of Colorado JILA), Graham P. Greve Chengyi Luo James K. Thompson
Towards spin-squeezed matter-wave interferometry
9:45 am - 10:15 amKatherine McCormick (University of Colorado), Jonas Keller, Shaun Burd, David Wineland, Andrew Wilson, Dietrich Leibfried
Sensing near the Heisenberg limit with a trapped-ion mechanical oscillator
10:15 am - 10:45 amBreak (East Atrium)

SESSION 11: Quantum chaos

Chair: Justin Dressel
10:45 am - 11:30 amShohini Ghose (Wilfrid Laurier University) (invited)
Chaos, stability and quantum-classical correspondence in spin systems
11:30 am - 12:00 pmPablo Poggi (University of New Mexico CQuIC), Manuel Muñoz-Arias, Poul Jessen, Ivan Deutsch
Feedback-based simulation of quantum nonlinear dynamics: The Quantum Kicked Top in an ensemble of two-level atoms
12:00 pm - 1:30 pmLunch Buffet (Alvarado D)

SESSION 12: Semiconductor qubits

Chair: Kai-Mei Fu
1:30 pm - 2:15 pmJason Petta (Princeton University), Xiao Mi, Felix Borjans, Xanthe Croot, Felix Schupp, Monica Benito, Stefan Putz, David Zajac, Jacob Taylor, and Guido Burkard (invited)
Towards microwave assisted spin-spin entanglement
2:15 pm - 2:45 pmTyler Keating (HRL Laboratories)
Spin-blockade spectroscopy of Si/SiGe quantum dots
2:45 pm - 3:15 pmBreak (East Atrium)

SESSION 13: Quantum characterization and tomography

Chair: Robin Blume-Kohout
3:15 pm - 3:45 pmScott Aaronson (University of Texas, Austin), Guy Rothblum
Gentle measurement of quantum states and differential privacy
3:45 pm - 4:15 pmKristine Boone (University of Waterloo), Arnaud Carignan-Dugas, Joel J. Wallman, Joseph Emerson
Randomized benchmarking under different gatesets
4:15 pm - 4:45 pmJohn Gamble (Microsoft Research), Olivia Di Matteo, Chris Granade, Nathan Wiebe
Operational, gauge-free quantum tomography
4:45 pm - 5:15 pmTimothy Proctor (Sandia National Laboratories), Kenneth Rudinger, Robin Blume-Kohout, Arnaud Carignan-Dugas, Erik Nielsen, Kevin Young
Randomized benchmarking of many-qubit devices
5:15 pm - 5:30 pmBreak (East Atrium)

SESSION 14: New intersections with high energy physics

Chair: Ivan Deutsch
5:30 pm - 6:15 pmPatrick Hayden (Stanford University) (invited)
Quantum error correction in quantum gravity