Twenty-Fifth Annual SQuInT Workshop

Start Date: Oct 26, 2023 - 08:00 am
End Date: Oct 28, 2023 - 05:00 pm

Host: Center for Quantum Information and Control

Location: Clyde Hotel, Albuquerque, New Mexico

2023 SQuInT participants

Event Link:

The 25th Annual SQuInT Workshop was held at The Clyde Hotel in Albuquerque, New Mexico on October 26-28, 2023.


We acknowledge the support of the National Science Foundation through the Center for Quantum Information and Control.


All are Mountain time

Wednesday Welcome

5:00 pm - 7:00 pmRegistration/Early Conference Check-In (In front of Pavilion IV & V)

Thursday Program

7:30 am - 8:20 amBreakfast (Pavillion VI), Registration & Conference Check-in (In front of Pavilion IV & V)

SESSION 1: Random circuits and complexity (Pavilion IV & V)

Chair: Nick Hunter-Jones
8:20 am - 8:30 amOpening Remarks
8:30 am - 9:15 amWilliam Fefferman (University of Chicago) (invited)
Have we seen a demonstration of experimental quantum advantage?
9:15 am - 9:45 amYucheng He (University of Southern California), Todd A. Brun, Beni Yoshida
Measure and Forget Dynamics in Random Circuits
9:45 am - 10:15 amShivan Mittal (University of Texas, Austin), Nicholas Hunter-Jones
Random quantum circuits on arbitrary architectures generate unitary designs
10:15 am - 10:45 amBreak (Pavillion VI)

SESSION 2: Quantum sensing (Pavilion IV & V)

Chair: David Wineland

10:45 am - 11:30 amTobias Bothwell (National Institute of Standards and Technology, Boulder) (invited)
Resolving the Gravitational Redshift Within a Wannier-Stark Optical Lattice Clock
11:30 am - 12:00 pmHayden McGuinness (Sandia National Laboratories), Joonhyuk Kwon, William. J. Setzer, Megan Ivory, Michael Gehl, Nicholas Karl, Nicholas Boynton, Raymond Haltli, Eric Ou, Peter Schwindt, Dan L. Stick
Towards a fieldable optical atomic clock using surface ion traps with integrated optical components
12:00 pm - 1:30 pmLunch Buffet (Pavillion VI)

SESSION 3: Superconducting quantum devices (Pavilion IV & V)

Chair: Justin Dressel

1:30 pm - 2:15 pmYu Chen (Google) (invited)
Beyond-classical quantum computing with superconducting circuits
2:15 pm - 2:45 pmMallika Randeria (Lincoln Laboratory, Massachusetts Institute of Technology), Thomas Hazard, Agustin Di Paolo, Kate Azar, Max Hays, Leon Ding, Junyoung An, Ilan Rosen, Michael Gingras, Bethany M. Niedzielski, Hannah Stickler, Jeffrey Grover, Jonilyn Yoder, Mollie E. Schwartz, William D Oliver, Kyle Serniak
Dephasing in fluxonium qubits from coherent quantum phase slips
2:45 pm -3:15 pmAmy Brown (University of Southern California), Vinay Tripathi, Bram Evert, Alex Hill, Xian Wu, Yuan Shi, Yujin Cho, Max Porter, Vasily Geyko, Ilon Joseph, Jonathan Dubois, Eyob Sete, Matthew Reagor, Daniel Lidar
Performance of Robust, High-Order Dynamical Decoupling Sequences on Superconducting Quantum Hardware
3:15 pm - 3:45 pmBreak (Pavillion VI)

SESSION 4: Computer Science (Pavilion IV & V)

Chair: David Meyer

3:45 pm - 4:30 pmDebbie Leung (University of Waterloo) (invited)
The platypus of the quantum channel zoo
4:30 pm - 5:00 pmAlexis Ralli (Tufts University), Tim Weaving, William M Kirby, Andrew Tranter, Sauro Succi, Peter V Coveney, Peter J Love
Calculating the Correlation Energy in the Contextual Subspace

SESSION 5: Poster Session (Pavilions I-III)

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

Friday Program

7:30 am - 8:30 amBreakfast (Pavillion VI)

SESSION 6: Neutral atoms (Pavilion IV & V)

Chair: Ivan Deutsch
8:30 am - 9:15 amManuel Endres (California Institute of Technology) (invited)
Quantum Science with Tweezer Arrays
9:15 am - 9:45 amAlbert Ryou (Atom Computing), Atom Computing
Quantum computing with neutral atom nuclear-spin qubits
9:45 am - 10:15 amShawn Geller (National Institute of Standards and Technology, Boulder), Aaron W. Young, William J. Eckner, Nathan Schine, Scott Glancy, Emanuel Knill, Adam M. Kaufman
An atomic boson sampler
10:15 am - 10:45 amBreak (Pavillion VI)

SESSION 7: Quantum simulation (Pavilion IV & V)

Chair: Rolando Somma
10:45 am - 11:30 amNathan Wiebe (University of Toronto) (invited)
Exponential quantum speedup in simulating coupled classical oscillators
11:30 am - 12:00 pmNicholas Rubin (Google), Dominic W. Berry, Alina Kononov, Fionn D. Malone, Tanuj Khattar, Alec White, Joonho Lee, Hartmut Neven, Ryan Babbush, Andrew D. Baczewski
Quantum computation of stopping power for inertial fusion target design
12:00 pm - 1:30 pmLunch Buffet (Pavillion VI)

SESSION 8a: Control and sensing using ions (Enchantment AB)

Chair: Boyan Tabakov
1:30 pm - 2:00 pmJeremy Metzner (University of Oregon), Alex Quinn, Sean Brudney, Shaun Burd, Dave Wineland, David Allcock
Controlling trapped-ion motional modes for precision measurement*
2:00 pm - 2:30 pmYu Liu (National Institute of Standards and Technology, Boulder), Zhimin Liu, April Reisenfeld, Julian Schmidt, Peter Chang, David Leibrandt, Scott Diddams, Dietrich Leibfried, Chin-wen Chou
State control and vibrational spectroscopy of a single molecular ion
2:30 pm - 3:00 pmMatthew Chow (Sandia National Laboratories), Ashlyn D. Burch, Megan K. Ivory, Daniel Lobser, Melissa C. Revelle, Brandon P. Ruzic, Christopher G. Yale, Susan M. Clark
Flexible but Robust: Advancing the Two-Qubit Gate on the Quantum Scientific Computing Open User Testbed (QSCOUT)
3:00 pm - 3:30 pmCraig Clark (Georgia Tech Research Institute )
Optimization of key building blocks for quantum information processing with trapped ions

SESSION 8b: Quantum algorithms (Enchantment CD)

Chair: Alicia Magann
1:30 pm - 2:00 pmM. Sohaib Alam (NASA - Ames Research Center), Andrew Hardy, Priyanka Mukhopadhyay, Layla Hormozi, Robert Konik, Eleanor Rieffel, Nathan Wiebe
Quantum algorithms for lattice phi^4 theory
2:00 pm - 2:30 pmRahul Bandyopadhyay (University of California, Davis), Alex H. Rubin, Marina Radulaski, Mark M. Wilde
Efficient Quantum Algorithms for Testing Symmetry of Open Quantum Systems
2:30 pm - 3:00 pmSophia Simon (Other), Raffaele Santagati, Matthias Degroote, Nikolaj Moll, Michael Streif, Nathan Wiebe
Improved precision scaling for simulating coupled quantum-classical dynamics
3:00 pm - 3:30 pmElijah Pelofske (Los Alamos National Laboratory), Andreas Bärtschi, Stephan Eidenbenz
Short-Depth QAOA circuits and Quantum Annealing on Higher-Order Ising Models

SESSION 8c: Dynamics and statistics of quantum many-body systems (Enchantment EF)

Chair: Manuel Muñoz-Arias
1:30 pm - 2:00 pmPhilip Daniel Blocher (University of New Mexico CQuIC), Karthik Chinni, Sivaprasad Omanakuttan, Pablo M. Poggi
Probing operator dynamics and scrambling through operator size distributions
2:00 pm - 2:30 pmPratik Patnaik (Colorado School of Mines), Logan E. Hillberry, Matthew Jones, Lincoln D. Carr
Unveiling Quantum Complexity: Exploring Quantum Cellular Automata Dynamics and Network Measures
2:30 pm - 3:00 pmAnupam Mitra (University of New Mexico CQuIC), Tameem Albash, Philip Daniel Blocher, Jun Takahashi, Akimasa Miyake, Grant W. Biedermann, Ivan H. Deutsch
Macrostates versus Microstates in the Classical Simulation of Critical Phenomena in Quench Dynamics of 1D Ising Models
3:00 pm - 3:30 pmJeffrey Cohn (IBM), Norhan Eassa (Purdue University) Mahmoud Moustafa (Purdue University)
High temperature Gibbs state sampling via cluster expansions
3:30 pm - 4:00 pmBreak (Pavillion VI)

SESSION 9a: AMO physics (Enchantment AB)

Chair: Mohammad Alhejji
4:00 pm - 4:30 pmJunheng Tao (University of Maryland Joint Quantum Institute), Mingshu Zhao, Ian Spielman
Observation of anisotropic superfluid density in an artificial crystal
4:30 pm - 5:00 pmMaziar Saleh Ziabari (University of New Mexico CHTM), Andris Berzins, Janis Smits, Yaser Silani, Ilja Fescenko, Joshua T. Damron, Andrey Jarmola, Pauli Kehayias, Bryan Richards, Victor Acosta
The impact of microwave phase noise on diamond quantum sensing
5:00 pm - 5:30 pmJason Twamley (Okinawa Institute of Science and Technology), Fernando Quijandria, Anshuman Nayak
Error suppression in a two-level system from non-Markovian environmental phase noise using light shifts
5:30 pm - 6:00 pmLeili Esmaeilifar (University of Calgary), Ashutosh Singh, Pascal Lefebvre, and Daniel Oblak
Time-bin entangled GHZ-state generation

SESSION 9b: Benchmarking, characterization, and design (Enchantment CD)

Chair: Mallika Randeria hello
4:00 pm - 4:30 pmDaniel Hothem (Sandia National Laboratories), Jordan Hines, Robin Blume-Kohout, Birgitta Whaley, Timothy Proctor
Randomized benchmarking with mid-circuit measurements
4:00 pm - 4:30 pmAlex Kwiatkowski (National Institute of Standards and Technology, Boulder), Scott Glancy, Emanuel Knill
Optimized experiment design and analysis for fully randomized benchmarking
5:00 pm - 5:30 pmCaleb Rotello (National Renewable Energy Laboratory), Eric Jones, Peter Graf, Eliot Kapit
Automated detection of symmetry-protected subspaces in quantum simulations
5:30 pm - 6:00 pmEli Weissler (University of Colorado), Zhenxing Liu, Mohit Bhat, Josh Combes
Finding a qubit in a haystack: identifying the best superconducting qubits by enumerating all possibilities

SESSION 9c: Frontiers of quantum information theory (Enchantment EF)

Chair: Jun Takahashi
4:00 pm - 4:30 pmWilliam J. Huggins (Google), Jarrod R. McClean
Accelerating Quantum Algorithms with Precomputation
4:30 pm - 5:00 pmShouzhen Gu (California Institute of Technology), Eugene Tang, Libor Caha, Shin Ho Choe, Zhiyang He (Sunny), Aleksander Kubica
Single-shot decoding of good quantum LDPC codes
5:00 pm - 5:30 pmAdrian Chapman (University of Oxford), Samuel Elman, Ryan Mann
A unified graph-theoretic framework for free-fermion solvability
5:30 pm - 6:00 pmMichael Zurel (University of British Columbia), Cihan Okay, Robert Raussendorf
Simulating quantum computation with magic states: how many "bits" for "it"?
6:10 pm - 6:50 pmSteering Committee Meeting (Sierra Vista Room)
7:00 pm - 9:00 pmBanquet (Pavilion VI)

Saturday Program

7:30 am - 8:30 amBreakfast (Pavillion VI)

SESSION 10: Learning and tomography (Pavilion IV & V)

Chair: Christian Arenz
8:30 am - 9:15 amZoe Holmes (Ecole Polytechnique Federale de Lausanne) (invited)
Hybrid Variational Classical-Quantum Computing: Ingredients to make it work
9:15 am - 9:45 amSanjaya Lohani (University of Illinois Chicago), Joseph M Lukens, Atiyya A Davis, Amirali Khannejad, Sangita Regmi, Daniel E Jones, Ryan T Glasser, Brian T Kirby, Thomas A Searles
Quantum state tomography: a machine learning perspective
9:45 am - 10:15 amAndrew Zhao (University of New Mexico CQuIC), Akimasa Miyake
Group-theoretic error mitigation enabled by classical shadows and symmetries
10:15 am - 10:45 amBreak (Pavillion VI)

SESSION 11: Long-distance entanglement and communication (Pavilion IV & V)

Chair: Scott Glancy
10:45 am - 11:30 amBenjamin Lanyon (University of Innsbruck) (invited)
Towards networks of quantum processors
11:30 am - 12:00 pmFilip Rozpedek (University of Massachusetts ), Kaushik P. Seshadreesan, Paul Polakos, Liang Jiang, Saikat Guha
All-photonic multiplexed quantum repeaters based on concatenated bosonic and discrete-variable quantum codes
12:00 pm - 1:30 pmLunch Buffet (Pavillion VI)

SESSION 12: Light-matter interactions (Pavilion IV & V)

Chair: Josh Combes
1:30 pm - 2:15 pmMarina Radulaski (University of California Davis) (invited)
Scalable Quantum Nanophotonics: From Nanofabrication to Quantum Circuit Mapping
2:15 pm - 2:45 pmCraig Hogle (Sandia National Laboratories), C. W. Hogle1, D. Dominguez1, J. Goldberg1, J. D. Hunker1, R. J. Law1, A. Leenheer1, B. K. McFarland1, H. J. McGuinness1, B. P. Ruzic1, W. J. Setzer1, J. D. Sterk1, J.W. Van Der Wall1, M. Eichenfield1,2, D. Stick1 [1] Sandia National Laboratories, Albuquerque, NM [2] Wyant College of Optical Sciences, University of Arizona, Tucson, AZ
Integrated photonic modulators and scalable ion traps for quantum computing
2:45 pm - 3:15 pmBreak (Pavillion VI)

SESSION 13: Ion-trap quantum computing (Pavilion IV & V)

Chair: Claire Cramer
3:15 pm - 3:45 pmJohn Gamble (IonQ), Jwo-Sy Chen, Erik Nielsen, Matthew Ebert, Volkan Inlek, Kenneth Wright, Vandiver Chaplin, Andrii Maksymov, Eduardo Páez, Amrit Poudel, Peter Maunz
Benchmarking a trapped-ion quantum computer with 29 algorithmic qubits
3:45 pm - 4:15 pmJacob Johansen (Quantinuum), Steven Moses, Charlie Baldwin, Michael Mills, Joan Dreiling, John Gaebler, Mary Rowe, Anthony Ransford, Sarah Campbell, Juan Pino
Benchmarking Quantinuum’s second-generation quantum processor
4:15 pm - 4:45 pmLiudmila Zhukas (Duke University), Or Katz, Qingfeng Wang, Marko Cetina, Iman Marvian, Christopher Monroe
Experimental observation of symmetry-protected signatures of N-body interactions
4:45 pm - 5:15 pmShuqi Xu (University of California Berkeley), Xiaoxing Xia, Qian Yu, Sumanta Khan, Eli Megidish, Bingran You, Boerge Hemmerling, Juergen Biener, Hartmut Häffner
Applications of 3D printing technology in ion traps
5:15 pm - 5:30 pmBreak (Pavillion VI)

SESSION 14: A qubit was born (Pavilion IV & V)

Chair: Robin Blume-Kohout
5:30 pm - 6:15 pmBenjamin Schumacher (Kenyon College) (invited)
A brief prehistory of qubits