Center for Quantum Research

• Physicists-To-Go. Brian La Cour presented virtually to a Little Rock, Arkansas physics classroom to talk shop and demystify qubits as part of World Quantum Day & American Physical Society (APS Physics)'s Quantum To-Go program on April 6, 2023. APS News 32, (June 2023). High School Students Go Quantum with Virtual Visit From Physicist
• IEEE Quantum Week. On September 18, 2022, Noah Davis will present on Quantum Computing for the Faint of Heart, and Brian La Cour will provide an invited talk on The Virtual Quantum Optics Laboratory at the 2022 Quantum Science and Engineering Education Conference (QSEEC22) as part of IEEE Quantum Week. https://ed.quantum.ieee.org/qseec-22/
• IBM Quantum Educator Summit. Brian La Cour will be presenting an invited talk on Quantum Education for Undergraduate and High School Students on August 3, 2022. (virtual meeting) https://ibmquantumeducator-vconf.bemyapp.com/#/event
• Publication. Z. Sekir et al., Quantum games and interactive tools for quantum technologies outreach and education Optical Engineering 61, 081809 (2022). https://doi.org/10.1117/1.OE.61.8.081809
• Dowling Memorial. Noah Davis will present on Sample-Depth Trade-Off for NISQ Amplitude Amplification, and Brian La Cour will present on Classical model of loophole free experimental violation of the Leggett-Garg inequality at the Jonathan P. Dowling Memorial Conference on Quantum Science and Technology, Louisiana State University, Baton Rouge, LA, May 13, 2022. https://www.cct.lsu.edu/unmemorialized
• New England Section of APS. Brian La Cour will give an invited talk on Quantum Education at UT for the New England Section of APS on April 16, 2022. (virtual meeting)
• Patent Awarded. S. Andrew Lanham; Travis Cuvelier; Brian R. La Cour; Robert Heath, SPACE-TIME ENCODING IN WIRELESS COMMUNICATION SYSTEMS, U.S. Letters Patent number 11,218,195 (January 4, 2022).
• Publication. J. Walsh, M. Fenech, D. Tucker, C. Riegle-Crumb, and B. La Cour Piloting a full-year, optics-based high school course on quantum computing. Physics Education 57, 025010 (2021).https://doi.org/10.1088/1361-6552/ac3dc2
• Publication. T. Cuvelier, S. A. Lanham, B. La Cour, and R. Heath, Jr., Quantum codes in classical communication: A space-time block code from quantum error correction. IEEE Open Journal of the Communications Society 2, 2383 (2021). https://doi.org/10.1109/OJCOMS.2021.3121183

• IEEE Quantum Week. Andrew Lanham will present on A Quantum-Inspired Classical Solver for k-Satisfiability Problems at the IEEE International Conference on Quantum Computing and Engineering (QCE21) on October 20, 2021 at 15:45 MDT.
• IEEE Quantum Week. Brian La Cour will be part of a panel discussion on Status and Opportunities in K-12 Quantum Education at the IEEE International Conference on Quantum Computing and Engineering (QCE21) on October 20, 2021 at 10:45 MDT.
• IEEE Quantum Education. Brian La Cour will present on Learning Experimental Quantum Optics through Simulation at the IEEE Quantum Education Workshop on September 25, 2021 at 9 a.m. CDT.
• Quantum Simulation. Dr. Brian LaCour was interviewed for an article titled, Pushing Scientific Software to New Heights by Aaron Dubrow at the Texas Advanced Computing Center (TACC) at UT Austin for work executed during Texascale Days. Mark Selover and colleagues from CQR performed a 45-qubit state vector simulation on a random circuit similar to the ones used by Google to demonstrate quantum supremacy.
• Publication. B. R. La Cour and T. W. Yudichak, Classical model of a delayed-choice quantum eraser. Physical Review A 103, 062213 (2021). https://doi.org/10.1103/PhysRevA.103.062213
• Publication. B. R. La Cour and T. W. Yudichak, Entanglement and impropriety. Quantum Studies: Mathematics and Foundations 8, 307 (2021). https://doi.org/10.1007/s40509-021-00246-w
• APS March Meeting. Skylar Turner presented on Modeling generalized squeezed states at the 2021 APS March Meeting on March 19, 2021 at 12:54 p.m. CDT.
• APS March Meeting. Brian La Cour presented on Classical model of delayed-choice quantum eraser at the 2021 APS March Meeting on March 19, 2021 at 12:18 p.m. CDT.
• Publication. B. R. La Cour and M. C. Williamson, Emergence of the Born rule in quantum optics. Quantum 4, 350 (2020). https://doi.org/10.22331/q-2020-10-26-350
• Publication. S. A. Lanham and B. La Cour, Detection-based measurements for quantum emulation devices. 2020 IEEE International Conference on Quantum Computing and Engineering (QCE), Denver, CO, Oct. 12-16, 2020. https://doi.org/10.1109/QCE49297.2020.00015
• IEEE Quantum Week. Andrew Lanham presented on Detection-Based Measurement for Quantum Emulation Devices at the IEEE International Conference on Quantum Computing and Engineering (QCE20) on October 12, 2020.
• NQN Workshop. Brian La Cour presented as an invited speaker on The Virtual Quantum Optics Laboratory at the Northwest Quantum Nexus Workshop on September 18, 2020.
• IEEE Quantum Education Summit. Brian La Cour presented on Educational Programs in QIS at The University of Texas at Austin at the 2019 IEEE Quantum Education Summit in San Mateo, CA, on November 6, 2019.
• Analog QEC. This paper describes the use of quantum error correction to improve gate fidelity in an analog quantum emulation device. [Improving Performance of an Analog Electronic Device Using Quantum Error Correction. J. Phys. Comm. 3, 085017 (2019).]
• Austin Physics Meetup. Brian La Cour presented on Experimental Quantum State Tomography with Polarized Photons at the Austin Physics Meetup on July 25, 2019 at 7:00 pm at the Howson Branch Library.
• Brian La Cour presented on Educational Programs in QIS at UT Austin at the IEEE Future Directions Quantum Initiative Meeting in Gaithersburg, MD, May 2, 2019.
• Noah Davis presented on Simulating and Evaluating the Coherent Ising Machine at the QUantum Information at LSU and Tulane (QuILT) Day, April 25, 2019.
• Andrew Lanham presented on A noncoherent space-time code from quantum error correction at the 53^rd Annual Conference on Information Sciences and Systems (CISS 2019), Johns Hopkins University, March 20-22, 2019.
• Josey Hanish presented on Simulating and Evaluating the Coherent Ising Machine at the 21st Annual Southwest Quantum Information and Technology (SQuInT) Workshop in Albuquerque, NM, February 10-12, 2019.
• Brian La Cour presented on Parallel Quantum Computing Emulation at the IEEE International Conference on Rebooting Computing (ICRC 2018), November 7-9, 2018 in Tysons, VA.
• Brian La Cour presented on at the QUantum Information at LSU and Tulane (QuILT) Day, November 2, 2018, on Local hidden-variable model for a recent experimental test of quantum nonlocality and local contextuality. The event was held in Nicholson Hall at the LSU Dept. of Physics and Astronomy.
• Brian La Cour presented as a special guest at the Austin Quantum Computing-Artificial Intelligence Meetup on October 25, 2018 at 7:00 p.m. at the Austin Yarborough Branch Library. The meeting was open to the public.
• CQR, in collaboration with the Texas Center for Science Discovery (TIDES), has been awarded a grant for over $1,000,000 from the National Science Foundation (NSF) to expand its current Freshman Research Initiative (FRI) Quantum Computing stream at The University of Texas at Austin.
• CQR, in collaboration with the Texas Advanced Computing Center, has been awarded a $450,000 grant from the Air Force Research Laboratory for their proposal, Investigating the Role of Quantum Effects in the Computational Power of Optical Coherent Ising Machines.
• CQR helped organize the AFGSC Quantum Workshop for Air Force Global Strike Command on quantum information science. The workshop was held May 22-23, 2018 at the Cyber Innovation Center in Bossier City, LA. The complete announcement may be found at FedBizOpps.gov under Solicitation Number AFGSC-18-QISWS.
• Corey Ostrove presented as a special guest at the Austin Quantum Computing-Artificial Intelligence Meetup on April 19, 2018 at 6:00 pm at WeWork Congress. The meeting was open to the public.
• CQR, in collaboration with the UT College of Education, has been awarded a $785,000 grant from the Office of Naval Research’s STEM program for Using Quantum Computing to Enhance STEM Education. The grant will focus on introducing quantum computing to high school students.
• Corey Ostrove, Patrick Rall, and Brian La Cour presented their work on quantum computing and quantum foundations at the 2018 APS March Meeting in Los Angeles.
• Secure quantum clock synchronization, a SPIE conference paper by Drs. Antia Lamas-Linares and James Troupe describes a verified and secure time synchronization protocol using entangled photons. [SPIE Proceedings Vol. 10547, Advances in Photonics of Quantum Computing, Memory, and Communication XI; 105470L (2018)]
• Patrick Rall and Bryce Fuller, of CQR's Freshman Research Initiative stream, discuss teaching quantum computing on Whurley’s blog, superposition.com.
• UT has launched a new streaming course on quantum computing as part of the Freshman Research Initiative, taught by CQR researchers Brian La Cour and James Troupe.
• CQR director Brian La Cour discussed quantum emulation on Whurley's blog, superposition.com.
• Brian La Cour gave an invited talk on Quantum Emulation for the Condensed Matter Seminar at Texas A&M University on Jan. 26, 2018.
• Brian La Cour gave an invited talk at the 2017 Texas Analog Center of Excellence Symposium (TxACE Symposium) on Oct. 16, 2017 at UT Dallas.
• Helmut Katzgraber, of Texas A&M University, gave a seminar at ARL on Sept. 27, 2017 entitled Quantum vs Classical Optimization: A Status Update on the Arms Race.
• The paper Local Hidden-Variable Model of Quantum Nonlocality described a local hidden-variable model capable of reproducing the results of a recent experimental test of both quantum nonlocality and contextuality. [Local Hidden-Variable Model for a Recent Experimental Test of Quantum Nonlocality and Local Contextuality. Physics Letters A, vol. 381, 2230-2234 (2017)]
• This invited paper Using quantum emulation for advanced computation described a general class of problems for which an analog quantum emulation device is well suited to solving and examined the expected computational speedup. [Using quantum emulation for advanced computation. 2017 IEEE Custom Integrated Circuits Conference (CICC)]
• Brian La Cour was a guest lecturer at the Austin Quantum Computing-Artificial Intelligence Meetup on March 21, 2017 at the Windsor Park Branch of the Austin Public Library.
• Brian La Cour, James Troupe, and Corey Ostrove presented at the 2017 APS March Meeting in New Orleans, Louisiana. La Cour presented on "Quantum error correction in classical analog devices," Troupe presented on "BB84 with weak measurements, greater security with fewer assumptions," and Ostrove presented on "Using quantum process tomography to characterize decoherence in an analog electronic device."
• This paper Subspace projection method for unstructured searches described a novel approach to solving unstructured search problems using a classical, signal-based emulation of a quantum computer. [Subspace projection method for unstructured searches with noisy quantum oracles using a signal-based quantum emulation device. Quantum Information Processing, vol. 16, 7 (2017).]
• This paper Classical simulated annealing using quantum analogues described the use of certain classical analogues to quantum tunneling behavior to improve the performance of simulated annealing on a discrete spin system of the general Ising form. [Classical simulated annealing using quantum analogues, Journal of Statistical Physics, vol. 164, 772-784 (2016).]
• Brian La Cour was a guest speaker at the Austin Quantum Computing-Artificial Intelligence Meetup to discuss the IBM Quantum Experience. The meeting was held on July 7, 2016 at the Windsor Park Branch of the Austin Public Library.
• Brian La Cour presented on Classical simulated annealing using quantum analogues at the Adiabatic Quantum Computing Conference, June 27-30, 2016 at Google Los Angeles.
• Brian La Cour presented on Decoherence: It’s not just for quantum anymore at Quantum and Beyond, The 17th Vaxjo Conference on Quantum Foundations, June 13-16, 2016 at Linnaeus University, Vaxjo, Sweden.
• This paper A local hidden-variable model for experimental tests of the GHZ puzzle described a local hidden-variable model that is capable of producing the experimental results of recent tests of quantum nonlocality using Greenberger-Horne-Zeilinger (GHZ) states. [A local hidden-variable model for experimental tests of the GHZ puzzle. Quantum Studies: Mathematics and Foundations, vol. 3, 221 (2016).]
• This paper Classical emulation of a quantum computer described the construction of a two-qubit quantum emulation device and benchmark gate fidelity for a programmable hardware prototype. [Classical emulation of a quantum computer. International Journal of Quantum Information, vol. 14, 1640004 (2016)]
• Brian La Cour was a guest speaker at the Austin Quantum Computing-Artificial Intelligence Meetup on March 29, 2016 at the Carver Branch of the Austin Public Library.
• Brian La Cour and James Troupe presented at the 2016 APS March Meeting in Baltimore, Maryland. La Cour presented on Classical Emulation of a Two-Qubit Quantum Computer with Analog Electronics and Troupe presented on A Contextuality Based Quantum Key Distribution Protocol.
• Brian La Cour, Corey Ostrove, and Michael Starkey presented at the Texas Section APS Conference held Oct. 31, 2015 at Baylor University in Waco, Texas. La Cour presented on A local hidden variable model of GHZ puzzle, Ostrove discussed Hybrid quantum-classical approaches to NP-complete problems, and Starkey described our work on a Classical emulation of a 2-qubit quantum computer using analog voltage signals.
• This paper Classical model for measurements of an entanglement witness described how one can classically mimic the experimental measurements of an entanglement witness for polarization-entangled photons. [Classical model for measurements of an entanglement witness. Physical Review A, vol. 92, 032302 (2015)]
• Guest lecturer Chris Fuchs spoke on Aug. 11, 2015 at The University of Texas at Austin on Quantum Theory from Quantum Information? (What would Feynman say?). He gave an encore lecture Aug. 12, 2015 at ARL on A New Alphabet for Quantum Information.
• Lisa Zyga, staff writer at Phys.org, authored a feature article entitled Quantum computer emulated by a classical system in Phys.org, published in May 2015.
• This paper Signal-based classical emulation of a universal quantum computer presented a scheme for realizing a classical analog electronic device that behaves just like a gate-based quantum computer. [Signal-based classical emulation of a universal quantum computer. New Journal of Physics, vol. 17, 053017 (2015).]
• This paper A locally deterministic, detector-based model of quantum measurement demonstrated that one can obtain quantum-like behavior classically by considering only amplitude threshold detections. [A locally deterministic, detector-based model of quantum measurement. Foundations of Physics, vol. 44, 1059-1084 (2014).]