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Louisiana State University-Led Researchers Use AI to Improve Quantum Technologies

LSU Quantum
LSU Quantum
An LSU research team introduce a smart quantum technology for the spatial mode correction of single photons.

Using artificial intelligence for the spatial mode correction of single photons could lead to practical quantum technologies, report a Louisiana State University-led research team.

The researchers, who published their findings in a paper featured the March 2021 issue of Advanced Quantum Technologies, the authors exploit the self-learning and self-evolving features of artificial neural networks to correct the distorted spatial profile of single photons.

The authors, doctoral candidate Narayan Bhusal, postdoctoral researcher Chenglong You, graduate student Mingyuan Hong, undergraduate student Joshua Fabre, and assistant professor Omar S. Magaña‐Loaiza of LSU—together with collaborators Sanjaya LohaniErin M. Knutson, and Ryan T. Glasser of Tulane University and Pengcheng Zhao of Qingdao University of Science and Technology—report on the potential of artificial intelligence to correct spatial modes at the single-photon level.

“The random phase distortion is one of the biggest challenges in using spatial modes of light in a wide variety of quantum technologies, such as quantum communication, quantum cryptography, and quantum sensing,” said Bhusal. “In this paper, we use artificial neurons to correct distorted spatial modes of light at the single-photon level. Our method is remarkably effective and time-efficient compared to conventional techniques. This is an exciting development for the future of free-space quantum technologies.”

“We are now exploring paths to implement our machine learning scheme in the Louisiana Optical Network Initiative to make it smart, secure and quantum.”

The newly developed technique boosts the channel capacity of optical communication protocols that rely on structured photons.

“One important goal of the Quantum Photonics Group at LSU is to develop robust quantum technologies that work under realistic conditions,” said Magaña‐Loaiza. “This smart quantum technology demonstrates the possibility of encoding multiple bits of information in a single photon in realistic communication protocols affected by atmospheric turbulence. Our technique has enormous implications for optical communication and quantum cryptography. We are now exploring paths to implement our machine learning scheme in the Louisiana Optical Network Initiative (LONI) to make it smart, secure and quantum.”

The U.S. Army Research Office is supporting Magaña‐Loaiza’s research on a project titled “Quantum Sensing, Imaging, and Metrology using Multipartite Orbital Angular Momentum.”

“We are still in the fairly early stages of understanding the potential for machine learning techniques to play a role in quantum information science,” said Sara Gamble, program manager at the Army Research Office, an element of DEVCOM ARL. “The team’s result is an exciting step forward in developing this understanding, and it has the potential to ultimately enhance the Army’s sensing and communication capabilities on the battlefield.”

The Louisiana Quantum Initiative is a statewide project to advance the research and technology of quantum systems in the context of the second quantum revolution and develop the strategy and technological infrastructure of quantum-driven networks and devices. The vast constellation of Louisiana scientists who are part of the initiative encompasses researchers from all over the state, from both public and private institutions. The initiative is an ecosystem of research that relies on emergent and dynamic associations and efforts among institutions as well as individual members.

The Quantum Photonics Group in the Department of Physics and Astronomy at LSU investigates novel properties of light and their potential for developing quantum technologies. The team also conducts experimental research in the fields of quantum plasmonics, quantum imaging, quantum metrology, quantum simulation, quantum communication, and quantum cryptography.

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Matt Swayne

With a several-decades long background in journalism and communications, Matt Swayne has worked as a science communicator for an R1 university for more than 12 years, specializing in translating high tech and deep tech for the general audience. He has served as a writer, editor and analyst at The Quantum Insider since its inception. In addition to his service as a science communicator, Matt also develops courses to improve the media and communications skills of scientists and has taught courses. [email protected]

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The Future of Materials Discovery: Reducing R&D Costs significantly with GenMat’s AI and Machine Learning Tools

When: July 13, 2023 at 11:30am

What: GenMat Webinar

Jake Vikoren

Jake Vikoren

Company Speaker

Deep Prasad

Deep Prasad

Company Speaker

Araceli Venegas

Araceli Venegas

Company Speaker

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