HAVING ACCESS TO [BERKELEY’S] QUANTUM LAB THROUGH UCNI REALLY OPENS UP NEW AREAS OF RESEARCH. THIS COLLABORATION HAS NOT ONLY BUILT MY LAB’S COMPETENCE BUT ALSO GIVEN MY STUDENTS A CHANCE TO INTERACT WITH EXTERNAL COLLABORATORS AND A NATIONAL LAB, WHICH HAS BEEN INCREDIBLY IMPORTANT FOR THEIR TRAINING AS PROFESSIONAL RESEARCHERS.
A Powerful Collaboration Siddiqi’s team at UC Berkeley brings expertise in superconducting quantum devices and access to the Berkeley Quantum Information and Computation Center, founded in 2004. This partnership is invaluable to the research of Radulaski and her team. Radulaski's R-Lab specializes in quantum nanophotonics, studying how light interacts with matter at the smallest scales to harness quantum mechanical properties for computing, communication and sensing. “We definitely look up to Berkeley in terms of how to navigate research in quantum information,” Radulaski said. “Having access to their quantum lab through the UCNI really opens up new areas of research. This collaboration has not only built my lab’s competence but also given my students a chance to interact with external collaborators and a national lab, which has been incredibly important for their training as professional researchers.”
New Breakthroughs in Quantum Research This is the second time the Radulaski-Siddiqi team has secured UCNI funding, and their work has already achieved a major milestone. Together, they investigated if superconducting quantum computers can become a tool for designing quantum devices in photonic platforms. Their findings enable the present digital quantum machines to navigate the creation of complementary photonic functionalities in quantum networking and analog quantum simulation. Their project is the first step in bringing together phenomenology of cavity quantum electrodynamics (QED) and circuit QED to provide a basis for further explorations of quantum photonics effects on superconducting quantum computers. Beyond the opportunities for students, bridging these two research areas—quantum nanoelectronics and quantum nanophotonics—could be the key to unlocking new quantum technologies with far-reaching applications, from secure quantum communication to next-generation superconducting materials. “We are working together to understand energy at the smallest level of scale,” Radulaski explained. “By simulating these interactions, we create a model that can then be applied at a more macro scale.”
Recently, successfully simulated cavity-emitter interactions—a key process in photonic devices—on a superconducting quantum computer. By applying a combination of known and novel error mitigation techniques, they significantly improved the simulation’s accuracy. The team also compared how well superconducting quantum hardware models performed in these interactions versus trapped ion quantum hardware, offering new insights into the strengths and limitations of each approach. the team
Image courtesy of UC Davis
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