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Atoms See the Light

George Rajna

Published Mar 1, 2020• 0 citations
OpenAlex

Abstract

Researchers in the Light-Matter Interactions for Quantum Technologies Unit at the Okinawa Institute of Science and Technology Graduate University (OIST) have generated Rydberg atoms—unusually large excited atoms—near nanometer-thin optical fibers. [41] A new theoretical analysis shows that laser photons used for cooling atoms have a unique thermal distribution that could be used to study many-body physics. [40] Researchers have now shown that all these lasers can be replaced by a single device called a microcomb. [39]

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Researchers in the Light-Matter Interactions for Quantum Technologies Unit at the Okinawa Institute of Science and Technology Graduate University (OIST) have generated Rydberg atoms—unusually large excited atoms—near nanometer-thin optical fibers. [41] A new theoretical analysis shows that laser photons used for cooling atoms have a unique thermal distribution that could be used to study many-body physics. [40] Researchers have now shown that all these lasers can be replaced by a single device called a microcomb. [39]
"This book derives from the content of graduate courses on cold atomic gases, taught at the Renmin University of China and at the University of Science and Technology of China. It provides a brief review on the history and current research frontiers in the field of ultracold atomic gases, as well as basic theoretical description of few- and many-body physics in the system. Starting from the basics such as atomic structure, atom-light interaction, laser cooling and trapping, the book then moves on to focus on the treatment of ultracold Fermi gases, before turning to topics in quantum simulation using cold atoms in optical lattices. The book would be ideal not only for professionals and researchers, but also for familiarizing junior graduate students with the subject and aiding them in their preparation for future study and research in the field."--
The knowledge and technologies invented and accumulated in the field of quantum information science are turning into near-future industrial technologies and products. The most obvious example is the quantum computer, in which many IT giants started investing large sums to develop. Besides the quantum computer, 'quantum technologies' also includes sensing and communication. Dr Yuimaru Kubo is an expert on quantum information science and technologies with 'spins in gem crystals'. He is based at the Okinawa Institute of Science and Technology (OIST) where his research team is currently investigating how quantum information can be stored, transmitted, or amplified with unprecedented efficiencies utilising the spins of electrons or nuclei in 'gem crystals'.