Totally changing our understanding of light and its interactions, a recent study delves into the field of quantum optics, and even the interaction of a single light particle with a single atom can find surprising insights. When light composed of these light particles passes through space, it proceeds at the speed of light. However, this speed may vary as light passes through different materials. This change is attributed to the refractive index, which explains the interaction between light and material. By exploring how individual light particles interact with two-stage atoms, this study elucidates the behavior of light particles and opens up new avenues for long-distance quantum communication.
In a groundbreaking study, Professors Yuri Rostovtsev, Professors Jacob Emerick and Professor Anil Patnaik of the University of North Texas and the Air Force Technical College have made significant progress in the field of light and atomic interactions. Their study, published in “The Results of Opticals”, explores the interaction of individual optical particles with single atoms, a key phenomenon in the development of long-distance quantum communication.
This study focuses on the basic concepts of light and atom interaction, especially how light behaves when it interacts with a single atom. Understanding this interaction is essential for controlling light in quantum communication systems. The study highlights that even at the level of individual light particles and atoms, light changes its path and properties, which is crucial for transmitting quantum information over a long distance.
A key aspect of this study is to calculate the different speeds of light particles propagating and how quickly they can carry information, which affects how quantum information is transmitted and processed. In simpler terms, these velocities determine how quickly the information delivered by light particles can propagate and process in quantum systems.
Professor Yuri Rostovtsev explained: “We demonstrated the change in the path of a single optical particle caused by a single atom, which can be detected using a Mach-Zehnder interferometer. This method allows us to introduce a refractive index to a single optical particle, which can Suitable for a wide range of applications in quantum fields: from quantum information, quantum computing to imaging to improved microscopy and long-distance quantum communication”.
Their findings using a Mach-Zhhnder interferometer show changes in the path of a single optical particle caused by a single atom, which is also relevant to the quantum domain in understanding the refractive index commonly used in classical optical components. . These findings have huge practical applications, extending from quantum computing to the capabilities of devices such as enhanced microscopy and long-distance quantum communication.
Furthermore, Professor Rostovtsev stressed: “The light particles that propagate in the arms with the atoms will undergo additional changes in their path due to interactions with the atoms. This change changes the balance of the MZ interferometer and affects the light in path 1. The possibility of particle appearance. By changing the detachment from the atomic resonance, we can observe how the changes obtained in the path depend on detuning, showing that the behavior of path changes is similar to that of classical light behavior.”
In summary, the work of Rostovtsev, Emerick and Patnaik provides important insights into the interaction between single-light particles and atoms, enhances our understanding of light and atom interactions, and lays a solid foundation for future advances in quantum communication technology. Base.
Journal Reference
Yuri Rostovtsev, Jacob Emerick, Anil Patnaik, “The refractive index of a single atom experienced by a single photon”, resulting in optics, 2023, doi: 10.1016/j.rio.2023.100568
Image source
Image via Flickr via Ecole Polytechnique.
About the Author
Dr. Yuri Rostovtsev He is a professor of physics at the University of North Texas in Denton, Texas, USA. He is known for his contribution to the quantum coherence of various culture media, ranging from atomic and molecular gases to solids to nuclei. He received his master’s degree from the Moscow Institute of Physics and Technology in Moscow, Russia in 1983, and in 1991 he received his PhD degree from the Institute of Applied Physics, Russian Academy of Sciences, Russian Academy of Sciences, Nizhny Novgorod, Russia in 1991, . Since 1983, he has worked in the Institute of Applied Physics, Russian Academy of Sciences. In 2009, Dr. Rostovtsev moved to the University of North Dexas, where he currently works in the Department of Physics and the Center for Nonline Science.
Dr. Yuri Rostovtsev has published more than 200 papers in recommended journals, and his research interests are in atomic and molecular physics, laser spectroscopy, Raman spectroscopy, Raman spectroscopy, laser physics, quantum and nonlinear optics, free electrons, Free electrons, quantum thermodynamics, quantum information, quantum, quantum, quantum, quantum, quantum, quantum, quantum, quantum, quantum, quantum, quantum, quantum, quantum, quantum, quantum, quantum, quantum, quantum, quantum, quantum, quantum, quantum, quantum, quantum, quantum, quantum, quantum , quantum, quantum, quantum, quantum, quantum, quantum, quantum, quantum, quantum, quantum, quantum, quantum, quantum, quantum, quantum, quantum. Computers, nanolactose, nanoin, nanomaterials, super-resolution, collective and cooperative excitement and phenomena. He is a senior member of the American Optical Society. Dr. Rostovtsev received the International Association for Advanced Materials (IAAM) Medal Award for the 2019 Annual Annual and is a Fulbright Scholar, 2021-2022 (Fulbright Scholarship in Serbia).
Jacob Emerick He is a graduate student at the University of North Texas, Denton, Texas, USA. He is conducting research in the fields of quantum and nonlinear optical elements to study quantum coherence effects in various media. He received his Bachelor of Science from Baylor University in 2015. In 2018, Mr. Emerick received his graduate program at the University of North Texas, where he successfully received his master’s degree in 2021. Currently, he is actively engaged in research. In the Department of Physics and the Center for Nonlinear Science, his commitment to advancing knowledge in these fields is demonstrated.
Dr. Anil Patnaik He is an expert in the theory and experiments of basic laser interactions in classical and quantum systems and their application fields. He received his Master of Science in Physics (specialization in “Solid State Physics”) in 1995 from Utkal University in Bhubaneswar, India and from India Space Ministry, India Space Ministry, India Space Ministry The PhD from the Physics Research Laboratory received a PhD. In 2001, the paper title: “New Optical Phenomenon Caused by External Fields”. Dr. Patnaik is a JSP postdoctoral research assistant at the University of Telecommunications in Tokyo, Japan, 2001-2003, the latter research assistant, Texas A&M University, Texas University Station, Texas, 2003-2005.
Dr. Anil Patnaik is an associate professor of physics at the Air Force Institute of Technology (AFIT). His expertise includes a wide range of topics of quantum optics and quantum information, as well as a variety of light interaction applications. He has worked extensively in the fields of quantum optics, nonlinear optics, and applications, and has published 50 highly cited journal publications, seven book chapters, and approximately 200 invited speeches and presentations. In other publications, he has also written two extensive reviews on the applications of optical sensing. One of them has become one of the most cited comments and has received the highest 1% cited engineering magazine in the Science Network. Dr. Patnaik received his Ph.D. In quantum optics. He has held several academic and visiting positions in prominent institutions such as Princeton University, Texas A&M, Purdue University and Max Planck Quantum Academy. Recently, Dr. Patnaik received the Outstanding Teaching Professor Award at AFIT. He has been actively involved in numerous professional societies such as the American Physics Society, Optica (formerly the American Optical Society), and the American Academy of Aeronautics and Astronautics.
