Pranab Dutta, S. Sagar Maurya, Kushal Patel, Korak Biswas, Jay Mangaonkar, Sumit Sarkar, Umakant D. Rapol
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A Decade of Advancement of Quantum Sensing and Metrology in India Using Cold Atoms and Ions
Ultracold atoms and ions provide novel test-beds for quantum sensing and metrology. Technological advancement towards the construction of ultrastable and narrow linewidth lasers, optical frequency combs, and microwave electronics made it possible to realize atom interferometers with state of the art sensitivity and the most accurate clocks in the world based on long-lived quantum states of atoms and ions. Such systems have been utilized in applications starting from geodesy and navigation to the measurement and redefinition of fundamental constants. The field awaits a more enriched future in addition to the proposed applications of such systems in improving the Global Positioning System, secured communications, and exploring mineral and underground water resources. Here, we briefly report on the initiatives and current status of India in this research field in view of the global progress.
期刊介绍：
Started in 1914 as the second scientific journal to be published from India, the Journal of the Indian Institute of Science became a multidisciplinary reviews journal covering all disciplines of science, engineering and technology in 2007. Since then each issue is devoted to a specific topic of contemporary research interest and guest-edited by eminent researchers. Authors selected by the Guest Editor(s) and/or the Editorial Board are invited to submit their review articles; each issue is expected to serve as a state-of-the-art review of a topic from multiple viewpoints.
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