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A"],"published-print":{"date-parts":[[2026,8,1]]},"abstract":"<jats:p>This feature issue is motivated by a recent upswing in optical and photonic research in South Asia and its increasing influence on both the scientific community and regional economies. In response, JOSA A and JOSA B have launched this feature issue on Optics in South Asia, focusing on work from Bangladesh, India, Nepal, Pakistan, and Sri Lanka. To maintain the standards of JOSA A and JOSA B, all submissions underwent a rigorous peer-review process. The issue highlights ongoing outstanding research in optics and photonics in South Asia, covering topics that span the full scopes of both journals\u2014from classical optics, image science, and vision (JOSA A) to fundamental studies of light\u2013matter interaction, including quantum optics, nonlinear optics, and laser physics (JOSA B). 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