This book is a collection of selected works and new research results of scholars and graduate students presented at International Conference on Quantum Technology and Applications (QUANTUMKOL 2025) held in Kolkata during December 17–19, 2025. This book covers topics such as quantum algorithms, cryptography, communication, and neural networks to quantum-inspired AI models.

Dr. Jyotsna Kumar Mandal completed his M.Tech. in Computer Science from University of Calcutta in 1987, awarded Ph.D. (Engineering) in Computer Science and Engineering by Jadavpur University in 2000. He is working as a professor of Computer Science & Engineering, University of Kalyani. He was the former vice chancellor, Raiganj University, West Bengal, former dean, faculty of Engineering, Technology & Management, KU for two consecutive terms during 2008–2012. He was the former director, IQAC, and chairman CIRM Kalyani University. He served as a professor in Computer Applications, Kalyani Government Engineering College for two years. He was an associate professor in Computer Science for eight years at North Bengal University and Assistant Professor Computer Science North Bengal University for seven years. He also served as lecturer at NERIST, Itanagar for one year. He has published more than 450 research articles. Recently, he published a textbook on “Reversible Steganography and Authentication via Transform Encoding” with Springer Nature.
Dr. Debashis De is a professor in the Department of Computer Science and Engineering & Director of School of Computational Science of MAKAUT, WB, India. He received M.Tech. from the University of Calcutta, 2002, and a Ph.D. from Jadavpur University in 2005. He is a senior member-IEEE, fellow IETE, life member CSI. He was awarded the prestigious Boyscast Fellowship by the Department of Science and Technology, Government of India, to work at the Heriot-Watt University, Scotland, UK. He received the Endeavour Fellowship Award from 2008–2009 by DEST Australia to work at the University of Western Australia. He received the Young Scientist award both in 2005 at New Delhi and in 2011 in Istanbul, Turkey, from the International Union of Radio Science, Belgium. In 2016, he received the JC Bose research award by IETE, New Delhi. In 2019, he received Shiksha Ratna Award by the Govt. of West Bengal.