• PhD (Fiber Lasers), Optoelectronics Research Center, University of Southampton, UK 2011 to 2015
• MTech (Laser Technology) IIT Kanpur, 2009 to 2011
• BTech (Electronics & Communication) 2005 to 2009

• Assistant Professor, Electrical Engineering Department, IIT Bombay, 2021-2022
• University Research Fellow, The University of Sydney, Australia 2018-2021
• Hans Christian co-funded Marie Curie fellow, Technical University of Denmark, 2015-2018

Optical Fiber Design, Fabrication, and Devices such as Lasers, Optical Communication, and Sensors, etc. (2) Qunatum Photonics Technology: Entangled Single Photon sources and Qunatum Communication (3) Silicon Photonics for Sustainable hardware for Qunatum and Artificial Intelligence. At SFPD, we guide, produce, amplify, control, tailor, filter, split, shape, broaden, and compress light for mankind's benefits!

• An advanced fabrication method for Yb3 -Doped optical fibers featuring AlPO4 core glass, D Karmakar, K Dana, S Ghosh, D Jain, MC Paul, A Dhar Ceramics International 50 (21), 41044-41056, 2024
• Optimizing bendable “ARC” optical fibers for comparable performance to rod-type fibers in ultra-high-power lasers, S Thekkeyil, A Dhar, D Jain Journal of Lightwave Technology 42 (20), 7342-7349, 2024
• Hybrid antiresonant negative-curvature optical fibers: theoretical analysis and sensing application, D Karmakar, A Dhar, D Jain, Journal of the Optical Society of America B 41 (10), 2309-2317, 2024
• Large mode area bend compensated ARC fiber for high-power laser output S Thekkeyil, A Dhar, D Jain, 2024 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR), 1-2, 2024