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Photonic Sensors Lab
Indian Institute of Technology, Gandhinagar
"The work will teach you how to do it"
Recent Updates
New paper
Rituparna's paper titled "Deep Learning-enhanced Speech Detection in Noisy Environments Using A Fiber Bragg Grating-based Throat Microphone" is now available on IEEE Xplore. This is the first machine learning-based paper from our lab. Much to learn.
Patent granted
Chandan's patent titled "SYSTEM FOR MONITORING HAND AND FINGER MOVEMENTS" (application number 202021029035) was granted on 9 Jan 2026!!
Arup Lal Chakraborty
Professor, Department of Electrical Engineering
Associate Editor, Optics and Lasers in Engineering
AB 13/321C Indian Institute of Technology Gandhinagar
Gandhinagar 382055, Gujarat, India
Email: arup AT iitgn.ac.in
New editorial role
Arup assumes the role of Associate Editor of Optics and Lasers in Engineering from Dec 2025.
Updates about PhD students
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Shruti defended her PhD thesis on 18 Sep 2026. She is currently focussing on raising her infant daughter.
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Rituparna defended her PhD thesis on 1 June 2026 and has joined Prof Deepa Venkitesh, IIT Madras in the Advanced Optical Communication Testbed project as a postdoctoral fellow.
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Payel defended her PhD thesis on 1 June 2026 and is now in IISc Bangalore working as postdoctoral fellow in Prof Ambarish Ghosh's lab
BEST PAPER AWARD
Rituparna won the Best Paper Award at the recently concluded Optical Sensors 2025 conference, part of the SPIE Optics + Optoelectronics Symposia held from April 7-11, 2025, in Prague, Czech Republic for her paper titled "Speech enhancement in FBG-based throat microphones: a tailored long short-term memory recurrent neural network approach" (paper ID 13527-55). She was also awarded a Student Travel Support and a registration fee waiver by the conference organizers.
Congratulations Rituparna!!
BEST PAPER AWARD
Shruti and Della win for their paper titled “Nitric oxide and methane measurements in vehicle exhaust using mid-infrared quantum cascade laser-based 1f WMS", at the XLVII OSI Symposium on Advances in Optics and Photonics Instrumentation (OPTOIn-2024), 23-25 Oct, 2024, CSIO Chandigarh.
Shruti could not attend the conference. Della presented the poster.
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