Chief Technology Officer

Arnab Goswami joined as the Chief Technology Officer (CTO) of the centre in January 2022, succeeding our first CTO Mr. Solomon Krubhakar. He is also a registered PhD research scholars (Advanced Level) at the Dept. of EE, IIT Madras. Prior to this, he completed his B.E. degree in Electronics and Telecommunication from IIEST, SHIBPUR (BESU) in 2014 and M.Tech in Communication Engineering from NIT Agartala in 2017. Besides his own research interest in the area of quantum photonics devices and circuits, he has been involved in the overall lab infrastructure development, fabrication process development, supervising design and foundry tapeouts of programmable silicon photonics chips. He is also responsible for the creation and execution of self-sustenance plan and techno-commercial roadmaping for the centre. In his leisure time, Arnab loves to play and watch football.

Address: Room No.- CSD 301A
Dept. of EE, IIT Madras, Chennai-600036, Tamil Nadu, India
Phone No: +91 44 2257 4490
Email: cto-cppics[at]

Research Associates

Dr. Diptasree Maitra Ghosh joined as a research associate in February 2021. She has been involved in fabrication process development (E-Beam Lithography) and packaging of silicon photonics chip. Her other role for the centre is to develop techno-commercial roadmap for Indian Silicon Photonics market. Prior to this, she obtained her PhD in Biomedical Engineering from IIT Madras and MS in Electrical Engineering from Morgan State University, USA.


Dr.Nagarajan Nallusamy joined as a research associate in CPPICS in March 2022. Before this, he worked as a research associate in BITS Pilani, Rajasthan, in HEMT inspired GaN optical waveguides for high-pressure sensing applications. He completed his Ph.D. from SASTRA deemed University, Thanjavur, Tamil Nadu. His doctoral work mainly focused on modulational instability/FWM process-based sensors using photonic crystal fibers. Apart from the research he interested in Tamil archaeology findings, photography and trekking.


Dr. Shamsul Hassan joined as the Project Scientist Level-I in CPPICS in December 2022. Prior to this, he completed Ph.D. from IIT (ISM) Dhanbad, M.Tech. in Electronics & Communication Engineering from Kalyani Government Engineering College, and B.Tech. in ECE from West Bengal University of Technology Kolkata. His area of research includes Silicon Photonics, Photonic Integrated Circuits and Photonic Quantum Computing. He is an Early career member of IEEE, SPIE and OPTICA (OSA), and Corporate Member of IETE.


Process Engineers

Vinoth Subramanian joined as a Project Associate in August 2018. His current research area is packaging of Silicon Photonic devices. He is working towards the experimental setup for packaging and fibre pigtailing of the fabricated devices. He has completed M.Tech from Anna University, Chennai.


Sarad Subhra Bhakat joined as a Project Associate in January 2020. He is currently working on Silicon Nitride Process flow as well as packaging & fibre pigtailing of Silicon Photonic fabricated devices. He has obtained his M.Tech in Optics and Optoelectronics from University of Calcutta in 2019 and B.Tech in Electronics and Instrumentation Engineering from Techno India, Salt Lake (WBUT), Kolkata in 2016. Apart from research, he loves to read books and has a passion for playing Guitar.


Dyuti joined as a Project Associate in December, 2021 and is working on photonic integrated circuits. She has done B.Sc and M.Sc in Electronic Science from the University of Calcutta, with her final year project on Analog CMOS circuits. She has a deep liking for travelling and reading travel stories.