Department of Physics, Indian Institute of Technology Bombay, Mumbai, India

ToPP Group

Topological Photonics and Polaritonics Group


  • November 2025: Prof. Subhaskar delivered an invited talk on “Axion Photonic Crystal” at the OPTIQ Conference in Kochi, Kerala, India [Conference Link].
  • OPTIQ
  • October 2025: Prof. Subhaskar has joined the Editorial Board of Scientific Reports and is a Guest Editor for the Special Issue on Polaritons [Link].
  • Polaritons
  • September 2025: We welcome Dr. Deep Mondal, who has joined us as an Institute Postdoctoral Fellow.
  • Deep_Joining
  • August 2025: We are delighted to host Prof. Daniel Leykam from the Singapore University of Technology and Design (SUTD) during his visit to IIT Bombay. In the photo below: Subhaskar, Dheerendra, and Mousam with Daniel at Marine Drive, Mumbai, India.
  • Daniel_Marine_Drive
  • August 2025: Our group has organized a Workshop on Recent Trends in Optics and Photonics, sponsored by the SCPP project at IIT Bombay [Workshop Link].
  • SCPP_Workshop
  • August 2025: A warm welcome to our PhD students — Mr. Mousam Dey, Ms. Neha Bhoria, and Mr. Prem Kumar Mourya.
  • Mousam_Neha_Prem
  • July 2025: We are pleased to welcome our first group member, Dr. Dheerendra Singh, who joins us as an Institute Postdoctoral Fellow.
  • Dheerendra