Sankaran Ramesh

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607, Nano-CRF SATHI Building

IIT Kharagpur

West Bengal, India 721302

I am an Assistant Professor at the Centre for Interdisciplinary and Convergent Technologies (CIDCT), Indian Institute of Technology Kharagpur. At SRLab, I am currently involved in establishing ultrafast spectroscopy and imaging capabilities for direct investigation of hybrid materials.

At SRLab we ask the question : How does structural arrangement and coupling of parts in a material give rise to properties that the individual parts do not possess? For example, directed energy flow in a heterostructure, transfer of optical chirality at a hybrid interface, and charge localisation in deformable ionic structures. We use the techniques of ultrafast spectroscopy to observe these phenomena directly. You can find more in our Research page. ​​

Before joining IIT-KGP, I worked as a Postdoctoral Researcher at the Chemical Physics Division, Lund University, Sweden with Tönu Pullerits, where I developed techniques of coherent phonon spectroscopy and spectroscopy using quantum light. I completed my Ph.D. from the Interdisciplinary Graduate Programme at Nanyang Technological University (NTU), Singapore, where I was advised by Tze Chien Sum.

For more details, you can check my CV.

news

Jun 29, 2026 Delivered the IAS-NTU STEM Graduate Colloquium at Nanyang Technological University, Singapore on “Left, Right and Ultrafast: Chiral Dynamics in Gold Nanoparticles and Perovskite Lattices”. Read the article about the talk in Institute of Advanced Study (IAS) News page.
Jun 09, 2026 New Preprint: Helicity-Resolved Spatiotemporal Mapping of Chiral Plexcitons in Helicoids
Apr 13, 2026 I joined the Centre for Interdisciplinary and Convergent Technologies, IIT Kharagpur as an Assistant Professor.
Jan 15, 2026 New Publication in Nature Communications: Dimensionality-dependent electronic and vibrational dynamics in low-dimensional tin halides.
Jul 14, 2025 New Preprint: Phonon-Mediated Chirality Transfer from Organic Cation to Inorganic lattice in Hybrid Perovskites.