News
Latest papers
- Coherent control of laser-induced periodic surface structures on molybdenum via ultrafast laser writing, Journal of Alloys and Compounds Communications (Jun 2026)
- Linear and Nonlinear Spectroscopic Insights Into the Synergistic Solvation of Rhodamine-6G in Methanol-Dichloromethane Binary Solvent Mixture, Journal of Fluorescence (May 2026)
- Characterizing colloidal clusters with femtosecond optical tweezers, Journal of the Optical Society of America A (May 2026)
- Systematic Study of Third-Order Optical Nonlinearities in CS₂-Based Liquid Ternary Mixtures: Thermal Lens Effects and Weak Two-Photon Absorption in Toluene, ChemistrySelect (Apr 2026)
- Convective Onset in Thermal Lensing: Systematic Pulse-Number-Dependent Experiments and Theoretical Insights into the Femtosecond Regime, The Journal of Physical Chemistry B (Jan 2026)
Listed automatically from the lab bibliography. Every paper, with abstracts and BibTeX, is on the publications page.
2026
JILA Lecture
Prof. Goswami delivered a lecture at JILA, University of Colorado Boulder, hosted by Prof. Henry Kapteyn, entitled “Ultrafast Science with Shaped Light: Seeing and Steering Matter and Interactions in Real Time”. The talk covered femtosecond optical tweezers, femtosecond thermal lens spectroscopy, and a time-domain theory of femtosecond trapping.
2025
Visiting Professorship and Fulbright-Nehru Fellowship
Prof. Goswami has joined the Center for Bits and Atoms at the Massachusetts Institute of Technology as a Visiting Professor, hosted by Prof. Neil Gershenfeld. The visit is supported by a Fulbright-Nehru Academic and Professional Excellence Fellowship and focuses on femtosecond laser machining toward nanofabrication.
JILA Visiting Fellowship
Prof. Goswami has been selected for the JILA Visiting Fellowship program at the University of Colorado Boulder, hosted by Prof. Henry Kapteyn (IIT Kanpur Chemistry news).
2024
UNOOS 2024 at IISER Mohali
The Ultrafast Nonlinear Optics and Optical Spectroscopy (UNOOS) meeting at IISER Mohali, 10 to 12 December 2024, celebrated Prof. Goswami’s academic journey on the occasion of his sixtieth birthday. It was convened by his former student Dr. Arijit K. De and had 55 lectures. Papers by participants appear in a ChemPhysChem special collection, introduced by Dr. De’s editorial (doi:10.1002/cphc.70514, 2026). Rohit Goswami presented a preliminary account of his ChemPhysChem cover feature article, “Adaptive Pruning for Increased Robustness and Reduced Computational Overhead in Gaussian Process Accelerated Saddle Point Searches” (with Hannes Jónsson, 2026), at the meeting and dedicated the article to Prof. Goswami on this occasion.
Editorship of ACS Journal of Physical Chemistry Letters
Prof. Goswami has been invited to join the Editorial Advisory Board (EAB) of The Journal of Physical Chemistry Letters for a term of January 2024 to December 2026.
2023
Purdue Seminar
Prof. Goswami gave a seminar at Purdue University in the Birck Nanotechnology Center, West Lafayette, during the lab’s 2023 visit to the University of Illinois Urbana-Champaign.
Symposium Lecture
Prof. Goswami delivered an invited talk entitled “Observing and Unraveling Nonlinearities and Dynamics at Nanoscales: Chemistry with Femtosecond Lasers” at the IIT Kanpur-La Trobe University online chemistry symposium representing the IIT Kanpur Department of Chemistry.
Visiting Professorship
Prof. Goswami and Sonaly Goswami will be hosted by the Gruebele group under Prof. Martin Gruebele at the University of Illinois Urbana-Champaign for an academic visit of two months.
Best Poster Award
The lab celebrates Deepak Kumar who received the best poster presentation award at the conference PHOTONICS 2023 at IISc Bangalore.
Invited Lecture
Prof. Goswami delivered an invited lecture at the Biological Physics (iPoLS) seminar at the University of Illinois Urbana-Champaign entitled “Harnessing ‘shaped’ light for understanding biological applications at the molecular length scale”.
Invited Colloquium
Prof. Goswami delivered an invited seminar at the Harish-Chandra Research Institute on “Quantum Manipulation with Laser Precision: Exploring the Frontiers of Coherent Control”.
Invited Chem/Biochem Seminar
Prof. Goswami was invited to, and delivered an in-person talk for the Chem/Biochem seminar at the University of Iceland where his talk was entitled: “Steering Molecular Destiny: Exploring the Frontiers of Coherent Control in Chemistry”.
Publication
Congratulations to Subhajit Chakraborty, Ashwini Kumar Rawat, Dr. Amit Kumar Mishra and Prof. Debabrata Goswami, for their publication “Quality Assessment of the Commercially Available Alcohol-Based Hand Sanitizers with Femtosecond Thermal Lens Spectroscopy” (details on the publications page)
Visiting Professorship
Prof. Goswami and Sonaly Goswami have been invited by Prof. Hannes Jonsson at the University of Iceland for an academic visit of two weeks.
2021
Note
These news announcements have been paused till May 2023
Publication
Congratulations to Ashwini Kumar Rawat, Subhajit Chakraborty, Dr. Amit Kumar Mishra and Prof. Debabrata Goswami, for their publication “Unraveling Molecular Interactions in Binary Liquid Mixtures with Time-Resolved Thermal-Lens-Spectroscopy” which has appeared in the Journal of Molecular Liquids, https://doi.org/10.1016/j.molliq.2021.116322.
Conference Lecture
Prof. Goswami delivered an excellent talk entitled “Quantum Information processing with Femtosecond Laser-Induced Control” at the 5th Quantum Optics and Information Meeting. A recording of the same can be viewed here.
Teaching Commendation
Prof. Goswami received a letter of commendation for his course CHM521A: Mathematics for Chemistry during the 2020-21-I semester. Congratulations!
2020
New members!!
Extending a warm welcome to the lab’s newest postdoctoral fellow, Dr. Amit Kumar Mishra, a recipient of an institute fellowship, who has worked on thermal conductivity enhancements, and Sandip Paul, who has joined the PhD program to delve deeper into femtosecond spectroscopy
IoP Instrument Science and Technology Group Committee Chair
Prof. Goswami has been elected to lead the Institute of Physics (London) Instrument Science and Technology Group Committee for the session 2020-2024, taking over from Professor Andy Augousti
Edwin Land Medal Committee Member
Prof. Goswami has been elected to the OSA Edwin H. Land medal selection committee for the 2020-2024 session
First Virtual Physical Chemistry Seminar at Princeton
Due to COVID-19, Prof. Goswami delivered his lecture entitled “Femtosecond Photothermal Spectroscopy for Molecular Recognition” as the first virtual physical chemistry seminar at his alma-mater, Princeton University, hosted by Prof. Greg Scholes.
Associate Editorship of Science Advances AAAS
Prof. Goswami has been elected to the editorial board of the prestigious AAAS Science Advances journal.
Student Advisor for IITK OSA chapter
Prof. Goswami has been elected as the student advisor for the IITK student chapter of the OSA.
Congratulations Dr. Soumendra!!!
Prof. Goswami and the lab wish the best to the newly minted Dr. Soumendra Nath Bandyopadhyay, who successfully defended his thesis on the Application of Femtosecond Optical Tweezers towards the understanding of complex systems. Dr. Bandyopadhyay has gone on to an assistant professorship.
2019
OSA-SPIE-IEEE Student Chapter lecture
Prof. Goswami delivered a talk on “Spatiotemporal Control with Femtosecond Shaped pulses for tracking Light Matter Interactions” at the invitation of the OSA-SPIE-IEEE Student Chapter of the Department of Radio Science of the University of Kolkata.
ICOL-2019
OSI Annual Conference three day conference. Prof. Goswami delivered an invited talk, judged posters, and chaired a session. Rohit gave an oral presentation from the lab.
First PeerJ Physical Chemistry Publication
The group published the first PeerJ Physical Chemistry paper of its inaugural volume entitled Effect of Femtosecond Laser Pulse Repetition Rate on Nonlinear Optical Properties of Organic Liquids
New Site Layout
Made with Jekyll by Rohit Goswami.