Academic Career

• • EPISTEME99 Founder, PI | Feb 2023 - Present | Hamburg, Germany 

Secured competitive funding from the German IFB program (solo founder). Consultant for European Commission Directorate-General-led studies on Critical Digital Technologies (Photonics).

• • THEORY DIVISION, CENTER FOR FREE-ELECTRON LASER SCIENCE, DESY Research Scientist | Oct 2019-Present | Hamburg, Germany with Prof. Robin Santra

Developed a theoretical-computational framework for high-energy diffractive imaging at synchrotron radiation sources and single-particle imaging at Free-Electron Laser sources. Leading the application of Geometric Machine Learning for spatio-temporal imaging.

• • THEORY DIVISION, MPI FOR THE STRUCTURE AND DYNAMICS OF MATTER Research associate | Sep 2015-Sep 2019 | Hamburg, Germany with Prof. Angel Rubio

Formulated a theory of quantum nonlinear optics utilizing entangled photon sources for open quantum systems. Developed Green's function-based numerical simulation protocols. Led exploratory research on the ultrafast cavity-QED of energy-harvesting systems.

• • UNIVERSITY OF CALIFORNIA IRVINE Research associate | Apr 2014 - Aug 2015 | Irvine, California, USA  with  Prof. Shaul Mukamel

Formulated a quantum theory of spectral-temporal filtering and photon coincidence counting for dissipative systems. Developed numerical simulation protocols for molecular energy harvesting systems.

• • FREIE UNIVERSITÄT BERLIN, GERMANY Visiting researcher | Jan 2014 - March 2014 & Jun 2009-Aug 2009 Berlin, Germany with Prof. J. C. Tremblay and Prof. Jörn Manz.

Developed a numerical simulation framework for catalytic adsorbates on metal surfaces. Contributed to a numerical simulation framework for time-dependent coupled nuclear-electronic quantum fluxes.

• • 2009-2013 Ph.D. in Physics, LCAR, CNRS & Université de Toulouse III, France with late Prof. Christoph Meier.

Dissertation: Control of open quantum systems: Applications to exciton dynamics in quantum dots and vibrational dynamics in carboxyhemoglobin 

Developed the theory and simulation framework for laser pulse shaping based quantum control of dissipative systems. Led the applications to ultrafast control of semiconductor quantum dots used as heralded photon sources. 

Implemented a multiscale simulation strategy describing ultrafast vibrational quantum dynamics in biomolecules. 

Expanded institutional collaborations with LPCNO, CNRS, Toulouse. 

Disseminated research at premier conferences, including RSC Faraday Discussions, CECAM, and FEMTO 10.

• • 2007-2009 M.Sc. Chemistry, Indian Institute of Technology, Guwahati, India.

Dissertation: Effects of chaotic phase space on high harmonic generation with Prof. Ashish K. Gupta. 

Developed a semiclassical theory for High Harmonic Generation in simplified model systems. 

Distinguished rank-holder in the selection of CSIR, Government of India Fellowship (not pursued). Received Honorable Mention for the Master of Science (MS) dissertation. 

Summer student researcher at Indian Institute of Technology, Kanpur & Indian Association for the Cultivation Science.

• • 2004-2007 B.Sc. Major in Chemistry with Physics, Mathematics, Statistics, University of Calcutta, India.

Distinguished rank-holder in Joint Admission Test conducted by Indian Institute of Technologies.

• 2023 IFB Disruptive Innovation Grant, Germany. 

• 2019-2023 Helmholtz Association DESY Photon Science Fellow, Germany. 

• 2015-2019 Max Planck Institute Research Grant, Germany. 

• 2014 CIC Fellowship, Freie Universität Berlin, Germany. 

• 2012 Agence Nationale de la Recherche (ANR) Research Grant, France.

• 2009 EU Marie Skłodowska-Curie Fellowship (EU-FP7).

• 2009 CIC Student Fellowship, Freie Universität Berlin, Germany.

• PROGRAMMING LANGUAGES Python, Julia, Mathematica, Matlab FORTRAN, C++ (basic).

• PACKAGES PyTorch TensorFlow (basic) Gurobi (basic).

• QUANTUM PROGRAMMING Qiskit Cirq Penny Lane QML Pandas 

• SIMULATION SOFTWARE OCTOPUS TDDFT code(basic) , Psi4(basic) 

• R&D MANAGEMENT Research communication, Grant management (budget, compliance, scientific milestones), Version control systems.