CV
đ Education
Ph.D. in Physical Science, Aug 2017 â Nov 2022
Homi Bhabha National Institute, Raja Ramanna Centre for Advanced Technology (RRCAT), India
Thesis: Ultrafast Photoexcited Carrier Dynamics in Two-Dimensional Molybdenum Disulfide
Master of Science (M.Sc.), Physics, July 2014 â July 2016
P.G. Department of Physics, Utkal University, Bhubaneswar, India
Bachelor of Science (B.Sc.), Physics (Hons.), 2010 â 2013
Gopabandhu Science College, Athgarh
Utkal University, Bhubaneswar, India
Higher Secondary Education (12th), 2008 â 2010
Council of Higher Secondary Education (CHSE), Odisha, India
Secondary Education (10th), 2008
Board of Secondary Education (BSE), Odisha, India
âď¸ Research Experience
Postdoctoral Research Scholar, Nov 2024 â Present
Department of Physics and Astronomy, University of California, Los Angeles, CA, USA
Project: Fast-ion driven instabilities in tokamak plasmas
P.I.: Dr. Neal Crocker, Dr. W. A. (Tony) Peebles
Postdoctoral Research Scholar, Oct 2022 â Nov 2024
Department of Mechanical and Aerospace Engineering, University of California, Los Angeles, CA, USA
Projects: Plasmon-driven laser-ion acceleration at high-energy regime; Laser ablation for space propulsion
P.I.: Prof. Artur Davoyan
Graduate Student Researcher, July 2017 â Aug 2022
Raja Ramanna Centre for Advanced Technology (RRCAT), Indore, India
Thesis: Ultrafast Photoexcited Carrier Dynamics in Two-Dimensional Molybdenum Disulfide
Supervisor: Prof. J. Jayabalan
Master of Science (M.Sc.) Project, Aug 2015 â July 2016
P.G. Department of Physics, Utkal University, Bhubaneswar, India
Thesis: Basic Ion Optics and Study of Different Electrostatic Lenses
Supervisor: Prof. Durga Prasad Mohapatra
đ ď¸ Technical Skills
Measurement Proficiency
- Transient transmission/reflection spectroscopy and global data analysis
- Microscopic and confocal pumpâprobe spectroscopy
- Ultrafast spin dynamics measurements
- Photoluminescence (steady-state, micro-PL, and time-resolved)
- Micro-absorbance spectroscopy
- UVâVis and FTIR spectroscopy
- Atomic force microscopy (AFM)
Technical Expertise
- Femtosecond and nanosecond pulsed laser operation and beam handling
- Vacuum system operation and integration with optical setups
- Design and development of spectroscopic setups for plasma dynamics
- Selected Instrumentation & Systems Developed:
- Multi-channel mm-wave Doppler Backscattering systems (V-band 4-channel and Q-band 8-channel) for turbulence and flow diagnostics in spherical tokamaks (NSTX).
- Ultrafast pumpâprobe setups (transmission and reflection modes) for carrier and spin dynamics studies in semiconductors and 2D materials.
- Micro-PL/micro-absorption and microscopic pumpâprobe systems for transient transmission in single-layer TMDCs.
- Nanosecond laser ablation system (10 Hz, vacuum-based) with grating spectrometer and ICCD detection for plasma imaging and time-resolved spectroscopy.
- Optical microscopy system for monolayer TMDC identification and precision beam alignment in pumpâprobe experiments.
- Assisted in the development of a four-beam coherent spectroscopy setup.
Programming & Simulation Knowledge
- Programming: Python, MATLAB, Fortran
- Data Analysis & Visualization: OriginLab
- High-Performance Computing: Parallel computing and HPC workflows
- Modeling & Simulation: Particle-in-Cell (EPOCH), Discrete Dipole Scattering (DDSCAT), computational derivation methods
- Electromagnetic/Optical Design: COMSOL Multiphysics (Wave Optics), Ansys Lumerical FDTD, AutoCAD
Experimental Facilities & Instruments Operated
- Ultrafast and Nanosecond Lasers:
- VitaraâLegend Elite TOPAS, Coherent (OscillatorâAmplifierâOPA, 35 fs, 1 kHz, 350â1100 nm)
- Tsunami, Spectra-Physics (100 fs, 80 MHz, 700â1080 nm)
- Mai-Tai HP, Spectra-Physics (85 fs, 80 MHz, 690â1040 nm)
- EKSPLA NL300 series nanosecond laser (1064 nm, 3â6 ns, 5â20 Hz)
- Vacuum & Sample Environment: Turbomolecular pump (Agilent)
- Microscopy: Scanning Probe Microscope (Bruker Multimode 8HR)
- Electronics & Diagnostics: Oscilloscopes, Frequency Analyzer (HP 8593E), Lock-in Amplifier (Signal Recovery 7265)
đĽ Mentoring
Hyeonjong Kim, Ph.D. Scholar, UCLA, USA (Feb â July 2024)
Guided in particle-in-cell (EPOCH) and HPC-based simulations.Joanne Junaed, Undergraduate, UCLA, USA (Aug 2023 â Apr 2024)
Mentored in PIC (EPOCH) simulations, HPC workflows, and Python-based data analysis.Swapnasagar Sahu, Ph.D. Scholar, VIT, India (Dec 2022 â Dec 2023)
Supervised research on lightâmatter interaction using DDSCAT.Manish Kumar, Trainee Scientific Officer, RRCAT, India (2020)
Supervised ultrafast autocorrelation experiments.Sonu Kumar, M.Sc. Candidate, RRCAT, India (2019)
Mentored on time-resolved reflectivity with ultrashort pulses.Mohit Raj, M.Sc. Candidate, RRCAT, India (2019)
Guided in transient photoluminescence studies using optical Kerr gate.
đ Professional Service
Reviewer Activity: Journal of Materials Science: Materials in Electronics (8 reviews), Semiconductor Science and Technology (1 review), Nanotechnology (4 reviews)
Professional Memberships
- American Physical Society (APS), Early Career Member (ID: 62137939)
- Indian Laser Association, Life Member (ID: LM1654)
Outreach & Diversity
- Volunteer and organizer in multiple national seminars and outreach programs:
- Ultrafast Science 2018 (RRCAT, Indore)
- UGC-DRS National Seminars on âRecent Trends in Physicsâ (2016)
- UGC-DRS National Seminar on â100 Years of General Theory of Relativityâ (2015), Utkal University
- National Science Day Celebrations (Utkal University, 2016)
- Space Exploration and Interdisciplinary Science (Gopabandhu Science College, 2012)
- Leadership roles at RRCAT, Indore:
- Athletics and Sports Club Secretary (2018 â 2020)
- Library Secretary (2017 â 2019)
âWe are what we repeatedly do. Excellence, then, is not an act, but a habit.â
â Aristotle