Indian Institute of Technology Bombay | India
Kousik Bera is an emerging researcher in optical physics and advanced materials science, with an h-index of 4, 11 research documents, and 48 citations across 44 citing works. He earned his research training at premier Indian institutions, focusing extensively on Raman spectroscopy, thermal transport in two-dimensional materials, nonlinear optics, and quantum photonics. His experience spans studies on hexagonal boron nitride (hBN), GaN nanowall networks, Heusler alloys, Pd–Ag nanostructures, and entangled photon generation using PPKTP crystals. He has contributed to prestigious journals such as Optics Communications, Physical Review B, Journal of Applied Physics, Applied Physics Letters, Optical Materials, and Nanotechnology. His research interests include 2D materials, ultrafast laser–matter interactions, spectroscopy-driven materials characterization, superconductivity, and quantum-enhanced optical systems. Bera’s work integrates experimental materials science with quantum photonic applications, highlighting his interdisciplinary expertise. His contributions have supported advancements in thermal conductivity engineering, strain analysis, nonlinear optical behavior, and surface-enhanced Raman spectroscopy (SERS). He has collaborated with multiple national and international research groups, extending the impact of his work across several domains of condensed matter physics. With a steadily growing publication record and diversified research output, he continues to advance innovative spectroscopic and nanomaterial-based methodologies.
Featured Publications
Bera, K., Dubey, P. K., Kumar, A., & Jha, M. (2025). Bright source of degenerate polarization-entangled photons using type-0 PPKTP crystal: Effects of accidental coincidences. Optics Communications, 132401. https://doi.org/10.1016/j.optcom.2025.132401
Bera, K., Moram, S. S. B., Banerjee, D., Lahiri, J., & Rao Soma, V. (2024). Surface enhanced Raman scattering-based sensing and ultrafast nonlinear optical properties of silver-hexagonal boron nitride nanocomposites achieved by femtosecond laser ablation. Optical Materials, 157, 116393. https://doi.org/10.1016/j.optmat.2024.116393
Das, N. M., Chauhan, A., Bharati, M. S. S., Bera, K., et al. (2024). Nanostructured bi-metallic Pd–Ag alloy films for surface-enhanced Raman spectroscopy-based sensing application. Journal of Vacuum Science & Technology A, 42(5). https://doi.org/10.1116/6.0003748
Bera, K., Chugh, D., Bandopadhyay, A., Tan, H. H., Roy, A., & Jagadish, C. (2023). Decoupling the roles of defects/impurities and wrinkles in thermal conductivity of wafer-scale hBN films. Journal of Applied Physics, 134(15). https://doi.org/10.1063/5.0168186
Rahaman, A., Paramanik, T., Pal, B., Pal, R., Maji, P., Bera, K., et al. (2023). Surface-phase superconductivity in a Mg-deficient V-doped MgTi₂O₄ spinel. Physical Review B, 107(24), 245124. https://doi.org/10.1103/physrevb.107.245124