Mr. Shewa Getachew Mamo | Best Researcher Award

Mr. Shewa Getachew Mamo | Best Researcher Award

Wolkite University | Ethiopia

Shewa Getachew is a physicist at Wolkite University with an MSc in Physics and an emerging research profile in plasmonics, nonlinear optics, and nanocomposite photonics. With an h-index of 2, eight indexed documents, and ten citations from four sources, his work focuses on the optical properties of core–shell nanostructures, including refractive index engineering, group velocity modulation, optical bistability, and local field enhancement in metal–dielectric composites. His publications span reputable journals such as Physica E, Brazilian Journal of Physics, Applied Physics B, Optical Review, Canadian Journal of Physics, and The European Physical Journal D. His research explores size-, geometry-, and dielectric-dependent plasmonic responses in nanomaterials, contributing to slow- and fast-light applications, nonlinear optical switching, and photonic device optimization. He has also conducted interdisciplinary studies in phytochemistry and higher education pedagogy. As a physics lecturer, he integrates theoretical modeling with computational simulation to advance understanding of nano-optical phenomena. His contributions were recognized with the World Research Awards (WRA) Best Innovation Award (Physics and Astronomy) in 2024. Overall, his work continues to support the development of advanced photonic materials with tunable optical responses for next-generation nanotechnology applications.

Profiles : Orcid | Scopus

Featured Publications

Getachew, S. (2026). Size and dielectric-dependent plasmonic resonances in CdS@Ag core–shell quantum dots: Field enhancement, dispersion, and slow-light effects. Physica E: Low-Dimensional Systems and Nanostructures. https://doi.org/10.1016/j.physe.2025.116371

Getachew, S. (2025). Size-dependent dispersion and slow-light effects in CdS@Ag core-shell quantum dots: A theoretical study of plasmonic resonances and group velocity modulation. Brazilian Journal of Physics. https://doi.org/10.1007/s13538-025-01906-7

Getachew, S. (2025). Geometric and dielectric engineering of linear optical response in CdS@Ag core–shell quantum dots: A theoretical study of plasmonic enhancement and host effects. Applied Physics B. https://doi.org/10.1007/s00340-025-08578-w

Getachew, S. (2025). Geometric shape’s impact on core-shell nanocomposites’ optical properties. Journal of Computational Electronics. https://doi.org/10.1007/s10825-025-02388-1

Assist. Prof. Dr. Bhuvneshwer Suthar | Best Researcher Award

Assist. Prof. Dr. Bhuvneshwer Suthar | Best Researcher Award

Government Dungar College, Bikaner | India

Dr. Bhuvneshwer Suthar is a distinguished physicist known for his impactful contributions to photonic crystals, optical sensors, photonic switching technologies, and advanced metamaterial-based devices. With an impressive research record comprising 110 documents, an h-index of 29, and more than 1,713 citations, he has established a strong scholarly presence in computational photonics and optical engineering. He holds advanced academic qualifications in physics and has accumulated extensive teaching and research experience as an active academic and scientist. His research interests span one-dimensional and two-dimensional photonic crystals, optical filters, biosensing mechanisms, temperature sensors, terahertz photonics, and waveguide-integrated photonic devices. Dr. Suthar’s work has led to notable advancements in ultra-compact optical components, defect-mode engineering, and high-sensitivity biosensors for biomedical and environmental applications. He has collaborated widely and contributed to several international conferences and editorial activities within the photonics community. His achievements include recognition for high-quality research outputs and influential publications that continue to support innovations in photonic device design. In conclusion, Dr. Suthar stands as a highly productive researcher whose scientific contributions significantly advance modern photonic technologies and inspire continued progress in optical sensing and photonic crystal engineering.

Profiles : Google ScholarScopus

Featured Publications

Ankita, & Suthar, B., & Bhargava, A. (2021). Biosensor application of one-dimensional photonic crystal for malaria diagnosis. Plasmonics, 16(1), 59–63.

Kumar, N., & Suthar, B. (2019). Advances in photonic crystals and devices. CRC Press.

Radhouene, M., Chhipa, M. K., Najjar, M., Robinson, S., & Suthar, B. (2017). Novel design of ring resonator based temperature sensor using photonics technology. Photonic Sensors, 7(4), 311–316.

Gharsallah, Z., Najjar, M., Suthar, B., & Janyani, V. (2018). High sensitivity and ultra-compact optical biosensor for detection of urea concentration. Optical and Quantum Electronics, 50(6), 249.

Suthar, B., & Bhargava, A. (2021). Pressure sensor based on quantum well-structured photonic crystal. Silicon, 13(6), 1765–1768.