Vasileios Lembessis | Light-Matter Interactions | Light-Matter Interaction Award

Professor Dr. Vasileios Lembessis | Light-Matter Interactions | Light-Matter Interaction Award

King Saud University | Saudi Arabia

Professor Dr. Vasileios Lembessis is a prominent theoretical physicist known for his contributions to quantum optics, cold atom physics, and the mechanical effects of light on matter. He earned his Ph.D. in Physics from Essex University, UK, under the supervision of Professors R. Loudon (FRS) and M. Babiker. He has held academic and research positions at several institutions, including the Technical University of Crete and currently serves as a Full Professor at King Saud University in the Department of Physics and Astronomy. His research focuses on laser cooling, atom trapping, structured light, optical vortices, and plasmonics, and he has published extensively in leading scientific journals. In addition to research, he is actively involved in teaching, postgraduate supervision, and science communication. He is a member of the Optical Society of America, the Institute of Physics, and the Hellenic Physical Society, and has served on the Evaluation Committee for the prestigious King Faisal Prize in Science.

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Featured Publications

  • Jaouadi, A., Lyras, A., & Lembessis, V. E. (2025). “Towards a twisted atom laser: Cold atoms released from helical optical tube potentials.” Photonics, 12(10).

  • Lembessis, V. E., Yuan, J., Köksal, K., & Babiker, M. (2025). “Time dilation effects in micron-size rotating optical Ferris-wheel traps.” Physical Review A.

  • Babiker, M., Koksal, K., Lembessis, V. E., & Yuan, J. (2024). “Intrinsic angular momentum, spin and helicity of higher-order Poincaré modes.” Journal of Optics, 26(11).

  • Lembessis, V. E., & Andrews, D. L. (2024). “Forces in the interaction of light with matter.” Applied Sciences, 14(16).

  • Alsaawi, N., Lembessis, V. E., Lyras, A., Babiker, M., & Yuan, J. (2024). “Helicity of magnetic fields associated with non-relativistic electron vortex beams.” Journal of Physics A: Mathematical and Theoretical.

  • Alsaawi, N., & Lembessis, V. E. (2024). “The helicity of magnetic fields associated with relativistic electron vortex beams.” Symmetry, 16(4).

  • Lembessis, V. E., Koksal, K., Babiker, M., & Yuan, J. (2024). “Miniature atom bottle traps enabled by chiral doughnut light.” Optics Express, 32(8).