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Mr.Venugopal Raskatla

Project
Photonic time crystals

Short CV
Venugopal received his Bachelor’s Degree in Physics from Fergusson College (Autonomous) affiliated to Savitribai Phule Pune University, Pune, India in 2019. He completed his 3 years master’s degree, M.Sc. (Tech) in Engineering physics with Photonics specialization at the National Institute of Technology, Warangal, India in 2022. He completed his master’s thesis on “Speckle-based deep learning assisted free-space optical communication”. In September 2022, Venugopal started his Ph.D. at the Nanophotonics and Metamaterial group, Optoelectronics Research Center (ORC), University of Southampton.

Personal website

Selected Articles since 2022

  1. Continuous space-time crystal state driven by nonreciprocal optical forces
    V. Raskatla, T. Liu, J. Li, K. F. MacDonald, and N. I. Zheludev
    Phys. Rev. Lett. 133, 136202 (2024) doi: 10.1103/PhysRevLett.133.136202
  2. Breaking of time translation symmetry and ergodicity, and entropy decrease in a continuous time crystal driven by nonreciprocal optical forces
    T. Liu, V. Raskatla, J. Li, K. F. MacDonald and N. I. Zheludev
    arXiv doi: 10.48550/arXiv.2404.10525

Selected Conference Contributions since 2022

  1. (invited) Optical nonreciprocal forces, ergodicity and entropy in metamaterial time crystals
    N. I. Zheludev, V. Raskatla, T. Liu, J. Li, K. F. MacDonald
    18th International Congress on Artificial Materials for Novel Wave Phenomena (Metamaterials’2024), Crete, Greece, 9 – 14 Sept 2024
  2. (invited) Optical nonreciprocal forces, ergodicity and entropy of space-time crystals
    V. Raskatla, T. Liu, J. Li, K. F. MacDonald, and N. I. Zheludev
    SPIE Photonics Europe 2024, Strasbourg, France, 7 - 11 Apr 2024
  3. Continuous space-time crystal state driven by nonreciprocal optical forces
    V. Raskatla, T. Liu, K. F. MacDonald and N. I. Zheludev
    Nanometa 2024, Seefeld, Austria, 3 - 6 Jan 2024
  4. (breakthrough) Nonreciprocal phase transitions and time-space crystals
    K. F. MacDonald, T. Liu, V. Raskatla, J. Li, and N. I. Zheludev
    Nanometa 2024, Seefeld, Austria, 3 - 6 Jan 2024
  5. Global synchronization via non-reciprocal coupling: A route to photonic time crystals
    V. Raskatla, T. Liu, J. Y. Ou, K. F. MacDonald, and N. I. Zheludev
    17th International Congress on Artificial Materials for Novel Wave Phenomena (Metamaterials’2023), Platanias, Greece, 11–14 Sept 2023
    [3rd place Student Paper Competition]
  6. Photonic metamaterial continuous time crystal
    T. Liu, V. Raskatla, J. Y. Ou, K. F. MacDonald N. I. Zheludev
    Time Crystals, Krakow, Poland, 6 – 8 Sept, 2023
  7. (invited) Mechanisms of spontaneous synchronization in photonic metamaterial continuous time crystals
    T. Liu, V. Raskatla, J.Li, J. Y. Ou, K. F. MacDonald, and N. I. Zheludev
    SPIE Optics + Photonics, San Diego, CA, USA, 20 – 24 Aug 2023
  8. Optical parametric metamaterials – frequency mixing, frequency combs and control of brownian motion
    T. Liu, J. Li, V. Raskatla, J. Y. Ou, K. F. MacDonald, and N.I. Zheludev
    CLEO/Europe-EQEC 2023, Munich, Germany, 26 - 30 June 2023
  9. Metamaterial continuous time crystal - a new state of photonic matter
    T. Liu, V. Raskatla, J. Y. Ou, K. F. MacDonald, and N. I. Zheludev
    CLEO/Europe-EQEC 2023, Munich, Germany, 26 - 30 June 2023
  10. (invited) Photonic metamaterial continuous time crystal
    T. Liu, V. Raskatla, J. Y. Ou, K. F. MacDonald, and N. I. Zheludev
    International Conference on Antennas and Electromagnetic Systems 2023, Torremolinos, Spain, 3-6 June 2023