3 papers
physics.optics2026
Photonic Temporal Illusion
Grigorii Ptitcyn, Diego M. Solís, M. S. Mirmoosa +1
Materials with unusual optical properties are central to advanced control of light. Yet, in nature, such materials may be exceedingly rare and often difficult to obtain. To overcom…
physics.optics2025
Temporal Interface in Dispersive Hyperbolic Media
Grigorii Ptitcyn, Diego Martinez Solís, Mohammad Sajjad Mirmoosa +1
Spatial inhomogeneity, temporal modulation, and engineered anisotropy of parameters of electromagnetic media offer numerous opportunities for manipulating light-matter interaction…
physics.app-ph2024
Kapitza-Inspired Stabilization of Non-Foster Circuits via Time Modulations
Antonio Alex-Amor, Grigorii Ptitcyn, Nader Engheta
With his formal analysis in 1951, the physicist Pyotr Kapitza demonstrated that an inverted pendulum with an externally vibrating base can be stable in its upper position, thus ove…