Theory and applications of photonic time crystals: a tutorial

MM Asgari, P Garg, X Wang, MS Mirmoosa… - Advances in Optics …, 2024 - opg.optica.org
This tutorial offers a comprehensive overview of photonic time crystals: artificial materials
whose electromagnetic properties are periodically modulated in time at scales comparable …

Photonic time crystals: Theory and applications

MM Asgari, P Garg, X Wang, MS Mirmoosa… - arxiv preprint arxiv …, 2024 - arxiv.org
This tutorial offers a comprehensive overview of photonic time crystals-artificial materials
whose electromagnetic properties are periodically modulated in time at scales comparable …

[HTML][HTML] Below the surface: Unraveling the intricacies of the nonlinear optical properties of aluminum through bound electrons

M Scalora, K Hallman, S Mukhopadhyay, S Pruett… - APL Photonics, 2024 - pubs.aip.org
By uncovering novel aspects of second harmonic generation in aluminum, we show that
there are unusual and remarkable consequences of resonant absorption, namely an …

Universal transient radiation dynamics by abrupt and soft temporal transitions in optical waveguides

A Shlivinski, Y Hadad - Nanophotonics, 2025 - degruyter.com
When an excited electromagnetically open optical waveguide goes through a temporal
transition of its material properties, it radiates to the ambient surroundings. In this paper, we …

Probing dynamics of time-varying media: Beyond abrupt temporal interfaces

A Nussupbekov, JF Zhu, Y Akimov, P Bai… - arxiv preprint arxiv …, 2025 - arxiv.org
This work investigates the effects of time-varying media, where optical properties change
over time, on electromagnetic wave propagation, focusing on plane waves and free-electron …

Second Harmonic Generation and Nonlinear Frequency Conversion in Photonic Time-Crystals

N Konforty, MI Cohen, O Segal, Y Plotnik… - arxiv preprint arxiv …, 2024 - arxiv.org
We study the nonlinear process of second harmonic generation in photonic time-crystals,
materials with refractive index that varies abruptly and periodically in time, and obtain the …

Time-varying Nonlinear Effects in Terahertz Generation

Y Lu, X Zhang, H Qiu, L Niu, X Chen, Q Xu… - arxiv preprint arxiv …, 2024 - arxiv.org
Time-varying effects have unveiled new possibilities for manipulating electromagnetic
waves through the temporal dimension. In this study, we experimentally explore these …

[PDF][PDF] Thursday, July 25TH Perspec ves and Next Genera on Metasurfaces

D Rossi, C Lesina, D Falco - metafun2024.unipa.it
The recent advent of tailorable photonic materials such as plasmonic ceramics including
transition metal nitrides (TMNs), MXenes, Weyl semimetals and transparent conducting …