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 …

How near-field photon momentum drives unusual optical phenomena: opinion

SS Kharintsev, EI Battalova, V Mkhitaryan… - Optical Materials …, 2024‏ - opg.optica.org
This Opinion article discusses the fundamental role of the near-field photon momentum in
processes of light scattering from nanometer-sized clusters including an intriguing case of …

Temporal transfer matrix method for Lorentzian dispersive time-varying media

F Feng, N Wang, GP Wang - Applied Physics Letters, 2024‏ - pubs.aip.org
Incorporating dispersion into time-varying media not only holds practical significance but
also profoundly transforms the electromagnetic characteristics of such dynamic media. In …

Nonuniform Wave Momentum Band Gap in Biaxial Anisotropic Photonic Time Crystals

J Dong, S Zhang, H He, H Li, J Xu - Physical Review Letters, 2025‏ - APS
Photonic time crystals (PTCs) host momentum band gaps, enabling intriguing nonresonant
light amplification in propagating waves, but opening substantial band gaps demands …

Inverse design of topological photonic time crystals via deep learning

Y Long, L Zou, L Yu, H Hu, J **ong… - Optical Materials …, 2024‏ - opg.optica.org
Photonic time crystals are a new kind of photonic system in modern optical physics, leading
to devices with new properties in time. However, so far, it is still a challenge to design …

Electron scattering at a potential temporal step discontinuity

F Ok, A Bahrami, C Caloz - Scientific Reports, 2024‏ - nature.com
We solve the problem of electron scattering at a potential temporal step discontinuity. For
this purpose, instead of the Schrödinger equation, we use the Dirac equation, for access to …

Faraday rotation in nonreciprocal photonic time-crystals

H He, S Zhang, J Qi, F Bo, H Li - Applied Physics Letters, 2023‏ - pubs.aip.org
Faraday rotation is one of the most classical ways to realize nonreciprocal photonic devices
like optical isolators. Recently, the temporal analog of Faraday rotation, achieved through …

Temporally-topological defect modes in photonic time crystals

M Lin, S Ahmed, M Jamil, Z Liang, Q Wang… - Optics …, 2024‏ - opg.optica.org
In this paper, we investigate the properties of temporally-topological defect modes
(TTDMs)(or temporally-topological interface states) in the topological photonic time crystal …

Generalized coherent wave control at dynamic interfaces

Y Yu, D Gao, Y Yang, L Liu, Z Li, Q Yang… - Laser & Photonics …, 2024‏ - Wiley Online Library
Coherent wave control is of key importance across a broad range of fields such as
electromagnetics, photonics, and acoustics. It enables us to amplify or suppress the …