74 citations · 365 across the 33 of their papers we have counts for
16 papers · 1 filter
Meshfree versus grid-based Schrödinger solvers for modeling the interactions between free-electron wave packets and light
Mitja Funk, Sebastian Merk, Caroline Lasser +2
The interaction of free-electron wave packets with electromagnetic fields provides a powerful route toward coherent electron control, enabling the generation of energy combs, momen…
Stimulated interactions of low-energy free-electrons with light
Fatemeh Chahshouri, Sven Ebel, Mitja Funk +1
Free-electron interactions with light and matter have long served as a cornerstone for exploring the quantum and ultrafast dynamics of material excitation. In recent years, this pa…
Ultrafast Plasmonic Rotors for Electron Beams
Fatemeh Chahshouri, Nahid Talebi
The interaction between free electrons and laser-induced near-fields provides a platform to study ultrafast processes and quantum phenomena while enabling precise manipulation of e…
A Multi-Dimensional Cathodoluminescence Detector with 3D Printed Micro-Optics on a Fiber
Paul H. Bittorf, Filip Majstorovic, Pavel Ruchka +2
Cathodoluminescence, i.e. the radiation caused by the interaction of high-energy electron beams with matter, has gained a major interest in the analysis of minerals, semiconductors…
Phase-matched electron-photon interactions enabled by 3D-printed helical waveguides
Masoud Taleb, Mohsen Samadi, Nahid Talebi
The Smith-Purcell effect enables electromagnetic radiation across arbitrary spectral ranges by phase-matching the diffraction orders of an optical grating with the near-field of a…
Sequential phase-locked optical gating of free electrons
Fatemeh Chahshouri, Nahid Talebi
Recent progress in coherent quantum interactions between free-electron pulses and laser-induced near-field light have revolutionized electron wavepacket shaping. Building on these…
Topological Plasmonic Ring Resonator
Fatemeh Davoodi, Nahid Talebi
Topological plasmonic provides a new insight for the manipulation of light. Analogous to exotic nature of topological edge states in topological photonics, topological plasmonic co…
Tailoring Near-Field-Mediated Photon Electron Interactions with Light Polarization
Fatemeh chahshouri, Nahid Talebi
Inelastic interaction of free-electrons with optical near fields has recently attracted attention for manipulating and shaping free-electron wavepackets. Understanding the nature a…
Spin-orbit interactions in noncentrosymmetric plasmonic crystals probed by site-selective cathodoluminescence spectroscopy
Masoud Taleb, Mohsen Samadi, Fatemeh Davoodi +5
The study of spin-orbit coupling (SOC) of light is crucial to explore the light-matter interactions in sub-wavelength nanostructures with broken symmetries. In noncentrosymmetric p…
Topological photonics by breaking the degeneracy of line node singularities in semimetal-like photonic crystals
Steffen Börm, Fatemeh Davoodi, Ralf Köhl +1
Degeneracy is an omnipresent phenomenon in various physical systems, which has its roots in the preservation of geometrical symmetry. In electronic and photonic crystal systems, ve…
Tailoring the band structure of plexcitonic crystals by strong coupling
Fatemeh Davoodi, Masoud Taleb, Florian K. Diekmann +3
Transition-metal dichalcogenides with their exciton-dominated optical behavior emerge as promising materials for realizing strong light-matter interactions in the visible range and…
Plasmon-exciton Interactions in Gold-WSe2 Multilayer structures
Fatemeh Davoodi, Nahid Talebi
Van der Waals materials such as thin films of transition-metal dichalcogenides (TMDCs) manifest strongly bound exciton states in the visible spectrum at ambient conditions that pro…
Strong interaction of slow electrons with near-field light visited from first principles
Nahid Talebi
Strong interaction between light and matter waves, such as electron beams in electron microscopes, has recently emerged as a new tool for understanding entanglement. Here, we syste…
Topological Hyperbolic and Dirac Plasmons
Nahid Talebi
In this chapter, criteria for existence of propagating optical modes which are transversely bound at the interface of two materials are studied. In particular, quite general cases…
Interaction of electron beams with optical nanostructures and metamaterials: From coherent photon sources towards shaping the wave function
Nahid Talebi
Investigating the interaction of electron beams with materials and light has been a field of research since more than a century. The field was advanced theoretically by the raise o…
Optical modes in slab waveguides with magnetoelectric effect
Nahid Talebi
Optical modes in anisotropic slab waveguides with topological and chiral magnetoelectric effects are investigated analytically, by deriving the closed-form characteristic equations…