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6 papers · 2 filters
Thermalization of light's orbital angular momentum in nonlinear multimode waveguide systems
Fan O. Wu, Qi Zhong, Huizhong Ren +3
We show that the orbital angular momentum (OAM) of a light field can be thermalized in a nonlinear cylindrical multimode optical waveguide. We find, that upon thermal equilibrium,…
Transforming space with non-Hermitian dielectrics
Ivor Krešić, Konstantinos G. Makris, Ulf Leonhardt +1
Coordinate transformations are a versatile tool to mould the flow of light, enabling a host of astonishing phenomena such as optical cloaking with metamaterials. Moving away from t…
Unravelling ultrashort laser excitation of nickel at 800 nm wavelength
T Genieys, M Petrakakis, G Tsibidis +2
The optical response of nickel is studied in a wide range of laser fluence, below and above the ablation threshold, by selfreflectivity measurements of ultrashort 800nm single lase…
Quantum-Optical Spectrometry in Relativistic Laser-Plasma Interactions Using the High-Harmonic Generation Process: A Proposal
Theocharis Lamprou, Rodrigo Lopez-Martens, Stefan Haessler +8
Quantum-optical spectrometry is a recently developed shot-to-shot photon correlation-based method, namely using a quantum spectrometer (QS), that has been used to reveal the quantu…
Tornado waves
Apostolos Brimis, Konstantinos G. Makris, Dimitris G. Papazoglou
We show that light spiraling like a tornado can be generated by superimposing abruptly auto-focusing ring-Airy beams that carry orbital angular momentum of opposite handedness. Wit…
Dynamics of self-accelerating electron beams in a homogeneous magnetic field
Michael Goutsoulas, Nikolaos K. Efremidis
We examine the dynamics of electron beams that, in free space, are self-accelerating, in the presence of an additional magnetic field. We focus our attention in the case of Airy be…