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15 papers · 2 filters
The Vacuum Emission Picture Beyond Paraxial Approximation
Alexander Blinne, Holger Gies, Felix Karbstein +2
Optical signatures of the effective nonlinear couplings among electromagnetic fields in the quantum vacuum can be conveniently described in terms of stimulated photon emission proc…
Integration of atomically thin layers of transition metal dichalcogenides into high-Q, monolithic Bragg-cavities - an experimental platform for the enhancement of optical interaction in 2D-materials
Heiko Knopf, Nils Lundt, Tobias Bucher +8
We demonstrate a new approach to integrate single layer MoSeR2R and WSeR2R flakes into monolithic all-dielectric planar high-quality micro-cavities. These distributed-Bragg-reflect…
Sub-micrometer Nanostructure-based RGB Filters for CMOS Image Sensors
Jonas Berzinš, Stefan Fasold, Thomas Pertsch +2
Digital color imaging relies on spectral filters on top of a pixelated sensor, such as a CMOS image sensor. An important parameter of imaging devices is their resolution, which dep…
All-optical signatures of quantum vacuum nonlinearities in generic laser fields
Alexander Blinne, Holger Gies, Felix Karbstein +2
All-optical experiments at the high-intensity frontier offer a promising route to unprecedented precision tests of quantum electrodynamics in strong macroscopic electromagnetic fie…
Nonlinear localization of light using the Pancharatnam-Berry phase
C. P. Jisha, A. Alberucci, J. Beeckman +1
Since its introduction by Sir Michael Berry in 1984, geometric phase became of fundamental importance in physics, with applications ranging from solid state physics to optics. In o…
Better than a lens -- Increasing the signal-to-noise ratio through pupil splitting
Jan Becker, Takahiro Deguchi, Alexander Jügler +4
Lenses are designed to fulfill Fermats principle such that all light interferes constructively in its focus, guaranteeing its maximum concentration. It can be shown that imaging vi…