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8 papers · 2 filters
Fundamentals of optical non-reciprocity based on optomechanical coupling
Mohammad-Ali Miri, Freek Ruesink, Ewold Verhagen +1
Optical isolation, non-reciprocal phase transmission and topological phases for light based on synthetic gauge fields have been raising significant interest in the recent literatur…
Magnetic Purcell effect in nanophotonics
Denis G. Baranov, Roman S. Savelev, Sergey V. Li +2
Tailoring of electromagnetic spontaneous emission predicted by E. M. Purcell more than 50 years ago has undoubtedly proven to be one of the most important effects in the rich areas…
Nonreciprocity and magnetic-free isolation based on optomechanical interactions
Freek Ruesink, Mohammad-Ali Miri, Andrea Alù +1
Photonic nonreciprocal components, such as isolators and circulators, provide highly desirable functionalities for optical circuitry. This motivates the active investigation of mec…
Interplay of magnetic responses in all-dielectric oligomers to realize magnetic Fano resonances
Ben Hopkins, Dmitry S. Filonov, Andrey E. Miroshnichenko +3
We study the interplay between collective and individual optically-induced magnetic responses in quadrumers made of identical dielectric nanoparticles. Unlike their plasmonic count…
Tuning of Near- and Far-Field Properties of All-dielectric Dimer Nanoantennas via Ultrafast Electron-Hole Plasma Photoexcitation
Denis G. Baranov, Sergey V. Makarov, Alexander E. Krasnok +2
Achievement of all-optical ultrafast signal modulation and routing by a low-loss nanodevice is a crucial step towards an ultracompact optical chip with high performance. Here, we p…
Tunable scattering cancellation cloak with plasmonic ellipsoids in the visible
Martin Fruhnert, Alessio Monti, Ivan Fernandez-Corbaton +4
The scattering cancellation technique is a powerful tool to reduce the scattered field from electrically small objects in a specific frequency window. The technique relies on cover…
Scattering properties of PT-symmetric objects
Mohammad-Ali Miri, Mohammad Amin Eftekhar, Margarida Facao +6
We investigate the scattering response of parity-time (PT) symmetric structures. We show that, due to the local flow of energy between gain and loss regions, such systems can defle…
Theory of diffusive light scattering cancellation cloaking
Mohamed Farhat, Pai-Yen Chen, Sebastien Guenneau +3
We report on a new concept of cloaking objects in diffusive light regime using the paradigm of the scattering cancellation and mantle cloaking techniques. We show numerically that…