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11 papers · 2 filters
Zitterbewegung of optical pulses in nonlinear frequency conversion
Stefano Longhi
Pulse walk-off in the process of sum frequency generation in a nonlinear crystal is shown to be responsible for pulse jittering which is reminiscent to the Zitterbewegung…
Photonic realization of the relativistic Dirac oscillator
Stefano Longhi
A photonic realization of the Dirac oscillator (DO), i.e. of the relativistic extension of the quantum harmonic oscillator, is proposed for light propagation in fiber Bragg grating…
Klein tunneling of light in fiber Bragg gratings
Stefano Longhi
A photonic analogue of Klein tunneling (KT), i.e. of the exotic property of relativistic electrons to pass a large repulsive and sharp potential step, is proposed for pulse propaga…
Geometric potential and transport in photonic topological crystals
Alexander Szameit, Felix Dreisow, Matthias Heinrich +4
We report on the experimental realization of an optical analogue of a quantum geometric potential for light wave packets constrained on thin dielectric guiding layers fabricated in…
Atomically flat single-crystalline gold nanostructures for plasmonic nanocircuitry
Jer-Shing Huang, Victor Callegari, Peter Geisler +12
Deep subwavelength integration of high-definition plasmonic nanostructures is of key importance for the development of future optical nanocircuitry for high-speed communication, qu…
Mode imaging and selection in strongly coupled nanoantennas
Jer-Shing Huang, Johannes Kern, Peter Geisler +5
The number of eigenmodes in plasmonic nanostructures increases with complexity due to mode hybridization, raising the need for efficient mode characterization and selection. Here w…