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- Istituto di Fotonica e NanotecnologieIT97 papers
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5 papers · 2 filters
Non-Hermitian bidirectional robust transport
Stefano Longhi
Transport of quantum or classical waves in open systems is known to be strongly affected by non-Hermitian terms that arise from an effective description of system-enviroment intera…
Localization, quantum resonances and ratchet acceleration in a periodically-kicked -symmetric quantum rotator
Stefano Longhi
We consider wave transport phenomena in a -symmetric extension of the periodically-kicked quantum rotator model and reveal that dynamical localization assists the unb…
Robust unidirectional transport in a one-dimensional metacrystal with long-range hopping
Stefano Longhi
In two- and three-dimensional structures, topologically-protected chiral edge modes offer a powerful mean to realize robust light transport. However, little attention has been paid…
A quantum entropy source on an InP photonic integrated circuit for random number generation
Carlos Abellan, Waldimar Amaya, David Domenech +5
Random number generators are essential to ensure performance in information technologies, including cryptography, stochastic simulations and massive data processing. The quality of…
PT-symmetric quantum oscillator in an optical cavity
Stefano Longhi
The quantum harmonic oscillator with parity-time () symmetry, obtained from the ordinary (Hermitian) quantum harmonic oscillator by an imaginary displacement of the s…