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33 papers · 1 filter
Non-Hermitian Anomalous Scaling Engineering
Shulin Wang, Jiawei He, Zhiyuan Yang +2
Non-Hermitian systems exhibit anomalous scaling, a striking departure from conventional bulk laws, rooted in the non-Hermitian skin effect (NHSE). Here, we experimentally uncover t…
Temporal pattern generation with tunable repetition rate using semiconductor laser periodic dynamics
Apostolos Argyris
In this work, a long-cavity semiconductor laser subject to optical feedback is exploited to generate repetitive temporal patterns with enhanced intra-pattern sample diversity. Stab…
Lifshitz tail states in non-Hermitian disordered photonic lattices
Stefano Longhi
In lattices with uncorrelated on-site potential disorder, Anderson localization near the band edges can exhibit anomalously weak localization in the form of Lifshitz tail states. T…
Nonlinear Non-Hermitian Skin Effect and Skin Solitons in Temporal Photonic Feedforward Lattices
Shulin Wang, Bing Wang, Chenyu Liu +5
Here we report the experimental demonstration of the nonlinear non-Hermitian skin effect (NHSE) in an effective Kerr nonlinear temporal photonic lattice, where the high-power requi…
Photonic Mpemba effect
Stefano Longhi
The Mpemba effect is the counterintuitive phenomenon in statistical physics for which a far-from-equilibrium state can relax toward equilibrium faster than a state closer to equili…
Non-Hermitian dynamical topological winding in photonic mesh lattices
Stefano Longhi
Topological winding in non-Hermitian systems are generally associated to the Bloch band properties of lattice Hamiltonians. However, in certain non-Hermitian models topological win…