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8 papers · 2 filters
Hybrid optical sensor for combined thermal and dimensional monitoring in laser processing
Simone Donadello
Optical measurements enable non-contact and high-speed monitoring of physical processes, offering a non-invasive and versatile approach across a wide range of fields, from scientif…
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…
Robust Anderson transition in non-Hermitian photonic quasicrystals
Stefano Longhi
Anderson localization, i.e. the suppression of diffusion in lattices with random or incommensurate disorder, is a fragile interference phenomenon which is spoiled out in the presen…
Incoherent non-Hermitian skin effect in photonic quantum walks
Stefano Longhi
The non-Hermitian skin effect describes the concentration of an extensive number of eigenstates near the boundaries of certain dissipative systems. This phenomenon has raised a hug…