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Phase Retrieval of Vortices in Bose-Einstein Condensates
Ron Ziv, Anatoly Patsyk, Yaakov Lumer +3
We propose and demonstrate numerically a measurement scheme for complete reconstruction of the 2D quantum wave function of a Bose-Einstein condensate, amplitude and phase, from a t…
Superluminal k-gap solitons in nonlinear photonic time-crystals
Yiming Pan, Moshe-Ishay Cohen, Mordechai Segev
We propose superluminal solitons residing in the momentum gap (k-gap) of nonlinear photonic time-crystals. These gap solitons are structured as plane-waves in space while being per…
Three-dimensional photonic topological insulator induced by lattice dislocations
Eran Lustig, Lukas J. Maczewsky, Julius Beck +6
The hallmark of topological insulators is the scatter-free propagation of waves in topologically protected edge channels. This transport is strictly chiral on the outer edge of the…
Amplified Emission by Atoms and Lasing in Photonic Time Crystals
Mark Lyubarov, Yaakov Lumer, Alex Dikopoltsev +3
Photonic Time Crystals (PTCs) - dielectric media with their refractive index modulated periodically in time, offer new opportunities in photonics arising from time reflections and…