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physics.optics2024
Synthesis and characterization of space-time light sheets: A tutorial
Miguel A. Romer, Layton A. Hall, Ayman F. Abouraddy
Space-time wave packets (STWPs) are a new class of pulsed optical beams with many unique and intriguing attributes, including propagation invariance and tunable group velocity in l…
physics.optics2024
Abrupt X-to-O-wave structural field transition in presence of anomalous dispersion
Layton A. Hall, Ayman F. Abouraddy
All linear, propagation-invariant, paraxial pulsed beams are spatiotemporally X-shaped (conical waves) in absence of group-velocity dispersion (GVD), or in presence of normal GVD.…