Fully vectorial accelerating diffraction-free Helmholtz beams

Parinaz Aleahmad, Mohammad Ali Miri, Matthew S. Mills, Ido Kaminer, Moti Segev, Demetrios N. Christodoulides

Research output: Contribution to journalArticlepeer-review


We show that new families of diffraction-free nonparaxial accelerating optical beams can be generated by considering the symmetries of the underlying vectorial Helmholtz equation. Both two-dimensional transverse electric and magnetic accelerating wave fronts are possible, capable of moving along elliptic trajectories. Experimental results corroborate these predictions when these waves are launched from either the major or minor axis of the ellipse. In addition, three-dimensional spherical nondiffracting field configurations are presented along with their evolution dynamics. Finally, fully vectorial self-similar accelerating optical wave solutions are obtained via oblate-prolate spheroidal wave functions. In all occasions, these effects are illustrated via pertinent examples.

Original languageEnglish
Article number203902
JournalPhysical Review Letters
Issue number20
StatePublished - 15 Nov 2012

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy


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