Far-field pattern formation by manipulating the topological charges of square-shaped optical vortex lattices

Stoyanov L, Maleshkov G, Zhekova M, Stefanov IL, Neshev DN, Paulus GG, Dreischuh A (2018)

Publication Type: Journal article

Publication year: 2018

Journal

Journal of the Optical Society of America B-Optical Physics Optical Society of America

Book Volume: 35

Pages Range: 402-409

Journal Issue: 2

DOI: 10.1364/JOSAB.35.000402

Abstract

In this work, we demonstrate experimentally the formation of 10 different structures consisting of bright beams with flat phase fronts in the focus of a lens (i.e., in the artificial far field). The basic structure used is a large, stable, square-shaped optical vortex (OV) array composed of vortices with alternating topological charges (TCs). The TCs of one individual OV, of a subarray of OVs, or of the complete OV lattice were erased/doubled in the cases of perfect superposition (on-site alignment) or are manipulated in phase in the cases of an offset between the vortices (off-site alignment). A dramatic reshaping of the beam is observed in the far field and shown to be in excellent agreement with numerical simulations.

Involved external institutions

Friedrich-Schiller-Universität Jena

Germany (DE) Sofia University "St. Kliment Ohridski" / Софийски университет "Св. Климент Охридски"

Bulgaria (BG) Australian National University (ANU)

Australia (AU)

How to cite

APA:

Stoyanov, L., Maleshkov, G., Zhekova, M., Stefanov, I.L., Neshev, D.N., Paulus, G.G., & Dreischuh, A. (2018). Far-field pattern formation by manipulating the topological charges of square-shaped optical vortex lattices. Journal of the Optical Society of America B-Optical Physics, 35(2), 402-409. https://doi.org/10.1364/JOSAB.35.000402

MLA:

Stoyanov, Lyubomir, et al. "Far-field pattern formation by manipulating the topological charges of square-shaped optical vortex lattices." Journal of the Optical Society of America B-Optical Physics 35.2 (2018): 402-409.

BibTeX: Download