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  Generation of lattice structures of optical vortices

Dreischuh, A., Chervenkov, S., Neshev, D., Paulus, G. G., & Walther, H. (2002). Generation of lattice structures of optical vortices. Journal of the Optical Society of America B-Optical Physics, 19(3), 550-556. Retrieved from http://www.opticsinfobase.org/abstract.cfm?id=68274.

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 Creators:
Dreischuh, Alexander1, Author              
Chervenkov, Sotir2, Author              
Neshev, Dragomir, Author
Paulus, Gerhard G.3, 4, Author              
Walther, Herbert1, Author              
Affiliations:
1Laser Physics, Max Planck Institute of Quantum Optics, Max Planck Society, ou_1445566              
2Quantum Dynamics, Max Planck Institute of Quantum Optics, Max Planck Society, ou_1445569              
3Laser Spectroscopy, Max Planck Institute of Quantum Optics, Max Planck Society, ou_1445568              
4Laboratory for Attosecond Physics, Max Planck Institute of Quantum Optics, Max Planck Society, ou_1445564              

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 Abstract: We demonstrate experimentally the generation of square and hexagonal lattices of optical vortices and reveal their propagation in a saturable nonlinear medium. If the topological charges of the vortices have identical signs, the lattice exhibits rotation, whereas if their signs alternate between being the same and being opposite to each other, we observe stable propagation of the structures. In the nonlinear medium the lattices induce periodic modulation of the refractive index. Diffraction of a probe beam by this nonlinearity-induced periodic structure is observed. (C) 2002 Optical Society of America.

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Language(s): eng - English
 Dates: 2002-03
 Publication Status: Published in print
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 Table of Contents: -
 Rev. Type: Peer
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Title: Journal of the Optical Society of America B-Optical Physics
  Alternative Title : J. Opt. Soc. Am. B-Opt. Phys.
Source Genre: Journal
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Pages: - Volume / Issue: 19 (3) Sequence Number: - Start / End Page: 550 - 556 Identifier: ISSN: 0740-3224