Observation of vortices and field correlations in the near-field speckle of a three-dimensional photonic crystal
Optics Letters, Vol. 35, Issue 12, pp. 2001-2003 (2010)
http://dx.doi.org/10.1364/OL.35.002001
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Abstract
We present a phase-sensitive near-field study of speckle fields from photonic crystals in the presence of disorder. We observe phase singularities (vortices) and analyze their statistical properties and screening effects. The experimental results show a clear polarization dependence, not only in their morphological parameters but also in their spatial distribution.
© 2010 Optical Society of America
OCIS Codes
(180.4243) Microscopy : Near-field microscopy
(160.5298) Materials : Photonic crystals
(260.6042) Physical optics : Singular optics
ToC Category:
Materials
History
Original Manuscript: February 22, 2010
Revised Manuscript: April 20, 2010
Manuscript Accepted: May 16, 2010
Published: June 8, 2010
Citation
Silvia Vignolini, Matteo Burresi, Stefano Gottardo, L. Kuipers, and Diederik S. Wiersma, "Observation of vortices and field correlations in the near-field speckle of a three-dimensional photonic crystal," Opt. Lett. 35, 2001-2003 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-12-2001
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