Observation of Polarization Singularities at the Nanoscale

Year: 2009

Authors: Burresi M., Engelen R. J. P., Opheij A., Oosten D. van, Mori D., T. Baba T., Kuipers L.

Autors Affiliation: Center for Nanophotonics, FOM Institute for Atomic and Molecular Physics (AMOLF), Kruislaan 407, 1098 SJ Amsterdam, The Netherlands; Department of Electrical and Computer Engineering, Yokohama National 79-5 Tokiwadai, Hodogayaku, Yokohama 240-8501, Japan

Abstract: With a phase-sensitive near-field microscope we measure independently the two in-plane electric field components of light propagating through a 2D photonic crystal waveguide and the phase difference between them. Consequently, we are able to reconstruct the electric vector field distribution with subwavelength resolution. In the complex field distribution we observe both time-dependent and time-independent polarization singularities and determine the topology of the surrounding electric field.

Journal/Review: PHYSICAL REVIEW LETTERS

Volume: 102 (3)      Pages from: 033902  to: 033902

More Information: We wish to thank T. D. Visser helpful discussion. This work is part of the research program of the \”Stichting voor Fundamenteel Onderzoek der Materie (FOM),\” which is financially supported by the \”Nederlandse organisatie voor Wetenschappelijk Onderzoek (NWO).\” Support by the NWO (VICI grant) is gratefully acknowledged. This work is also supported by NanoNed, a nanotechnology program of the Dutch Ministry of Economic affairs.
DOI: 10.1103/PhysRevLett.102.033902

Citations: 140
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