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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 9 — May. 1, 2014
  • pp: 2802–2805

Modal symmetries at the nanoscale: a route toward a complete vectorial near-field mapping

Boris le Feber, Nir Rotenberg, Dries van Oosten, and L. Kuipers  »View Author Affiliations


Optics Letters, Vol. 39, Issue 9, pp. 2802-2805 (2014)
http://dx.doi.org/10.1364/OL.39.002802


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Abstract

We use symmetry considerations to understand and unravel near-field measurements, ultimately showing that we can spatially map three distinct fields using only two detectors. As an example, we create 2D field maps of the out-of-plane magnetic field and two in-plane fields for a silicon ridge waveguide. Furthermore, we are able to identify and remove polarization mixing of less than 1 / 30 of our experimental signals. Since symmetries are prevalent in nanophotonic structures and their near-fields, our method can have an impact on many future near-field measurements.

© 2014 Optical Society of America

OCIS Codes
(230.7370) Optical devices : Waveguides
(350.4238) Other areas of optics : Nanophotonics and photonic crystals
(180.4243) Microscopy : Near-field microscopy

ToC Category:
Optical Devices

History
Original Manuscript: February 26, 2014
Revised Manuscript: March 26, 2014
Manuscript Accepted: March 26, 2014
Published: April 30, 2014

Citation
Boris le Feber, Nir Rotenberg, Dries van Oosten, and L. Kuipers, "Modal symmetries at the nanoscale: a route toward a complete vectorial near-field mapping," Opt. Lett. 39, 2802-2805 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-9-2802

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