Stability of polarization singularities in disordered photonic crystal waveguides

Ben Lang, Daryl M Beggs, Andrew B Young, John Rarity, Ruth Oulton

Research output: Contribution to journalArticle (Academic Journal)peer-review

8 Citations (Scopus)
370 Downloads (Pure)

Abstract

The effects of short-range disorder on the polarization characteristics of light in photonic crystal waveguides were investigated using finite-difference time-domain simulations with a view to investigating the stability of polarization singularities. It was found that points of local circular polarization (C points) and contours of linear polarization (L lines) continued to appear even in the presence of high levels of disorder, and that they remained close to their positions in the ordered crystal. These results are a promising indication that devices exploiting polarization in these structures are viable given current fabrication standards.
Original languageEnglish
Article number063819
Number of pages6
JournalPhysical Review A: Atomic, Molecular and Optical Physics
Volume92
DOIs
Publication statusPublished - 11 Dec 2015

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