Mapping the broadband polarization properties of linear 2D SOI photonic crystal waveguides

Publication: Research - peer-reviewJournal article – Annual report year: 2007

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Both quasi-TE and TM polarisation spectra for a silicon- on-insulator (SOI) waveguide are recorded over (1100-1700) nm using a broadband supercontinuum source. By studying both the input and output polarisation eigenstates we observe narrowband resonant cross coupling near the lowest quasi-TE mode cut-off. We also observe relatively broadband mixing between the two eigenstates to generate a complete photonic bandgap. By careful analysis of the output polarisation state we report on an inherent non-reciprocity between quasi TE and TM fundamental mode cross coupling. The nature of polarisation distinction in such bandgap structures is discussed in the context of polarisation scattering at an interface. (c) 2007 Optical Society of America.
Original languageEnglish
JournalOptics Express
Publication date2007
Volume15
Issue23
Pages15603-15614
ISSN1094-4087
DOIs
StatePublished
CitationsWeb of Science® Times Cited: 5
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