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

John Canning | Zendy; Nina Skivesen | Zendy; Martin Kristensen | Zendy; Lars H. Frandsen | Zendy; Andrei V. Lavrinenko | Zendy; Cícero Martelli | Zendy; Amélie Têtu | Zendy

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

Author(s) -

John Canning,

Nina Skivesen,

Martin Kristensen,

Lars H. Frandsen,

Andrei V. Lavrinenko,

Cícero Martelli,

Amélie Têtu

Publication year - 2007

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.15.015603

Subject(s) - supercontinuum , silicon on insulator , optics , photonic crystal , broadband , physics , narrowband , polarization (electrochemistry) , photonics , optoelectronics , scattering , materials science , silicon , photonic crystal fiber , optical fiber , chemistry

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.

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