Realistic two-dimensional models for planar photonic crystal devices

Katharina Rauscher; Jan-Robert van Look; Rik Harbers; Daniel Erni; Patric Strasser; Robert Wueest; Franck Robin; Werner Baechtold

doi:10.1117/12.570185

25 October 2004 Realistic two-dimensional models for planar photonic crystal devices

Katharina Rauscher, Jan-Robert van Look, Rik Harbers, Daniel Erni, Patric Strasser, Robert Wueest, Franck Robin, Werner Baechtold

Author Affiliations +

Proceedings Volume 5597, Nanophotonics for Communication: Materials and Devices; (2004) https://doi.org/10.1117/12.570185
Event: Optics East, 2004, Philadelphia, Pennsylvania, United States

Abstract

We have studied tapers that couple light from a conventional ridge waveguide into a planar photonic crystal (PhC) waveguide. Tapering is achieved by changing the PhC waveguide width either in steps or gradually. Lag effects in fabrication provide an additional tapering due to the fact that the hole depths scale with the corresponding hole diameter. Our analysis deals with the out-of-plane loss that arises within such taper sections. The PhC consists of a triangular lattice of air holes introduced into an InGaAsP/InP slab structure. For conceptual studies we use the 2D multiple multipole method (MMP) in conjunction with an extended phenomenological model. This model covers the out-of-plane scattering providing a loss parameter and an effective index correction for the holes under consideration. This realistic 2D model is retrieved from full-wave 3D FDTD simulations and measurements.

Citation Download Citation

Katharina Rauscher, Jan-Robert van Look, Rik Harbers, Daniel Erni, Patric Strasser, Robert Wueest, Franck Robin, and Werner Baechtold "Realistic two-dimensional models for planar photonic crystal devices", Proc. SPIE 5597, Nanophotonics for Communication: Materials and Devices, (25 October 2004); https://doi.org/10.1117/12.570185

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