Single-mode criterion for rib waveguides with small cross sections

Paul Müllner; Rainer Hainberger

doi:10.1117/12.646373

28 February 2006 Single-mode criterion for rib waveguides with small cross sections

Paul Müllner, Rainer Hainberger

Proceedings Volume 6115, Physics and Simulation of Optoelectronic Devices XIV; 61152E (2006) https://doi.org/10.1117/12.646373
Event: Integrated Optoelectronic Devices 2006, 2006, San Jose, California, United States

Abstract

We modify the Soref single-mode criterion such that it can be applied also to waveguides with small cross sections. This is verified for highly sensitive silicon on insulator (SOI) rib waveguides with core thicknesses of 60 nm for TE- and 220 nm for TM-polarization, respectively, at a wavelength of 1550 nm by a fully vectorial finite element method (FEM) eigenmode analysis. The semi-analytical criterion enables an efficient design of rib waveguides for evanescent wave sensing devices.

Citation Download Citation

Paul Müllner and Rainer Hainberger "Single-mode criterion for rib waveguides with small cross sections", Proc. SPIE 6115, Physics and Simulation of Optoelectronic Devices XIV, 61152E (28 February 2006); https://doi.org/10.1117/12.646373

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