Athermal and low loss ridge silicon waveguides

Milan M. Milošević; Goran Z. Mashanovich; Frederic Y. Gardes; Youfang Hu; Andrew P. Knights; N. Garry Tarr; Graham T. Reed

doi:10.1117/12.840856

16 February 2010 Athermal and low loss ridge silicon waveguides

Milan M. Milošević, Goran Z. Mashanovich, Frederic Y. Gardes, Youfang Hu, Andrew P. Knights, N. Garry Tarr, Graham T. Reed

Author Affiliations +

Proceedings Volume 7606, Silicon Photonics V; 76061A (2010) https://doi.org/10.1117/12.840856
Event: SPIE OPTO, 2010, San Francisco, California, United States

Abstract

In this paper, we investigate athermal and low propagation loss silicon-on-insulator (SOI) rib waveguides. Propagation losses have been modeled for different dimensions of ridge waveguides achieving good agreement with experimental measurements. At certain waveguide widths, it is possible to obtain low propagation losses for both TE (transverse electric) and TM (transverse magnetic) modes. Racetrack ring resonator structures based on ridge waveguides covered by a polymer have been fabricated, aiming for an athermal design and therefore, a very small temperature dependent wavelength shift. Design guidelines for temperature insensitive and small propagation loss ridge waveguides are presented in this paper together with experimental data.

Citation Download Citation

Milan M. Milošević, Goran Z. Mashanovich, Frederic Y. Gardes, Youfang Hu, Andrew P. Knights, N. Garry Tarr, and Graham T. Reed "Athermal and low loss ridge silicon waveguides", Proc. SPIE 7606, Silicon Photonics V, 76061A (16 February 2010); https://doi.org/10.1117/12.840856

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