Modeling of the effects of thermal gradients on optical propagation in polymer multimode tapered waveguides in optical backplanes

Atef M. Rashed; David R. Selviah

doi:10.1117/12.567127

16 November 2004 Modeling of the effects of thermal gradients on optical propagation in polymer multimode tapered waveguides in optical backplanes

Atef M. Rashed, David R. Selviah

Author Affiliations +

Proceedings Volume 5579, Photonics North 2004: Photonic Applications in Telecommunications, Sensors, Software, and Lasers; (2004) https://doi.org/10.1117/12.567127
Event: Photonics North, 2004, Ottawa, Ontario, Canada

Abstract

Finite difference beam propagation modelling (FD-BPM) calculates the effect of thermal gradients in an optical backplane on the optical field propagation in a polymer multimode linearly tapered waveguide. Compared to straight waveguides, tapered entrances offer improved power coupling for a wide range of optical source lateral offset misalignments. However, surface temperature gradients of 0.5°C/μm across the taper were found to degrade this benefit due to the thermo-optic effect of the polymer. Higher surface temperature gradients improve power coupling in two discrete ranges of lateral source offset but the original tolerance to a wide range of source offsets is not recovered.

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Atef M. Rashed and David R. Selviah "Modeling of the effects of thermal gradients on optical propagation in polymer multimode tapered waveguides in optical backplanes", Proc. SPIE 5579, Photonics North 2004: Photonic Applications in Telecommunications, Sensors, Software, and Lasers, (16 November 2004); https://doi.org/10.1117/12.567127

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