Thermal Effects on Propagation in Polymer Waveguides in Optical Interconnects. | ||||
| MEJ- Mansoura Engineering Journal | ||||
| Article 7, Volume 31, Issue 4, December 2006, Page 25-35 PDF (1.15 MB) | ||||
| Document Type: Research Studies | ||||
| DOI: 10.21608/bfemu.2021.198704 | ||||
 View on SCiNiTO | ||||
| Author | ||||
| Atef M. Rashed* | ||||
| Department of Electrical Engineering., Aston University., 27 Fieldhead Road., Birmingham B11 3PS., United Kingdom | ||||
| 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 multi mode linearly tapered waveguide. Compared to straight waveguides, tapered entrances offer improved power coupling for a wide range of optical source lateral offsets. 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. However, higher surface temperature gradients improve power coupling in two discrete ranges of lateral source offset. | ||||
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