Methods for modeling multimode waveguides with abrupt changes in propagation axis
Document Type
Conference Proceeding
Publication Date
12-27-2010
Abstract
Characterization and performance estimates for polymer, step-index, multi-mode, channel waveguides requires simulation of light propagation in models requiring large numbers of spatial samples using the method of finite-difference time-domain methods (FDTD). As noted in [1], full 3-D solutions for multi-mode waveguides with a cross-section of tens of microns are nontrivial. In many instances, designers are forced to use a ray-tracing model to characterize the channel. However, ray-tracing is not intended to characterize spectral and modal properties. Approximation of Helmholtz equation for slowly varying field in the propagation plane, termed beam propagation methods (BPM), has proved efficient for modeling optical waveguides [2-4]; however, these are primarily intended for modeling waveguides with slowly varying axes of propagation. © 2010 IEEE.
Publication Title
2010 IEEE Avionics, Fiber-Optics and Photonics Technology Conference, AVFOP 2010
Recommended Citation
Buller, W.,
Middlebrook, C.,
Riegel, N.,
&
Roggemann, M.
(2010).
Methods for modeling multimode waveguides with abrupt changes in propagation axis.
2010 IEEE Avionics, Fiber-Optics and Photonics Technology Conference, AVFOP 2010, 37-38.
http://doi.org/10.1109/AVFOP.2010.5637713
Retrieved from: https://digitalcommons.mtu.edu/michigantech-p/10339