Numerical simulation methods based on modal theory are not suitable for wide waveguides where the number of guided modes increases greatly. A simple ray tracing method for treating this situations is proposed, and its results are validated with experiment
Links
[1] http://gtq.imb-cnm.csic.es/ca/equipo/carlos-dominguez-horna
[2] http://dx.doi.org/10.1109/LPT.2004.823712