Direct Computation of Higher Order Propagation Modes Using the Imaginary-Distance BPM (2008)
Michael M. Spühler, Dorothea Wiesmann, Pascal Freuler, Martin Diergardt
Several methods exist to determine the eigenmodes of dielectric waveguides. Semi-analytical methods lead to quick and intuitive results for simple structures. For more complicated waveguide...
A Very Short Planar Silica Spot-Size Converter Using a Nonperiodic Segmented Waveguide (1998)
Michael M. Spühler, Student Member, Student Member, Bert J. Offrein, Gian-luca Bona, Ilana Massarek, ...
Abstract—To reduce the coupling loss of a fiber-to-ridge waveguide connection, a planar silica spot-size converter for a wavelength of 1.55 "m is implemented in the form of a nonperiodic...