Title :
Scattering loss from rough sidewalls in semiconductor rib waveguides
Author :
Stern, M.S. ; Kendall, P.C. ; Hewson-Browne, R.C. ; Robson, P.N. ; Quinney, D.A.
Author_Institution :
Sheffield Univ., UK
Abstract :
A new scattering formula is applied to the slab loaded rib waveguide. Rib corrugations of up to 50 nm in amplitude lead to losses of the order of a few dB/cm, with trends which agree with experiment.
Keywords :
integrated optoelectronics; light scattering; optical losses; optical waveguides; semiconductor devices; corrugations; optoelectronic devices; rough sidewalls; scattering loss; semiconductor rib waveguides; slab loaded rib waveguide;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19890825