The dispersion of the waveguides that constitute microring resonators can considerably affect the dispersion characteristics of coupled-resonator optical waveguides (CROWs). We derive expressions for CROW dispersion and group delay for silicon-on-insulator microring CROWs, showing both theoretically and experimentally the band-to-band dependence of the bandwidth and group delay on the dispersion properties of the constituent single-mode silicon waveguide.
© 2010 Optical Society of America
Original Manuscript: June 15, 2010
Revised Manuscript: August 5, 2010
Manuscript Accepted: August 9, 2010
Published: September 3, 2010
Michael L. Cooper, Greeshma Gupta, Mark A. Schneider, William M. J. Green, Solomon Assefa, Fengnian Xia, Dawn K. Gifford, and Shayan Mookherjea, "Waveguide dispersion effects in silicon-on-insulator coupled-resonator optical waveguides," Opt. Lett. 35, 3030-3032 (2010)