Metal-oxide-semiconductor rib waveguides are low loss for any polarization and are efficiently electrooptically modulated. We show COBRA switching of 90% with 15 V and a 2 × 4 switch matrix. These suggest versatile applications in integrated optical circuits.
© 1978 Optical Society of America
J. C. Shelton, F. R. Reinhart, and R. A. Logan, "Single-mode GaAs-AlxGa1-xAs rib waveguide switches," Appl. Opt. 17, 890-891 (1978)