4 April 1997 Design of an electro-optic directional coupler with four sections poled in four perpendicular directions
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Abstract
Directional couplers with four sections poled in four perpendicular directions are proposed for the first time as a new electro-optic switch configuration in which complete conversion of both TE and TM light from one waveguide to the other can be achieved simultaneously by a low driving voltage adjustment. The perpendicularly poled sections of the switch make the device completely polarization- independent, and the inversely poled sections offer an extremely relaxed fabrication tolerance for the device. This configuration of each section poled in a different direction also makes it possible to drive the electro-optic coupler with a uniform electrode, which ensures high-speed operation of the device. Both the switching characteristics and the fabrication tolerance are simulated.
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ZuZhou Yue, ZuZhou Yue, Guohua Cao, Guohua Cao, John Martin Taboada, John Martin Taboada, Jeffery J. Maki, Jeffery J. Maki, Suning Tang, Suning Tang, Ray T. Chen, Ray T. Chen, } "Design of an electro-optic directional coupler with four sections poled in four perpendicular directions", Proc. SPIE 3005, Optoelectronic Interconnects and Packaging IV, (4 April 1997); doi: 10.1117/12.271085; https://doi.org/10.1117/12.271085
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