Abstract
We report on an experimental thermo-optical switch on silicon on insulator. By controlling a single combined phase shifter, light from any input waveguide can be directed to any output waveguide, showing a simple control method and highly integrated structure as compared to the conventional multiway optical switches. Furthermore, the proposed optical switch can be generalized to be a and optical switch without an extra phase shifter. The switch is fabricated by complementary metal oxide semiconductor technology. By experiment, full switching functionality is demonstrated at a wavelength of 1.55 μm, with an average cross talk of and a power consumption of 97.5 mW.
©2012 Optical Society of America
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