Abstract
We present efficient titanium dioxide-TiO2 directional coupler integrated with single mode waveguide as an effective solution for switching and splitting at 1550nm wavelength. The 100/0 and 50/50 directional coupler show efficiency of 96.65% and 98.58%, respectively, which is so far reported the highest with TiO2 based directional coupler.
© 2022 The Author(s)
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