Abstract
A compact hybrid plasmonic 50:50 directional coupler for the next generation of silicon photonics integrated circuit was fabricated and measured. Our device has a very small footprint of 21.2 µm by 1.1 µm. The coupler has less than 10% variation from a 3 dB coupling ratio over a wavelength range of more than 100 nm around 1.55 µm and an insertion loss of less than 1dB.
© 2014 Optical Society of America
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