Abstract
We fabricated and measured a compact 3 dB hybrid plasmonic directional coupler for silicon photonics integrated circuits with a length of 21.2 μm. The coupler has a coupling ratio over a spectral bandwidth of more than 100 nm around a wavelength of 1.55 μm and has an insertion loss of less than 1 dB.
© 2014 Optical Society of America
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