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Electro-optical silicon isolator

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Abstract

We demonstrate the first non-magnetic CMOS-compatible optical isolator on a silicon chip. The isolator is based on indirect interband photonic transition, created by electrically-driven dynamic refractive index modulation on a two-mode waveguide. We observe a strong contrast (up to 3dB) in the transmission coefficient along the forward and backward directions.

© 2012 Optical Society of America

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