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A fabrication-tolerant SOI polarization splitter-rotator with cascaded MMI couplers and an assisted bi-level taper

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Abstract

We propose a fabrication-tolerant SOI polarization splitter-rotator with cascaded MMI couplers and an assisted bi-level taper. The performance remains very stable even for a large deviation of ±50 nm in terms of device sizes.

© 2014 Optical Society of America

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