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Characterization of Coupling Properties of Vertically Curved Si Surface Optical Coupler Designed for Coupling with 5-µm-MFD SMF

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Abstract

A 5-µm-spot-size surface optical coupler based on vertically-curved Si waveguide showed 150nm/0.5dB spectrum bandwidth, ~5dB coupling loss for TE polarization, and incident angle and alignment tolerance of 6 degrees and ±1.5µm in 5-µm-spot SMF coupling.

© 2018 The Author(s)

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