Compact and broad band directional coupler for sub-wavelength grating SOI components

We present a sub-wavelength grating (SWG) directional coupler, to split light between SWG waveguides. Fabricated devices have compact design combined with wavelength-flattened response and with low sensitivity to central wavelength changes and to fabrication errors.

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Bibliographic Details
Main Authors: Donzella, V., Flueckiger, J., Sherwali, A., Fard, S. Talebi, Grist, S. M., Chrostowski, L.
Format: Conference Proceeding
Language:English
Subjects:
Adaptive optics
Couplings
Directional couplers
Optical coupling
Optical device fabrication
Optical imaging
Optical waveguides
Online Access:Request full text
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Description
Summary:We present a sub-wavelength grating (SWG) directional coupler, to split light between SWG waveguides. Fabricated devices have compact design combined with wavelength-flattened response and with low sensitivity to central wavelength changes and to fabrication errors.
ISSN:1092-8081
2766-1733
DOI:10.1109/IPCon.2014.6995286