Wideband polarization splitter and rotator with large fabrication tolerance and simple fabrication process

We propose and demonstrate a polarization splitter and rotator (PSR) built on a silicon-on-insulator platform. The PSR is constructed with a tapered waveguide followed by a 2×2 multimode interferometer and can be simply fabricated in a single lithography and etching step. A low insertion loss (

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Bibliographic Details
Published in:Optics letters 2013-04, Vol.38 (8), p.1227-1229
Main Authors: Ding, Yunhong, Ou, Haiyan, Peucheret, Christophe
Format: Article
Language:English
Subjects:
Insertion loss
Interferometers
Lithography
Noise levels
Platforms
Polarization
Tolerances
Wideband
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Description
Summary:We propose and demonstrate a polarization splitter and rotator (PSR) built on a silicon-on-insulator platform. The PSR is constructed with a tapered waveguide followed by a 2×2 multimode interferometer and can be simply fabricated in a single lithography and etching step. A low insertion loss (
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.38.001227