Integrated polarization beam splitter in high index contrast silicon-on-insulator waveguides

We design, fabricate, and test a novel transverse-electric/transverse-magnetic (TE/TM) polarization beam splitter which is based on the dependence of birefringence on rib width in silicon-on-insulator waveguides. The polarization beam splitter has high TE to TM extinction ratio, low excess loss and...

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Bibliographic Details
Published in:IEEE photonics technology letters 2005-02, Vol.17 (2), p.393-395
Main Authors: Liang, T.K., Tsang, H.K.
Format: Article
Language:English
Subjects:
Arm
Bandwidth
Beam splitters
Birefringence
Couplers
Etching
Extinction
Optical device fabrication
Optical polarization
Optical waveguide components
Optical waveguides
Photonics
Planar waveguides
Polarization
Silicon on insulator technology
Stress
Tellurium
waveguide components
Waveguides
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Summary:We design, fabricate, and test a novel transverse-electric/transverse-magnetic (TE/TM) polarization beam splitter which is based on the dependence of birefringence on rib width in silicon-on-insulator waveguides. The polarization beam splitter has high TE to TM extinction ratio, low excess loss and wide operation bandwidth. The simple fabrication method involves only single etch step.
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2004.839462