access icon free Polarisation-independent wavelength filter using Si wire waveguide Bragg grating and multimode interference couplers

A wavelength filter using Si wire waveguide Bragg grating and multimode interference couplers is reported. The device is designed for the optical network unit of the fibre to the home system. All the components are designed to achieve polarisation independence.

Inspec keywords: silicon; Bragg gratings; optical fibre couplers; optical fibre filters; elemental semiconductors; optical polarisers

Other keywords: Si wire waveguide Bragg grating; optical fibre; polarisation independent wavelength filter; Si; light signal; optical network unit; random polarisation; fibre to the home system; wavelength division multiplexing optical communication systems; multimode interference couplers

Subjects: Other fibre optical devices and techniques; Fibre couplers and connectors; Spectral and other filters; Spatial filters, zone plates, and polarizers; Gratings, echelles; Optical coatings and filters; Fibre optics

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http://iet.metastore.ingenta.com/content/journals/10.1049/el.2014.0087
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