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access icon free Si wire waveguide polarisation-independent wavelength filter using polarisation rotation Bragg grating

A polarisation-independent Bragg grating wavelength filter using polarisation rotation is reported. A rib waveguide Bragg grating structure and second-order mode are used to generate the polarisation rotation. A device connected to polarisation beam splitter (PBS) to obtain a polarisation-independent device is fabricated. The measured diffraction wavelength peaks were almost the same for both input polarisations.

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      • 7. Okayama, H., Onawa, Y., Shimura, D., Miyamura, S., Takahashi, H., Yaegashi, H.: ‘Polarization conversion Si waveguide Bragg grating for polarization independent wavelength filter’. Technical Digest 11th Group IV Photonics, paper ThD5, Paris, August 2014.
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http://iet.metastore.ingenta.com/content/journals/10.1049/el.2014.2759
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content/journals/10.1049/el.2014.2759
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