Published July 15, 2016
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Journal Article
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Polarization rotator based on augmented low-index-guiding waveguide on silicon nitride/silicon-on-insulator platform
Abstract
Using a newly proposed augmented low-index-guiding scheme with silicon nitride/silicon dual-core waveguide, we have designed, fabricated, and characterized a transverse electric (TE) to transverse magnetic (TM) and TM-to-TE compact polarization rotator. The polarization rotation is realized in an asymmetric directional coupler. The measured peak conversion efficiencies for the TE-to-TM and TM-to-TE rotations are approximately 97%. The measured polarization extinction ratio for the TE-to-TM rotation is greater than 20 dB over 50-nm bandwidth, while for the TM-to-TE rotation it is greater than 15 dB over the C-band.
Additional Information
© 2016 Optical Society of America. Received 29 March 2016; revised 12 June 2016; accepted 16 June 2016; posted 17 June 2016 (Doc. ID 262119); published 8 July 2016. Funding: Natural Sciences and Engineering Research Council of Canada (NSERC).Attached Files
Published - ol-41-14-3229.pdf
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ol-41-14-3229.pdf
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Additional details
- Eprint ID
- 69465
- Resolver ID
- CaltechAUTHORS:20160805-092931849
- Natural Sciences and Engineering Research Council of Canada (NSERC)
- Created
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2016-08-05Created from EPrint's datestamp field
- Updated
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2021-11-11Created from EPrint's last_modified field