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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 22, Iss. 4 — Feb. 24, 2014
  • pp: 3777–3786

Polarization rotator-splitters in standard active silicon photonics platforms

Wesley D. Sacher, Tymon Barwicz, Benjamin J. F. Taylor, and Joyce K. S. Poon  »View Author Affiliations


Optics Express, Vol. 22, Issue 4, pp. 3777-3786 (2014)
http://dx.doi.org/10.1364/OE.22.003777


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Abstract

We demonstrate various silicon-on-insulator polarization management structures based on a polarization rotator-splitter that uses a bi-level taper TM0-TE1 mode converter. The designs are fully compatible with standard active silicon photonics platforms with no new levels required and were implemented in the IME baseline and IME-OpSIS silicon photonics processes. We demonstrate a polarization rotator-splitter with polarization crosstalk < −13 dB over a bandwidth of 50 nm. Then, we improve the crosstalk to < −22 dB over a bandwidth of 80 nm by integrating the polarization rotator-splitter with directional coupler polarization filters. Finally, we demonstrate a polarization controller by integrating the polarization rotator-splitters with directional couplers, thermal tuners, and PIN diode phase shifters.

© 2014 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(230.5440) Optical devices : Polarization-selective devices

ToC Category:
Integrated Optics

History
Original Manuscript: December 3, 2013
Revised Manuscript: January 19, 2014
Manuscript Accepted: January 20, 2014
Published: February 10, 2014

Citation
Wesley D. Sacher, Tymon Barwicz, Benjamin J. F. Taylor, and Joyce K. S. Poon, "Polarization rotator-splitters in standard active silicon photonics platforms," Opt. Express 22, 3777-3786 (2014)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-22-4-3777


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