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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 36, Iss. 4 — Feb. 15, 2011
  • pp: 469–471

Compact polarization rotator on silicon for polarization-diversified circuits

Long Chen, Christopher R. Doerr, and Young-Kai Chen  »View Author Affiliations


Optics Letters, Vol. 36, Issue 4, pp. 469-471 (2011)
http://dx.doi.org/10.1364/OL.36.000469


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Abstract

We demonstrate a polarization rotator based on adiabatic mode evolution on silicon for polarization-diversified circuits. The rotator has a device length of 420 μm , a polarization-conversion efficiency of more than 90%, and an insertion loss less than 1 dB for a wavelength range of 80 nm . Combining the rotator with a compact, broadband polarization beam splitter based on cascaded directional couplers enhances the polarization conversion extinction ratio to over 30 dB with less than 1.5 dB total insertion loss over a 60 nm spectral range.

© 2011 Optical Society of America

OCIS Codes
(230.3120) Optical devices : Integrated optics devices
(230.5440) Optical devices : Polarization-selective devices

ToC Category:
Optical Devices

History
Original Manuscript: November 5, 2010
Revised Manuscript: December 21, 2010
Manuscript Accepted: December 23, 2010
Published: February 4, 2011

Citation
Long Chen, Christopher R. Doerr, and Young-Kai Chen, "Compact polarization rotator on silicon for polarization-diversified circuits," Opt. Lett. 36, 469-471 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-4-469


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