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Optics Letters

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  • Vol. 36, Iss. 7 — Apr. 1, 2011
  • pp: 1059–1061

Efficient and compact TE–TM polarization converter built on silicon-on-insulator platform with a simple fabrication process

Liu Liu, Yunhong Ding, Kresten Yvind, and Jørn M. Hvam  »View Author Affiliations


Optics Letters, Vol. 36, Issue 7, pp. 1059-1061 (2011)
http://dx.doi.org/10.1364/OL.36.001059


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Abstract

An efficient TE–TM polarization converter built on a silicon-on-insulator nanophotonic platform is demonstrated. The strong cross-polarization coupling effect in air-cladded photonic-wire waveguides is employed to realize the conversion. A peak TE–TM coupling efficiency of 87% ( 0.6 dB insertion loss) is measured experimentally. A polarization conversion efficiency of > 92 % with an overall insertion loss of < 1.6 dB is obtained in a wavelength range of 40 nm . The proposed device is compact, with a total length of 44 μm and can be fabricated with one lithography and etching step.

© 2011 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(230.7380) Optical devices : Waveguides, channeled
(130.5440) Integrated optics : Polarization-selective devices

ToC Category:
Integrated Optics

History
Original Manuscript: January 18, 2011
Revised Manuscript: February 11, 2011
Manuscript Accepted: February 17, 2011
Published: March 17, 2011

Citation
Liu Liu, Yunhong Ding, Kresten Yvind, and Jørn M. Hvam, "Efficient and compact TE–TM polarization converter built on silicon-on-insulator platform with a simple fabrication process," Opt. Lett. 36, 1059-1061 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-7-1059


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