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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 17 — Aug. 17, 2009
  • pp: 14627–14633

Athermal Silicon-on-insulator ring resonators by overlaying a polymer cladding on narrowed waveguides

Jie Teng, Pieter Dumon, Wim Bogaerts, Hongbo Zhang, Xigao Jian, Xiuyou Han, Mingshan Zhao, Geert Morthier, and Roel Baets  »View Author Affiliations


Optics Express, Vol. 17, Issue 17, pp. 14627-14633 (2009)
http://dx.doi.org/10.1364/OE.17.014627


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Abstract

Athermal silicon ring resonators are experimentally demonstrated by overlaying a polymer cladding on narrowed silicon wires. The ideal width to achieve athermal condition for the TE mode of 220nm-height SOI waveguides is found to be around 350nm. After overlaying a polymer layer, the wavelength temperature dependence of the silicon ring resonator is reduced to less than 5 pm/°C, almost eleven times less than that of normal silicon waveguides. The optical loss of a 350-nm bent waveguide (with a radius of 15µm) is extracted from the ring transmission spectrum. The scattering loss is reduced to an acceptable level of about 50dB/cm after overlaying a polymer cladding.

© 2009 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(230.7370) Optical devices : Waveguides

ToC Category:
Integrated Optics

History
Original Manuscript: April 23, 2009
Revised Manuscript: June 4, 2009
Manuscript Accepted: June 9, 2009
Published: August 4, 2009

Citation
Jie Teng, Pieter Dumon, Wim Bogaerts, Hongbo Zhang, Xigao Jian, Xiuyou Han, Mingshan Zhao, Geert Morthier, and Roel Baets, "Athermal Silicon-on-insulator ring resonators by overlaying a polymer cladding on narrowed waveguides," Opt. Express 17, 14627-14633 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-17-14627


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