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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 3 — Feb. 4, 2008
  • pp: 1645–1652

Controlling temperature dependence of silicon waveguide using slot structure

Jong-Moo Lee, Duk-Jun Kim, Gwan-Ha Kim, O-Kyun Kwon, Kap-Joong Kim, and Gyungock Kim  »View Author Affiliations

Optics Express, Vol. 16, Issue 3, pp. 1645-1652 (2008)

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We show that the temperature dependence of a silicon waveguide can be controlled well by using a slot waveguide structure filled with a polymer material. Without a slot, the amount of temperature-dependent wavelength shift for TE mode of a silicon waveguide ring resonator is very slightly reduced from 77 pm/°C to 66 pm/°C by using a polymer (WIR30-490) upper cladding instead of air upper cladding. With a slot filled with the same polymer, however, the reduction of the temperature dependence is improved by a pronounced amount and can be controlled down to -2 pm/°C by adjusting several variables of the slot structure, such as the width of the slot between the pair of silicon wires, the width of the silicon wire pair, and the height of the silicon slab in our experiment. This measurement proves that a reduction in temperature dependence can be improved about 8 times more by using the slot structure.

© 2008 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(230.7390) Optical devices : Waveguides, planar
(130.7408) Integrated optics : Wavelength filtering devices

ToC Category:
Integrated Optics

Original Manuscript: October 18, 2007
Revised Manuscript: January 10, 2008
Manuscript Accepted: January 11, 2008
Published: January 23, 2008

Jong-Moo Lee, Duk-Jun Kim, Gwan-Ha Kim, O-Kyun Kwon, Kap-Joong Kim, and Gyungock Kim, "Controlling temperature dependence of silicon waveguide using slot structure," Opt. Express 16, 1645-1652 (2008)

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