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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 19 — Oct. 1, 2012
  • pp: 4086–4088

Athermal silicon nitride ring resonator by photobleaching of Disperse Red 1-doped poly(methyl methacrylate) polymer

Feng Qiu, Feng Yu, Andrew M. Spring, and Shiyoshi Yokoyama  »View Author Affiliations


Optics Letters, Vol. 37, Issue 19, pp. 4086-4088 (2012)
http://dx.doi.org/10.1364/OL.37.004086


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Abstract

To fabricate athermal silicon nitride waveguides, the dimensions of both the core and cladding, refractive index, and thermo-optic coefficients must be controlled precisely. We present a simple and effective method for the postfabrication trimming of silicon nitride ring resonators that overcomes the highly demanding fabrication. In order to manipulate the polymer’s refractive index and thermo-optic coefficient, we bleached the Disperse Red 1-doped poly(methyl methacrylate) (DR1/PMMA) top cladding using UV irradiation. After a suitable bleaching time, the temperature-dependent wavelength shift of the ring resonator was reduced from 9.8 to 0.018pm/°C, which is the lowest shift that we are aware of for an athermal waveguide realized by overlaying a polymer cladding to date.

© 2012 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(130.3130) Integrated optics : Integrated optics materials

ToC Category:
Materials

History
Original Manuscript: July 31, 2012
Manuscript Accepted: August 17, 2012
Published: September 26, 2012

Citation
Feng Qiu, Feng Yu, Andrew M. Spring, and Shiyoshi Yokoyama, "Athermal silicon nitride ring resonator by photobleaching of Disperse Red 1-doped poly(methyl methacrylate) polymer," Opt. Lett. 37, 4086-4088 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-19-4086

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