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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 13, Iss. 4 — Feb. 21, 2005
  • pp: 1150–1160

Long-period gratings in polymer ridge waveguides

Q. Liu, K. S. Chiang, and K. P. Lor  »View Author Affiliations


Optics Express, Vol. 13, Issue 4, pp. 1150-1160 (2005)
http://dx.doi.org/10.1364/OPEX.13.001150


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Abstract

We report the design and fabrication of long-period waveguide gratings (LPWGs) in benzocyclobutene (BCB) ridge waveguides. We apply an accurate perturbation theory to analyze the LPWGs. In particular, the phase-matching condition, the coupling coefficients, the temperature dependence of the resonance wavelength, the bandwidth, and the polarization dependence of the resonance wavelength are discussed. Several LPWGs in BCB ridge waveguides are fabricated by a UV-writing technique using a KrF excimer laser. The transmission spectra of the gratings are measured and discussed. An LPWG with a polarization-insensitive resonance wavelength at a specific temperature is demonstrated. Experimental results agree well with the theory. Our results are useful for the design of LPWG-based devices for various applications.

© 2005 Optical Society of America

OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(130.3120) Integrated optics : Integrated optics devices
(250.5460) Optoelectronics : Polymer waveguides

ToC Category:
Research Papers

History
Original Manuscript: January 5, 2005
Revised Manuscript: December 30, 2004
Published: February 21, 2005

Citation
Q. Liu, K. Chiang, and K. Lor, "Long-period gratings in polymer ridge waveguides," Opt. Express 13, 1150-1160 (2005)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-13-4-1150


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