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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 26 — Sep. 10, 2009
  • pp: 4866–4873

Hybrid silica/polymer long period gratings for wavelength filtering and power distribution

Jia Jiang, Claire L. Callender, Julian P. Noad, and Jianfu Ding  »View Author Affiliations

Applied Optics, Vol. 48, Issue 26, pp. 4866-4873 (2009)

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We report long period grating (LPG) devices based on a hybrid architecture incorporating photopatternable fluorinated poly(aryl ether ketone) and silica layers for applications in wavelength filtering and power distribution. The grating structure was implemented using a periodic corrugation on a thermally oxidized silica lower cladding layer, a photopatterned fluorinated polymer ridge waveguide, and a simi lar polymer top cladding. In this design, the corrugated silica layer allows a highly stable grating structure, while the fluorinated polymer offers a low propagation loss and easy processability. Strong rejection bands have been demonstrated in the C + L wavelength band, in good agreement with theoretical calculations. The fabricated LPG devices show a thermal dependence of 1.5 nm / ° C . Based on this design, an array of waveguides incorporating LPGs has also been fabricated. Distribution of light at the resonance wavelength across all the channels from a single input has been demonstrated. These results are promising for power distribution in photonic network applications or on-chip sensors.

© 2009 Optical Society of America

OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(220.3740) Optical design and fabrication : Lithography
(230.7390) Optical devices : Waveguides, planar
(230.7408) Optical devices : Wavelength filtering devices
(130.5460) Integrated optics : Polymer waveguides

ToC Category:
Diffraction and Gratings

Original Manuscript: June 17, 2009
Revised Manuscript: August 17, 2009
Manuscript Accepted: August 17, 2009
Published: September 1, 2009

Jia Jiang, Claire L. Callender, Julian P. Noad, and Jianfu Ding, "Hybrid silica/polymer long period gratings for wavelength filtering and power distribution," Appl. Opt. 48, 4866-4873 (2009)

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