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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 12 — Jun. 11, 2007
  • pp: 7708–7712

Integrated shadow mask for sampled Bragg gratings in chalcogenide (As2S3) planar waveguides

Duk-Yong Choi, Steve Madden, Andrei Rode, Rongping Wang, Barry Luther-Davies, Neil J. Baker, and Benjamin J. Eggleton  »View Author Affiliations

Optics Express, Vol. 15, Issue 12, pp. 7708-7712 (2007)

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We have developed a new approach for producing high performance sampled Bragg gratings in planar waveguides as a platform for WDM on-chip signal processing in a compact integrated device. Using this method we have successfully integrated a shadow mask directly onto a chalcogenide (As2S3) waveguide using standard semiconductor processing, eliminating misalignment errors between the mask and waveguide that otherwise occur. Through this integrated mask we demonstrate a very low duty cycle sampled Bragg grating with very narrow rejection peaks and spanning a very broad bandwidth.

© 2007 Optical Society of America

OCIS Codes
(090.2880) Holography : Holographic interferometry
(160.2750) Materials : Glass and other amorphous materials
(220.4000) Optical design and fabrication : Microstructure fabrication
(230.1480) Optical devices : Bragg reflectors

ToC Category:
Optical Devices

Original Manuscript: March 23, 2007
Revised Manuscript: June 5, 2007
Manuscript Accepted: June 5, 2007
Published: June 7, 2007

Duk-Yong Choi, Steve Madden, Andrei Rode, Rongping Wang, Barry Luther-Davies, Neil J. Baker, and Benjamin J. Eggleton, "Integrated shadow mask for sampled Bragg gratings in chalcogenide (As2S3) planar waveguides," Opt. Express 15, 7708-7712 (2007)

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Fig. 1. Fig. 2. Fig. 3.

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