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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 9 — Apr. 27, 2009
  • pp: 7383–7391

Design, optimization and fabrication of an optical mode filter for integrated optics

Vincent Magnin, Malek Zegaoui, Joseph Harari, Marc François, and Didier Decoster  »View Author Affiliations

Optics Express, Vol. 17, Issue 9, pp. 7383-7391 (2009)

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We present the design, optimization, fabrication and characterization of an optical mode filter, which attenuates the snaking behavior of light caused by a lateral misalignment of the input optical fiber relative to an optical circuit. The mode filter is realized as a bottleneck section inserted in an optical waveguide in front of a branching element. It is designed with Bézier curves. Its effect, which depends on the optical state of polarization, is experimentally demonstrated by investigating the equilibrium of an optical splitter, which is greatly improved however only in TM mode. The measured optical losses induced by the filter are 0.28 dB.

© 2009 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(220.0220) Optical design and fabrication : Optical design and fabrication
(230.1360) Optical devices : Beam splitters
(250.5300) Optoelectronics : Photonic integrated circuits

ToC Category:
Integrated Optics

Original Manuscript: June 18, 2008
Revised Manuscript: July 20, 2008
Manuscript Accepted: September 21, 2008
Published: April 21, 2009

Vincent Magnin, Malek Zegaoui, Joseph Harari, Marc Franςois, and Didier Decoster, "Design, optimization and fabrication of an optical mode filter for integrated optics," Opt. Express 17, 7383-7391 (2009)

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