Improved LiNbO3 Technology for Reducing Sidelobe Asymmetry in Mode Converter-Based Wavelength Filters.

  • Chollet Franck
    Laboratoire d"Optique P.–M. Duffieux, UMR CNRS 6603, Institut des Microtechniques, Université de Franche–Comté, 25030 Besançon Cedex, France
  • Goedgebuer Jean–Pierre
    Laboratoire d"Optique P.–M. Duffieux, UMR CNRS 6603, Institut des Microtechniques, Université de Franche–Comté, 25030 Besançon Cedex, France

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  • Improved LiNbO3 Technology for Reducing
  • Improved LiNbO<sub> 3</sub> Technology for Reducing Sidelobe Asymmetry in Mode Converter-Based Wavelength Filters

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Abstract

We present an experimental explanation of the sidelobe amplitude increase generally observed in LiNbO3 polarization converter-based wavelength filters. We propose a simple improved LiNbO3 process to avoid this problem and show experimental results that confirm our hypothesis.

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