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Reduction of filter sidelobe level by an X-crossing vertical coupled ARROW filter

S. T. Chu, W. Pan, S. Sato, T. Maeda, B. Little, Y. Kokubun

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

Abstract

An antiresonant reflecting optical waveguide (ARROW) type vertical coupler filter exhibiting low sidelobe characteristics is demonstrated. The sidelobe level of the filter has been suppressed by using an X-crossing arrangement to provide strength apodization along the device. The main sidelobe of the fabricated filter is measured to be less than -17 dB with the central wavelength in the 1.55-μm region.
Original languageEnglish
Pages (from-to)391-393
JournalIEEE Photonics Technology Letters
Volume10
Issue number3
DOIs
Publication statusPublished - Mar 1998
Externally publishedYes

Research Keywords

  • Integrated optics
  • Optical filter
  • Sidelobe suppression
  • Waveguides

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