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Tunable polymer waveguide Bragg filter fabricated by direct patterning of UV-curable polymer

  • Sung Hyun Nam
  • , Jae Wook Kang
  • , Jang Joo Kim*
  • *Corresponding author for this work
  • LG Corporation
  • Seoul National University

Research output: Contribution to journalJournal articlepeer-review

Abstract

Tunable polymer wavelength filters are demonstrated using a silicon-nitride grating which gives high refractive index contrast with polymers. The polymer waveguides are defined using direct patterning of a liquid-state UV-curable polymer by proximate-contact lithography technique. The wavelength filter exhibits a narrow bandwidth of less than 1.0 nm and a transmission dip of more than -15 dB. The peak wavelength is shifted over 10 nm in the temperature range of 25-70 °C and the thermal tuning efficiency is -0.212 nm/°C.

Original languageEnglish
Pages (from-to)332-335
Number of pages4
JournalOptics Communications
Volume266
Issue number1
DOIs
StatePublished - 2006.10.1

Keywords

  • Gratings
  • Polymeric wavelength filters
  • Proximate-contact lithography
  • Thermo-optical materials
  • Tunable

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