ETRI Journal

Electronics and Telecommunications Research Institute (한국전자통신연구원)
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Polymer Planar-Lightwave-Circuit-Type Variable Optical Attenuator Fabricated by Hot Embossing Process

  • Received : 2004.09.10
  • Published : 2005.02.28
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Abstract

A polymer-based planar-lightwave-circuit-type variable optical attenuator (VOA) was fabricated using a hot embossing process. With an optimized one-step embossing process, forty micro-channels for the guidance of light were defined on a polymer thin film with an accuracy of ${\pm}0.5{\mu}m$. The fabricated polymeric thermo-optic VOA shows 30 dB attenuation with 110 mW electrical input power at $1.55{\mu}m$. The rise and fall times are less than 5 ms.

Keywords

References

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