ETRI Journal

  • 제33권2호
  • /
  • Pages.275-278
  • /
  • 2011
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  • 1225-6463(pISSN)
  • /
  • 2233-7326(eISSN)
한국전자통신연구원 (Electronics and Telecommunications Research Institute)
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Polymer $1{\times}2$ Thermo-Optic Digital Optical Switch Based on the Total-Internal-Reflection Effect

  • Han, Young-Tak (Convergence Components & Material Research Laboratory, ETRI, Photonic Computer Systems Laboratory, the Korea Advanced Institute of Science and Technology (KAIST)) ;
  • Shin, Jang-Uk (Convergence Components & Materials Research Laboratory, ETRI) ;
  • Park, Sang-Ho (Convergence Components & Materials Research Laboratory, ETRI) ;
  • Han, Sang-Pil (Creative & Challenging Research Division, ETRI) ;
  • Baek, Yong-Soon (Convergence Components & Materials Research Laboratory, ETRI) ;
  • Lee, Chul-Hee (Optical Device Research Team, ChemOptics Inc.) ;
  • Noh, Young-Ouk (Optical Device Research Team, ChemOptics Inc.) ;
  • Park, Hyo-Hoon (Photonic Computer Systems Laboratory, Korea Advanced Institute of Science and Technology (KAIST))
  • 투고 : 2010.10.08
  • 심사 : 2010.12.20
  • 발행 : 2011.04.30
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초록

This letter presents a polymer $1{\times}2$ thermo-optic totalinternal-reflection digital optical switch (TIR-DOS) with an index contrast of 1.5%-${\delta}$ operating at low power consumption. The structure of our $1{\times}2$ TIR-DOS was created by adding a reflection port to that of a conventional multimode filtering variable optical attenuator. To improve the total-internalr-eflection efficiency, a heater offset was applied to the crossing region of multimode waveguides of the TIR-DOS. The fabricated $1{\times}2$ TIR-DOS shows a low electrical power consumption of 18 mW for an on-off ratio of 35 dB.

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참고문헌

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