Journal of the Optical Society of Korea

  • 제1권1호
  • /
  • Pages.48-51
  • /
  • 1997
  • /
  • 1226-4776(pISSN)
  • /
  • 2093-6885(eISSN)
한국광학회 (Optical Society of Korea)
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DOI QR코드

DOI QR Code

Field-induced refractive index variations in GaAs/AlGaAs multiple quantum well waveguide modulator

  • Cho, Wook-Rae (Department of Physics, Yonsei University) ;
  • Park, Seung-Han (Department of Physics, Yonsei University) ;
  • Kim, Ung (Department of Physics, Yonsei University) ;
  • Park, Kyung-Hyun (Division of Electronics and Information Technology, Korea Institute of Science and Technology)
  • 투고 : 1997.01.20
  • 발행 : 1997.03.01
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초록

A quantum well electroabsorption waveguide modulator utilizing a field-induced refractive index change was designed and fabricated. The on/off ratios of the device were investigated as a function of wavelength over the spectral range of 850 nm to 910 nm for the various reverse biases. The field-induced refractive index variations associated with quantum-confined Stark effect was theoretically obtained based on the measured on/off ratios. The resulting maximum refractive index change(${\DELTA}n) of ~7.5 {\times} 10^{-4}$ at -8 V was estimated.

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참고문헌

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