JSTS:Journal of Semiconductor Technology and Science

  • 제4권1호
  • /
  • Pages.74-81
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  • 2004
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  • 1598-1657(pISSN)
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  • 2233-4866(eISSN)
대한전자공학회 (The Institute of Electronics and Information Engineers)
권호 표지

Microwave Photonics Frequency-Converted Link Using Electroabsorption Devices

  • Wu, Y. (Dept. of Electrical and Computer Engineering, University of California) ;
  • Shin, D.S. (Dept. of Electrical and Computer Engineering, University of California) ;
  • Chang, W.S.C. (Dept. of Electrical and Computer Engineering, University of California) ;
  • Yu, P.K.L. (Dept. of Electrical and Computer Engineering, University of California)
  • 발행 : 2004.03.31
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초록

We propose a novel scheme to transmit high center frequency RF signals using electroabsorption devices (EADs) as frequency converters at the transmitter and the receiver. In this approach frequency heterodyning is employed for obtaining high center frequency. With the EAD as a detector/mixer at the receiver we demonstrated a smaller conversion loss than that of the conventional modulator/mixer. With EAD as a modulator/mixer at the transmitter and with two heterodyned lasers to generate an optical local oscillator (LO), we demonstrated a large reduction (${\sim}23dB$) in conversion loss, and the transmission is not limited by the optical saturation of the EAD. This transmission scheme has optical single-side-band transmission feature which greatly relieves the fiber dispersion effect.

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