The Journal of Korean Institute of Electromagnetic Engineering and Science (한국전자파학회논문지)

The Korean Institute of Electromagnetic Engineering and Science (한국전자파학회)
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A Study on the Heterodyned Optical Phase Locked Loop

헤테로다인 광 위상 고정 루프 연구

  • Yoo, Kang-Hee (Dept. of Electronic Communication Eng., Chungju University)
  • 유강희 (충주대학교 전자통신공학과)
  • Published : 2007.10.31
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Abstract

In this paper, the design techniques required to design heterodyned OPLL such as frequency-phase deference detector, loop filter and phase noise of semiconductor laser are presented. Through the experiments with the calculated parameters, we confirmed that the frequency-phase difference detector simply develops an error component that is proportional to the frequency-phase difference between heterodyned optical signals. The achieved frequency-phase locking range of the input laser diode frequency is around ${\pm}150MHz$. This paper describes the details of the designed as well as experimental results.

본 논문에서는 OPLL의 기술적 구성 요소인 주파수 및 위상 차이 검출기, 루프 여파기, VCO 반도체 레이저의 위상 잡음 설계에 대하여 이론적으로 검토하였으며, 설계 파라미터들을 도출하였다. 계산된 파라미터들로 구현한 설계 및 실험 결과, 주파수 및 위상 검출기는 헤테로다인된 차이 주파수와 1.5 GHz 기준 주파수 사이의 에러 성분을 이론식에 맞게 추출하였으며, 주파수 및 위상 고정 범위는 ${\pm}150MHz$이었다. 본 논문은 헤테로다인 위상 고정 루프 구현에 대한 설계 및 실험 결과를 기술하였다.

Keywords

References

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