Time-domain Large-signal Modeling of Injection-locked Fabry-Perot Laser Diode for WDM-PON

WDM-PON용 주입 잠금 패브리-페롯 레이저 다이오드의 시영역 대신호 모델링

  • Lee, Seung-Hyun (Department of Electronics and Communications Engineering, Kwangwoon University) ;
  • Kim, Gun-Woo (Department of Electronics and Communications Engineering, Kwangwoon University) ;
  • Chung, Young-Chul (Department of Electronics and Communications Engineering, Kwangwoon University)
  • 이승현 (광운대학교 전자통신공학과) ;
  • 김건우 (광운대학교 전자통신공학과) ;
  • 정영철 (광운대학교 전자통신공학과)
  • Received : 2010.01.29
  • Accepted : 2010.03.17
  • Published : 2010.04.25


A modeling methodology for the analysis of injection-locked Fabry-Perot laser diodes (FP-LDs), promising for cost-effective WDM-PON sources, is proposed. The time-domain large-signal model that is used is found to provide quite similar results to some experimental ones. With our methodology, we model characteristics of FP-LDs, such as influence of reflectivity at a facet and detuning on injection-locking. The eye diagram characteristics are also investigated. It is observed that the facet reflectivity at the injection side should be lower than 1% to provide stable operation in terms of good side-mode suppression ratio and independence from detuning between narrow-band injection noise and LD modes. It is also observed that good eye opening can be obtained for 155 Mbps modulation while the parameters such as the active region thickness should be properly optimized to obtain reasonable eye opening at 1.25 Gbps.


Grant : 저가형 80기가급 WDM-PON용 광원모듈

Supported by : (주)엘디스


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