• Title/Summary/Keyword: Unpolarized F-P LD

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Cost Effective Mutual Injection Locked F-P LD for WDM-PON System (WDM-PON 시스템을 위한 저가격 상호 주입 잠김 F-P LD)

  • Hwang, Ji-Hong;Lee, Hyuek-Jae;Park, Jun-Mo
    • Journal of the Institute of Convergence Signal Processing
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    • v.21 no.4
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    • pp.162-169
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    • 2020
  • In this paper, we attempted a qualitative understanding of mutual injection locking without rigorous mathematics, and analyzed the proposed mutual injection locked light source. Also, a low-cost WDM-PON light source based on mutual injection locking using two unpolarized Fabry-Perot Laser Diodes (F-P LDs), was implemented. The RIN (Relative Intensity Noise) characteristic for the wavelength change of the F-P LD was measured, and when the variable wavelength range was 2.07 nm, it showed a RIN of at least -110 dB/Hz.

Analysis of a wavelength tunable source according to temperature variations in a Mutually Injected F-P LD (상호주입 잠김 F-P LD에서 온도변화에 따른 가변 파장 광원의 특성 분석)

  • Hwang, Ji-hong;Oh, Yeong-guk;Lee, Hyuek-jae;Lee, Chang-hee
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • 2012.10a
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    • pp.1009-1011
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    • 2012
  • In this paper, a wavelength tunable light source based on mutually injected locking with two F-P LDs, has been constructed and then analyzed for wavelength shift and RIN (Relative Intensity noise) according to temperature. We have measured maximum about 2 nm for the wavelength shift and minimum -110dB/hz for the RIN. Also, the RIN and beating noise in eye patterns are increased by changing temperature high.

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