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Cost Effective Mutual Injection Locked F-P LD for WDM-PON System  

Hwang, Ji-Hong (Schntec, Inc)
Lee, Hyuek-Jae (Department of Information & Communication Engineering, Kyungnam University)
Park, Jun-Mo (School of Electronic and Biomedical Engineering, Tongmyong University)
Publication Information
Journal of the Institute of Convergence Signal Processing / v.21, no.4, 2020 , pp. 162-169 More about this Journal
Abstract
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.
Keywords
Wavelength Division Multiplexing - Passive Optical Network (WDM-PON); Mutual injection locking; Fabry Perot Laser Diode (F-P LD); Relative Intensity Noise (RIN);
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