高速半导体激光器的强度调制和噪声特性

IEEE LTS Pub Date : 1991-03-01 DOI:10.1109/80.93288

C.M. Miller

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引用次数: 22

摘要

介绍了高速光传输系统中激光器的几种特性。研究了调制带宽传递函数和弛豫振荡频率的特性，以及为使调制带宽最大化而必须优化的因素。确定了强度、噪声谱特性及其与调制带宽的关系。定义了激光的相对强度噪声(RIN)，并指出了其与激光发射机信噪比的关系。本文回顾了测量这些激光特性的技术，以及一些测量限制。用hp71400光波信号分析仪测量了1300 nm DFB激光器的调制响应强度、噪声和RIN。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Intensity modulation and noise characterization of high-speed semiconductor lasers

Several properties of lasers used in high-speed optical transmission systems are described. The characteristics of the modulation bandwidth transfer function and the relaxation oscillation frequency, and factors that must be optimized to maximize the modulation bandwidth, are examined. The intensity noise spectral characteristics and the relationship to the modulation bandwidth are determined. The relative intensity noise (RIN) of the laser is defined, and its relationship to the laser transmitters signal-to-noise ratio is noted. Techniques to measure these laser characteristics are reviewed, along with some measurement limitations. Sample measurements of the modulation response intensity noise, and RIN of a 1300-nm DFB laser using the HP 71400 lightwave signal analyzer are shown.< >

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IEEE LTS

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