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首页> 外文期刊>Optics Letters >Laser phase noise to intensity noise conversion by lowest-order group-velocity dispersion in optical fiber: exact theory
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Laser phase noise to intensity noise conversion by lowest-order group-velocity dispersion in optical fiber: exact theory

机译:光纤中最低阶群速度色散将激光相位噪声转换为强度噪声:精确理论

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摘要

An exact result for the spectral density of intensity variations that occur after propagation of ergodic light in a medium having lowest-order-only group-velocity dispersion is obtained and applied to the problem of semiconductor laser phase noise to intensity noise conversion in a single-mode optical fiber. It is shown that the intensity spectrum after propagation formally approaches, for a large laser linewidth or a long (or high-dispersion) fiber, the intensity spectrum of a thermal source having the same line shape as the laser.
机译:获得了遍历光在仅具有最低阶团速度色散的介质中传播后发生的强度变化的光谱密度的精确结果,并将其应用于单相激光中半导体激光相位噪声到强度噪声转换的问题模光纤。结果表明,对于较大的激光线宽或较长(或高色散)的光纤,传播后的强度谱在形式上接近具有与激光器相同的线形的热源的强度谱。

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