Abstract
The impact of random dispersion fluctuations on two-pump (2-P) fiber optical parametric amplifier (FOPA) performance in terms of parametric gain, 3-dB amplification bandwidth and saturation power is numerically investigated. The four-coupled amplitude equations which represent the parametric process in optical fiber are solved using the Runge-Kutta method. Based on the results, it was observed that the random dispersion fluctuations reduced the parametric gain, increased the saturation power and had no significant effect on 3-dB amplification bandwidth. The resulted behaviors are mainly due to the changes of phase-matching condition in optical fiber. All in all, the random dispersion fluctuations are potentially limited the 2-P FOPA performances.
Highlights
Fiber optical parametric amplifier (FOPA) is an optical amplifier that utilizes optical fiber as its amplification or gain medium
This paper mainly focuses on 2-P FOPA parametric gain, 3-dB amplification bandwidth and saturation power behaviors in the influence of dispersion fluctuations
The effect of dispersion fluctuations is observed on 2-P FOPA gain spectrum in terms of parametric gain and 3-dB amplification bandwidth
Summary
Fiber optical parametric amplifier (FOPA) is an optical amplifier that utilizes optical fiber as its amplification or gain medium. A FOPA is required to show optimum performance in terms of parametric gain and amplification bandwidth. Most applications desire FOPA to achieve high parametric gain and wide amplification bandwidth. The results exhibited limitation of the FOPA performance when the random dispersion fluctuations were manipulated. Considering the fact that two-pump (2-P) FOPA experiences the random dispersion fluctuations in optical fiber, this paper is focusing on analyzing the impact of dispersion fluctuations on its performance. The impact of dispersion fluctuations was analyzed on the performance of parametric gain, 3-dB amplification bandwidth and saturation power of 2-P FOPA. In this numerical simulation work, both pumps depletion and fiber losses were accounted
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