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This is a In Vitro Study study.

August 20, 2025Open Access

Influence of Raman effect on gain and noise characteristics of cascaded phase sensitive optical parametric amplifier

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Analysis of gain and noise characteristics in optical parametric amplifiers, suggesting Raman and FWM interactions affect performance.

Raman effect influences gain and noise characteristics in phase sensitive optical parametric amplifiers, shifting performance metrics significantly.
Theoretical model shows how Raman and four-wave mixing competition alters power evolution, impacting noise figure and gain spectra.
Analysis of different signal frequencies reveals notable changes in gain and noise spectra due to Raman scattering effects.
Applicability of this model extends to frequency non-degenerate PS-OPA in nonlinear media like highly nonlinear optical fibers.

Yuan et al. (2025) studied this question.

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