缺陷芯光子晶体光纤中连续统产生的理论研究

K. Nithyanandan, A. Sharafali, P. Peterka
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引用次数: 0

摘要

我们研究了亚微米缺陷在光纤非线性特性中的作用。在光纤设计的几种几何形状中,我们认识到具有最小正色散和较大非线性的光纤是连续体生成的潜在候选者。利用孤子裂变理论,我们证明了孤子自频移在谱展宽中的作用,并报道了缺陷核PCF在1 m范围内的一个跨八度连续谱。
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A theoretical study on the continuum generation in a defective core photonic crystal fiber
We study the role of sub-micron defect in the characteristics of fiber for potential nonlinear applications. Out of several geometries of fiber designs, we recognize that fiber with minimum positive dispersion along with a large nonlinearity is a potential candidate for continuum generation. Using the theory of soliton fission, we demonstrate the role of soliton self-frequency shift in the spectral broadening and an octave-spanning continuum in 1 m of defective core PCF is reported.
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