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Normal dispersion modulation instability in an As_2Se_3 chalcogenide hybrid microwire

机译:As_2Se_3硫族化物杂化微丝的正态色散调制不稳定性

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We use hybrid polymer-chalcogenide optical microwires to realize mid-infrared frequency conversion via the process of normal dispersion modulation instability (MI). Phase-matching is achieved through a negative fourth-order dispersion coefficient and leads to the apparition of parametric sidebands located at 2 μm and 3.5 μm, corresponding to a frequency shift of 30 Thz relative to the pump, which is among the largest reported using normal-dispersion pumped MI in a single-pass configuration in the mid-IR Stochastic nonlinear Schroedinger equation simulations are in excellent agreement with experiments.
机译:我们使用混合的聚合物-硫族化物光学微线通过正常的色散调制不稳定性(MI)的过程来实现中红外频率转换。相位匹配是通过负四阶色散系数实现的,并导致出现了位于2μm和3.5μm的参数边带,对应于相对于泵的30 Thz频移,这是使用正态分布报告的最大频宽之一中红外随机非线性Schroedinger方程模拟中的单程配置中的色散泵浦MI与实验非常吻合。

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