Abstract

We numerically demonstrate that noise properties of picosecond mid-infrared (mid-IR) supercontinuum (SC) in the anomalous region of a chalcogenide photonic crystal fiber (PCF) can be effectively controlled by a weak continuous wave (CW) trigger. Detailed simulation results show that in the mid-IR region, the characteristics of SC, including spectral bandwidth, temporal coherence, and signal-to-noise ratio (SNR), can be greatly enhanced by the CW trigger at selected wavelengths. The present study provides valuable insight into the CW-triggered mid-IR SC under the influence of modulation instability (MI) and stimulated Raman scattering (SRS).

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