Mid-Infrared Supercontinuum Generation in Chalcogenide Photonic Crystal Fibers with a Weak CW Trigger

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 re...

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Bibliographic Details
Published in:Journal of lightwave technology 2020-03, Vol.38 (6), p.1522-1528
Main Authors: Huang, Rongle, Zhou, Renlai, Li, Qian
Format: Article
Language:English
Subjects:
Bandwidth
Chalcogenide photonic crystal fiber
Chalcogenides
Coherence
Computer simulation
Continuous radiation
Crystal fibers
Gain
mid-infrared supercontinuum
nonlinear fiber optics
Optical fiber dispersion
Photonic crystals
Raman spectra
Signal to noise ratio
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Summary: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).
ISSN:0733-8724
1558-2213
DOI:10.1109/JLT.2019.2957170