scholarly journals Pure rotational stimulated Raman scattering in H2-filled hollow-core photonic crystal fibers

2020 ◽  
Vol 28 (16) ◽  
pp. 23881 ◽  
Author(s):  
Hao Li ◽  
Wei Huang ◽  
Yulong Cui ◽  
Zhiyue Zhou ◽  
Zefeng Wang
Keyword(s):  
Photonic Crystal ◽  
Raman Scattering ◽  
Stimulated Raman Scattering ◽  
Photonic Crystal Fibers ◽  
Hollow Core ◽  
Crystal Fibers ◽  
Stimulated Raman

scholarly journals Transient Dynamics of Stimulated Raman Scattering in Gas-Filled Hollow-Core Photonic Crystal Fibers

2018 ◽  
Vol 2018 ◽  
pp. 1-5 ◽  
Author(s):  
Yashar E. Monfared
Keyword(s):  
Photonic Crystal ◽  
Raman Scattering ◽  
Stimulated Raman Scattering ◽  
Photonic Crystal Fibers ◽  
Transient Dynamics ◽  
Hollow Core ◽  
Propagation Regime ◽  
Crystal Fibers ◽  
Stimulated Raman

A theoretical and numerical investigation of transient dynamics of stimulated Raman scattering (SRS) inside gas-filled hollow-core photonic crystal fibers (HCPCFs) is reported here. A clear link between the transient dynamics and the coherent memory of the SRS interaction is demonstrated. In addition, the role of pulse width, pump power, fiber length, and gaseous medium in the transient dynamics of SRS in HCPCFs is discussed. It is shown that the coherent memory can serve as a convenient parameter to control the SRS propagation regime.

scholarly journals Hydrogen Molecules Rotational Stimulated Raman Scattering in All-Fiber Cavity Based on Hollow-Core Photonic Crystal Fibers

Crystals ◽  
2021 ◽  
Vol 11 (6) ◽  
pp. 711
Author(s):  
Wenxi Pei ◽  
Hao Li ◽  
Wei Huang ◽  
Meng Wang ◽  
Zefeng Wang
Keyword(s):  
Photonic Crystal ◽  
Raman Scattering ◽  
Stimulated Raman Scattering ◽  
Photonic Crystal Fibers ◽  
Stokes Wave ◽  
Hollow Core ◽  
Hydrogen Molecules ◽  
Gas Cavity ◽  
Crystal Fibers ◽  
Stimulated Raman

Here, we report the rotational stimulated Raman scattering (SRS) of hydrogen molecules in an all-fiber cavity based on hollow-core photonic crystal fibers (HC-PCFs). The gas cavity consists of a 49 m long HC-PCF filled with 18 bar high-pressure hydrogen and two sections of fusion spliced solid-core fibers on both ends. When pumped by a homemade 1064 nm pulsed fiber amplifier, only rotational SRS occurs in the gas cavity due to the transmission spectral characteristics of the used HC-PCF, and 1135 nm Stokes wave is obtained (Raman frequency shift of 587 cm−1). By changing the pulse width and repetition frequency of the pump source, the output characteristics are explored. In addition, a theoretical model is established for comparison with the experimental results. This work is helpful for the application of gas Raman laser based on the HC-PCFs.

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