Efficient Cherenkov radiation (CR) is experimentally generated by a soliton self-frequency shift (SSFS) in a knot of hollow-core photonic crystal fiber (HC-PCF). When the angle of the half-wave plate is rotated from 0° to 45° , the Raman soliton shifts from 2227 to 2300 nm, the output power of the CR increases 8.15 times, and the maximum output power ratio of the CR at 556 nm to the residual pump is estimated to be 20:1. The width of the output optical spectrum at visible wavelengths broadens from 25 to 45 ...
【英文摘要】
Efficient Cherenkov radiation (CR) is experimentally generated by a soliton self-frequency shift (SSFS) in a knot of hollow-core photonic crystal fiber (HC-PCF). When the angle of the half-wave plate is rotated from 0° to 45° , the Raman soliton shifts from 2227 to 2300 nm, the output power of the CR increases 8.15 times, and the maximum output power ratio of the CR at 556 nm to the residual pump is estimated to be 20:1. The width of the output optical spectrum at visible wavelengths broadens from 25 to 45 ...
【基金】
Project supported by the National Basic Research Program of China (Grant Nos. 2010CB327605 and 2010CB328300);
the Fundamental Research Funds for the Central Universities of Ministry of Education of China (Grant Nos. 2011RC0309 and 2011RC008);
the Specialized Research Fund for the Doctoral Program of Beijing University of Posts and Telecommunications, China (Grant No. CX201023)
【更新日期】
2013-03-05
【分类号】
TN253
【正文快照】
1. Introduction Photonic crystal fibers (PCFs) [1–9] have opened a new phase for high field physics and nonlinear optics of ultra-short pulses [10–14] due to strong field confinement in the small fiber core, and the possibility of tailoring the dispersi
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