Polarization-dependent efficient Cherenkov radiation at visible wavelengths in hollow-core photonic crystal fiber cladding

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...

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Published inChinese physics B Vol. 22; no. 1; pp. 222 - 225
Main Author 申向伟 苑金辉 桑新柱 余重秀 饶岚 夏民 韩颖 夏长明 侯蓝田 吴中超 何晓亮
Format Journal Article
LanguageEnglish
Published 2013
Subjects
Conversion
Crystal fibers
Knots
Nonlinearity
Photonic crystals
Polarization
Pumps
Solitons
Wavelengths
偏振相关
光波长
切伦科夫辐射
包层
孤子自频移
最大输出功率
空心
空芯光子晶体光纤
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ISSN1674-1056
2058-3834
1741-4199
DOI10.1088/1674-1056/22/1/014102

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Summary: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 nm, and the conversion efficiency of the CR can be above 28%. Moreover, the influences of the pump polarization and wavelength on the CR are studied, and the corresponding nonlinear processes are discussed.
Bibliography: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 nm, and the conversion efficiency of the CR can be above 28%. Moreover, the influences of the pump polarization and wavelength on the CR are studied, and the corresponding nonlinear processes are discussed.
11-5639/O4
polarization-dependent Cherenkov radiation, hollow-core photonic crystal fiber （HC-PCF）
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ISSN:1674-1056
2058-3834
1741-4199
DOI:10.1088/1674-1056/22/1/014102