摘要We demonstrate the blue light generated in high-Δ photonic crystal fibers (PCFs). A femtosecond Yb−doped fiber laser, operating at 1039 nm, is used to pump a GeO2-doped PCF in the largely anomalous group velocity dispersion (GVD) region. The emitted radiation covers 418.6–544.6 nm with 5 dB flatness. The calculated result indicates that the cross phase module (XPM) effect induced by higher-mode soliton makes a contribution to the blue component generation.
Abstract：We demonstrate the blue light generated in high-Δ photonic crystal fibers (PCFs). A femtosecond Yb−doped fiber laser, operating at 1039 nm, is used to pump a GeO2-doped PCF in the largely anomalous group velocity dispersion (GVD) region. The emitted radiation covers 418.6–544.6 nm with 5 dB flatness. The calculated result indicates that the cross phase module (XPM) effect induced by higher-mode soliton makes a contribution to the blue component generation.
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2011, Vol. 28 
