| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Blue-Extended Supercontinuum Generation in Photonic Crystal Fibers with Picosecond Pulse Pumping |
| ZHU Xian, ZHANG Xin-Ben, CHEN Xiang, PENG Jing-Gang, DAI Neng-Li, LI Jin-Yan** |
Wuhan National Laboratory of Optoelectronics, Huazhong University of Science and Tecnology, Wuhan 430074
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| Cite this article: |
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ZHU Xian, ZHANG Xin-Ben, CHEN Xiang et al 2012 Chin. Phys. Lett. 29 124210 |
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Abstract We report supercontinuum generation extending to the blue spectral region using pulses of 1.8 ps duration at 1040 nm in GeO2-doped core photonic crystal fibers. A spectrum in fundamental mode spanning from 415 nm to beyond 1750 nm is generated in a uniform photonic crystal fiber (PCF). A zero dispersion wavelength decreasing PCF is fabricated to optimize the parameters for deeper blue components generated by cross-phase modulation and group-velocity matching. Although the PCF is pumped at a low input power of 1.3 W in anomalous dispersion and relatively far from the zero dispersion wavelength, a flat continuum covering 406.1–671.8 nm is generated, which is of primary importance in a number of bio-photonic applications such as fluorescence imaging microscopy.
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Received: 31 August 2012
Published: 04 March 2013
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| PACS: |
42.72.Bj
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(Visible and ultraviolet sources)
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42.81.Dp
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(Propagation, scattering, and losses; solitons)
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