20 W all fiber supercontinuum generation from picosecond MOPA pumped photonic crystal fiber |
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Authors: | S -P Chen J -H Wang H -W Chen Z -L Chen J Hou X -J Xu J -B Chen Z -J Liu |
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Affiliation: | 1. College of Optoelectric Science and Engineering, National University of Defense Technology, Changsha, 410073, China
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Abstract: | An all fiber high power supercontinuum (SC) source is demonstrated by pumping a section of photonic crystal fiber (PCF) with
a picosecond MOPA laser. The core of the PCF is enlarged at the input end through a serious of PCF post processing method
to match the output fiber of the picosecond laser, to ensure low loss splicing, hence high power operation of the whole system.
The supercontinuum output spectrum covers the wavelength range from 650 nm to beyond 1700 nm. Limited by available pump power,
20 W super-continuum output power is obtained under 29.5 W picosecond pump power, giving a high optical to optical conversion
efficiency of 67.8%. |
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