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Supercontinuum Generation by Using a Highly Germania-doped Fiber with a High-power Proportion Beyond 2400 nm
2019
IEEE Photonics Journal
A high-power all-fiber supercontinuum (SC) source in a highly germania-doped fiber (GDF) pumped by a picosecond thulium-doped master oscillator power amplifier (MOPA) system is presented. By further optimizing the length of the GDF, the longwavelength edge of the wideband flat SC can be broadened to 3 µm. The flat SC has an average output power of 11.62 W and a 3 dB bandwidth of 750 nm. The power proportion beyond 2400 nm is as high as 55.3%. To our knowledge, this SC average output power is the highest from a highly GDF.
doi:10.1109/jphot.2019.2953215
fatcat:vlthb5cr4bdvlkjtfavs6vm66y