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1.6-Octave Coherent OAM Supercontinuum Generation in As₂S₃ Photonic Crystal Fiber
2020
IEEE Access
We design and simulate an all-normal dispersion arsenic trisulfide (As2S3) photonic crystal fiber (PCF) with high nonlinearity to enable a flat and coherent orbital angular momentum (OAM) supercontinuum (SC) generation. The photonic crystal fiber features a near-zero and flat negative dispersion with variation between -96.5 and -36.5 ps/(nm•km) over a 940-nm wavelength range from 1740 to 2680 nm. A 1946-nm supercontinuum forms from 959 to 2905 nm at -20 dB level which covers a 1.6octave
doi:10.1109/access.2020.3023133
fatcat:xbyqzslt3nb55kdpztlprrbk5y