All Fiber Continuous-Wave Supercontinuum Source for Sensing

摘要

A broadband supercontinuum source is demonstrated with phosphosilicate-doped Raman fiber laser. By lunching 1495 nm continuous-wave pump into a short length of microstructure fiber with high nonlinearity and flat dispersion, high efficiency continuum spanning from 1450 nm to 1650 nm is generated, covering the whole communication windows. The average output power is as high as 2 W when the pump is set as 4.14 W, corresponding to a spectral density of 10 mW/nm. This all-fiber light source can be applied in fiber sensing system.