Broadband and low amplitude noise supercontinuum generated by using compressed pulse

In this paper, enhancement of bandwidth of supercontinuum generated in a normal dispersion-flattened microstructured fiber by using compressed pulse is demonstrated experimentally and numerically. Using high-order soliton compression effect, the standard single mode fiber is used as a pulse compressor. The experimental measured −10 dB spectral width is broadened from 75 nm to more than 140 nm by adding a 20 m long standard single mode fiber. Numerical analysis shows that using pulse compressed by a certain length fiber can increase the spectral bandwidth without making extra amplitude noise.

► In this paper, we investigate the enhancement of supercontinuum bandwidth using compressed pulse experimentally and numerically. ► A certain length standard single mode fiber is used as a pulse compressor. ► The bandwidth of supercontinuum can be enhanced simply and effectively. ► The amplitude noise property of generated supercontinuum is not deteriorated.