Optical EngineeringWideband continuously tunable delays based on fiber supercontinuum and dispersion
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A new method to achieve wideband continuously tunable delays in an all-fiber system is proposed, which uses dispersion in the optical fiber and spectrum filtering of supercontinuum generation of the ultra-short signal pulse in highly nonlinear fiber. A delay of 3.175 ns is experimentally demonstrated, and the potential delay up to 800 ns can be achieved using large dispersion fiber and wideband supercontinuum (SC) generation up to several hundreds of nanometers.