The quality of temporal ghost imaging over optical fiber

By exploiting the duality between light propagation in space and time, temporal ghost imaging (TGI) over optical fiber is investigated theoretically and numerically. The analytical expression of the point spread function (PSF) of TGI is derived. The effects of the optical fiber length, group-velocity dispersion (GVD) coefficient and effective width of the incident pulse on TGI over optical fiber are studied by using classical temporally incoherent non-stationary pulsed light. Based on simulation results, we find that for different dispersion, high quality TGI can be obtained by using appropriate optical fiber length and effective width of the incident pulse. Our results can be used to choose the optimal parameters in the design of realistic TGI system over optical fiber. (C) 2018 Elsevier Ltd. All rights reserved.