Dispersion-related amplification in a nonlinear fiber pumped by counterpropagating waves

C. T. Law, A. E. Kaplan
1991 Optics Letters  
We investigate the dispersion-related amplification induced by two counterpropagating waves in a nonlinear fiber and demonstrate that this system can provide broadband (of the order of terahertz) and large (>105) amplification even in the presence of absorption, with the pumping significantly below the threshold of instability.
doi:10.1364/ol.16.000461 pmid:19773966 fatcat:s2nkjtjmafhp7fkbkp7fwiwtbm