Henker, R., Wiatrek, A., Preußler, S., Ammann, M. J., Schwarzbacher, A. Th., and Schneider, Th.,
“Gain enhancement in multiple-pump-line Brillouin-based slow light systems by using fiber segments and filter stages”,
Applied Optics, vol. 48, no. 29, pp. 5583-5588, 2009.