Long cavity ring fiber mode-locked laser with decreased net value of nonlinear polarization rotation Rodriguez-Morales, L. A. ; Armas-Rivera, I. ; Ibarra-Escamilla, B. ; Pottiez, O. ; Santiago-Hernandez, H. ; Durán-Sánchez, M. ; Andrés, M. V. ; Kuzin, E. A. Abstract Publication: Optics Express Pub Date: May 2019 DOI: 10.1364/OE.27.014030 Bibcode: 2019OExpr..2714030R