High-brightness tapered lasers with an Al-free active region at 1060 - M Ruiz; H Odriozola; CH Kwok; N Michel; M Calligaro; M Lecomte; O Parillaud; M Krakowski; JMG Tijero; I Esquivias; RV Penty; LH White (Novel In-Plane Semiconductor Lasers Viii, 2009)