Phase-locked mutually coupled 1.3 μm quantum-dot lasers Hegarty, Stephen P. ; Goulding, David ; Kelleher, Bryan ; Huyet, Guillaume ; Todaro, Maria-Teresa ; Salhi, Abdelmajid ; Passaseo, Adriana ; De Vittorio, Massimo Abstract Publication: Optics Letters Pub Date: November 2007 DOI: 10.1364/OL.32.003245 Bibcode: 2007OptL...32.3245H