Passively Mode-Locked 2.7 and 3.2 μm GaSb-Based Cascade Diode Lasers Feng, Tao ; Shterengas, Leon ; Hosoda, Takashi ; Kipshidze, Gela ; Belyanin, Alexey ; Teng, Chu C. ; Westberg, Jonas ; Wysocki, Gerard ; Belenky, Gregory Abstract Publication: Journal of Lightwave Technology Pub Date: April 2020 DOI: 10.1109/JLT.2020.2971605 Bibcode: 2020JLwT...38.1895F