Bismuth telluride topological insulator nanosheet saturable absorbers for q-switched mode-locked Tm:ZBLAN waveguide lasers Jiang, Xiantao ; Gross, Simon ; Zhang, Han ; Guo, Zhinan ; Withford, Michael J. ; Fuerbach, Alexander Abstract Publication: Annalen der Physik Pub Date: August 2016 DOI: 10.1002/andp.201600014 Bibcode: 2016AnP...528..543J