Clocking the Onset of Bilayer Coherence in a HighT C Cuprate Supplemental Material

Edoardo Baldini, 2 Andreas Mann, Benjamin P. P. Mallett, Christopher Arrell, Frank van Mourik, Thomas Wolf, Dragan Mihailovic, Jeffrey L. Tallon, Christian Bernhard, José Lorenzana, and Fabrizio Carbone Laboratory for Ultrafast Microscopy and Electron Scattering, IPHYS, EPFL, CH-1015 Lausanne, Switzerland Laboratory of Ultrafast Spectroscopy, ISIC, EPFL, CH-1015 Lausanne, Switzerland Department of Physics, University of Fribourg, Chemin du Musée 3, CH-1700 Fribourg, Switzerland Institute of Solid State Physics, Karlsruhe Institute of Technology, Postfach 3640, Karlsruhe 76021, Germany Jozef Stefan Institute and International Postgraduate School, Jamova 39, SI-1000 Ljubljana, Slovenia Robinson Research Institute, Victoria University of Wellington, P.O. Box 33436 Lower Hutt, New Zealand Institute for Complex Systems CNR, and Physics Department, University of Rome “La Sapienza”, I-00185 Rome, Italy (Dated: December 11, 2016)