Integrated, Scalable and Reconfigurable Silicon Photonics Based Optical Switch for Colorless, Directionless and Contentionless Operation. - Stefano Tondini; Astghik Chalyan; Giorgio Fontana; Lorenzo Pavesi; Nikola Zecevic; Michael Hofbauer; Bernhard Goll; Horst Zimmermann; Stefano Stracca; Alberto Bianchi; Costanza Manganelli; Philippe Velha; et al. (OFC, 2018)