23 GHz Ge/SiGe multiple quantum well electro-absorption modulator Chaisakul, Papichaya ; Marris-Morini, Delphine ; Rouifed, Mohamed-Saïd ; Isella, Giovanni ; Chrastina, Daniel ; Frigerio, Jacopo ; Le Roux, Xavier ; Edmond, Samson ; Coudevylle, Jean-René ; Vivien, Laurent Abstract Publication: Optics Express Pub Date: January 2012 DOI: 10.1364/OE.20.003219 Bibcode: 2012OExpr..20.3219C