[Institution of Engineering and Technology 25th IET Irish Signals & Systems Conference 2014 and 2014 China-Ireland International Conference on Information and Communities Technologies (ISSC 2014/CIICT 2014) - Limerick, Ireland (26-27 June 2014)] 25th IET Irish Signals & Systems Conference 2014 and 2014 China-Ireland International Conference on Information and Communities Technologies (ISSC 2014/CIICT 2014) - Linear pulse characterization as a tool for all-optical signal processing