Person responsible for gathering data: Callum Littlejohns Photonics Systems, Circuits and Sensors Optoelectronic Research Centre University of Southampton Southampton SO17 1BJ c.littlejohns@soton.ac.uk Supervisor: Frederic Gardes f.gardes@soton.ac.uk Details of data collection: Date: September - October 2014 Locations: Building 53, University of Southampton Fabrication: 2014, Southampton Nanofabrication Centre For data description, see ReadMe tab on Excel file and paper itself.