Observation and comparison of multiwavelength generation erbium doped fibre ring laser utilising photonic crystal fibre with zero dispersion at 1040 nm and 1550 nm. - Mohd Nizam Abdullah; Sahbudin Shaari; P. Susthitha Menon; Abang Annuar Ehsan; Osman Zakaria (IEICE Electron. Express, 2015)