90 nm gain extension towards 1.7 μm for diode-pumped silica-based thulium-doped fiber amplifiers.
Zhihong LiShaif-Ul AlamJae M. O. DanielPeter C. ShardlowD. JainNikita SimakovA. M. HeidtYongmin JungJayanta K. SahuW. Andrew ClarksonDavid J. RichardsonPublished in: ECOC (2014)