Lee, Jinho Koo, Joonhoi Lee, Ju Han Jhon, Young Min Lee, Junsu 2024-01-19T11:07:37Z 2024-01-19T11:07:37Z 2022-02-28 2017-07 2166-8884 https://pubs.kist.re.kr/handle/201004/114624 We experimentally demonstrate a femtosecond pulse fiber laser operating at 1.91 mu m, which incorporates a Mu omicron Se-2/PVA-based saturable absorber (SA). The SA was implemented by depositing a MoSe2/PVA composite film onto a side-polished fiber platform. Using the evanescent field interaction of the oscillating beam with the MoSe2/PVA, stable femtosecond pulses could be readily obtained from a Tm-Ho-codoped fiber ring cavity. English IEEE Femtosecond Pulse Fiber Laser at 1.91 mu m using MoSe2/PVA-based Evanescent Field Interaction Conference 1 Opto-Electronics and Communications Conference (OECC) / Photonics Global Conference (PGC) Opto-Electronics and Communications Conference (OECC) / Photonics Global Conference (PGC) US Singapore, SINGAPORE 2017-07-31 2017 OPTO-ELECTRONICS AND COMMUNICATIONS CONFERENCE (OECC) AND PHOTONICS GLOBAL CONFERENCE (PGC) 000434271700228