Dual-wavelength Q-switched erbium-doped fiber laser using an SMF-MMF-SMF structure and graphene oxide
Document Type
Article
Publication Date
1-1-2022
Abstract
We have successfully demonstrated a stable dual-wavelength Q-switched erbium-doped fiber laser (EDFL) using a single mode fiber-multimode fiber-single mode fiber (SMF-MMF-SMF) structure-based filter. Using a graphene oxide (GO) saturable absorber (SA) to modulate the cavity loss, passive Q-switching of the dual-wavelength laser is achieved at 1 549.6 nm and 1 558.6 nm. The laser recorded the shortest pulse width of about 2.9 µs, the maximum pulse repetition rate of 65.27 kHz and the maximum average output power of 0.99 mW at pump power of 225.1 mW. The present laser has the maximum pulse energy of 15.17 nJ. A 2 SMF-MMF-SMF structure has been experimentally confirmed to be very promising as a wavelength filter. © 2022, Tianjin University of Technology.
Keywords
Erbium, Fiber lasers, Graphene, Multimode fibers, Optical pumping, Pulse repetition rate, Q switching, Saturable absorbers, A, A-stable, Cavity loss, Dual-wavelength, Erbium-doped fiber lasers, Fibre structure, Graphene oxides, Q-switched, Single-mode fibers, Structure-based, Single mode fibers
Divisions
sch_ecs
Funders
Airlangga University [Grant No;2022]
Publication Title
Optoelectronics Letters
Volume
18
Issue
11
Publisher
Springer Verlag