A novel design for an all-fiber bandpass filter based on a multimode interference reimaging
phenomenon is presented. The filter has achieved low insertion loss with adequate …

We report on a wavelength-tunable filter based on multimode interference (MMI) effects. A
typical MMI filter consists of a multimode fiber (MMF) spliced between two single-mode fibers …

Methods of output wavelength tuning in short-pulsed fibre lasers are analysed. Many of them
rely on spectral selection principles long used in other types of lasers. For compatibility with …

A widely tunable erbium-doped all-fiber laser has been demonstrated. The tunable
mechanism is based on a novel tunable filter using multimode interference effects (MMI) …

A novel passively Q-switched all-fiber laser using a single mode-multimode-single mode
fiber device as the saturable absorber based on the Kerr effect of multimode interference is …

A simple multiwavelength Tm-doped fiber laser at the 2 μm band based on multimode
interference (MMI) is proposed and experimentally demonstrated. In this scheme, a 4 m Tm …

Properties of the self-imaging effect based on multimode interference (MMI) in large-core
passive optical fibers are investigated and analyzed in detail, with the purpose of using …

Spatial self-imaging, consisting of the periodic replication of the optical transverse beam
profile along the propagation direction, can be achieved in guided wave systems when all …

A novel optofluidically tunable Thulium-doped fiber laser (TDFL) based on a multimode
interference (MMI) fiber filter is experimentally demonstrated with a wide tuning range from …

We report the fabrication of a multimode interferometer (MMI), based on a multimode
polymer optical fiber (POF), sandwiched between two single-mode silica fibers. The POF …