High-power single-frequency fiber lasers with exceptional properties, such as mode-hop-
free and narrower linewidths, lower noise, and compact all-fiber designs, have been …

Fiber Bragg grating (FBG) is the most widely used optical fiber sensor due to its compact
size, high sensitivity, and easiness for multiplexing. Conventional FBGs fabricated by using …

Ultrafast fiber lasers operating in the near-infrared have revolutionized laser science by
enabling numerous breakthroughs in both fundamental science and industrial applications …

Especially for displays, visible-wavelength lasers are in high demand for a wide range of
applications. Active research and development have been devoted to laser-based displays …

We report the design and performance of a single frequency all-fiber distributed feedback
(DFB) laser sources employing fiber Bragg gratings (FBGs) emitting in the 2-m region …

We demonstrate a widely tunable single-frequency Er-doped ZBLAN fiber laser operating on
a^ 4F_9/2?^ 4I_9/2 transition band. An uncoated germanium (Ge) plate serves as a narrow …

Since the early 1990s, when researchers began to explore rare-earth-doped mid-infrared
glass fibers, fiber laser systems have emerged as promising high-brightness light sources …

ABSTRACT FBG is a reflective structure present in the fiber with periodically perturbed
effective refractive index. With the emergence of femtosecond lasers, the point-by-point …

We report a tunable all-fiber laser emitting a maximum output power of 2.55 W around 3240
nm. The fiber laser cavity based on a fluoride fiber doped with dysprosium ions yields an …

Specially designed composite heavily Er3+-doped fiber in combination with unique point-by-
point inscription technology by femtosecond pulses at 1,026 nm enables formation of …