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We demonstrate a dispersion managed Erbium doped all-fiber laser with 101.75MHz repetition rate using 45°TFG to realize mode locking based on nonlinear polarization rotation technique. In our experiment, stable dual-pulse tightly bound states were observed under the pump power of505mW.
A novel high SMSR dual-wavelength erbium-doped fiber laser operating in C-band is proposed and successfully demonstrated. Based on Arrayed-Waveguide Gratings (A WGs) as a comber filter and demultiplexer, the fiber laser retrieve the optical side-mode suppression ratio (SMSR) of 53dB and the output powers of-10.45dBm and-10.20dBm at the wavelengths 1554.87nm and 1555.65nm, respectively. The mode spacing...
We report on the generation of versatile pulse patterns in an erbium-doped fiber laser incorporating a 2D nano-materials, topological insulator (TI): Bi2Te3. By depositing of the TI on a microfier, an effctive saturable absorber (SA) would be created, which has combined the advantages from the strong nonlinear optical response in TI material together with the suffiently-long-range interaction length...
We experimentally observed the coexistence of polarization domains and polarization locked vector solitons in an Er-doped fiber laser with microfiber-based graphene as a saturable absorber. Taking advantage of the highly nonlinear effect and saturable absorption effect of the microfiber-based graphene saturable absorber, we have obtained polarization domains and their splitting into regularly or irregularly...
A multiwavelength Er-doped fibre ring laser system using all fibre Lyot filter and highly nonlinear fibre was experimentally demonstrated, with degree of polarization up to 99.9% and 50 channels output.
A new wavelength-swept fiber laser is proposed and successfully demonstrated based on two linear chirped fiber Bragg gratings (LC-FBGs) with perfect opposite dispersion response. It is based on intra-cavity pulse stretching and compression provided respectively by two chirped gratings. Experimental results demonstrate a wavelength-swept fiber laser that exhibits a sweep rate of about 3.48 MHz over...
This paper proposes a single-longitudinal-mode, narrow bandwidth fiber laser with double-ring cavity, using an ultra-high roundness microsphere cavity as the single-longitudinal-mode selector. By improving the heating technology and surface cleaning process, microsphere cavities with high Q factor are obtained. Through optimizing the polarization of incident light and the diameter of tapered fiber,...
We report, for the first time to our knowledge, the usage of CVD-grown few-layer WSe2 as a saturable absorber for the mode locking of a thulium-doped fiber laser. The WSe2 saturable absorber was deposited on the waist of the tapered fiber. By employing the WSe2 saturable absorber, we demonstrate a passively mode-locked fiber laser operating at 1863.96 nm with a 3 dB spectral bandwidth of 2.89 nm....
We report a detailed characterization of the bound states solitons in a dispersion-managed fiber laser with respect to the dynamics of time domain separation and phase difference. The theoretical results reveal that the bound states solitons in a nonlinear system have two equilibria, and different initial conditions would induce the pulse separation and phase difference to distinct fixed points. Moreover,...
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