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In mode-locked thulium soliton fiber lasers, we experimentally observe and numerically confirm the formation of numerous dispersive-wave sidebands, following a bifurcation of the pulse dynamics into a stationary short-period pulsation. These resonant sidebands appear in addition to the Gordon–Kelly sidebands that are formed in the stationary mode-locked regime. The origin of these sidebands is discussed,...
We demonstrate the detection and sizing of single nanoparticles in aqueous environment by real-time monitoring the step changes in the nanofiber transmission.
Under investigation is the higher-order nonlinear Schrödinger equation with the third-order dispersion (TOD), self-steepening (SS) and self-frequency shift, which can be used to describe the propagation and interaction of ultrashort pulses in the subpicosecond or femtosecond regime. Through the introduction of an auxiliary function, bilinear form is derived. Bright one- and two-soliton solutions are...
A 1.15-mm-diameter close-loop ring resonator is fabricated by fusion splicing a 4-µm-diameter microfiber. When immersed in a 6 wt.% glycerin aqueous solution, the fusion spliced microfiber ring resonator exhibits good resonance at 1.6-µm-wavelength with a Q-factor of about 23000 and an extinction of 15 dB.
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