Sub-picosecond ultra-low frequency passively mode-locked fiber laser

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We developed a nonlinear polarization rotation all-fiber mode-locked erbium-doped fiber laser, with the purpose to reach a sub-picosecond and sub-megahertz light pulse emission. In the process, we observed three different emission regimes as the net birefringence is changed, namely high-power dissipative soliton resonance, low-power soliton regime, and a mixed combination of both. In the pure solitonic regime, a 0.961 MHz train of chirp-free Gaussian pulses was obtained, with a time width of 0.919 ps at 1564.3 nm.

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The authors acknowledge financial support from the Ministerio de Economia y Competitividad of Spain and the Fondo Europeo de Desarrollo Regional (FEDER)—Project TEC2013-46643-C2-1-R—and the Generalitat Valenciana—Project PROMETEOII/2014/072. The work of C. Cuadrado-Laborde has been partially supported by CONICET and ANPCyT (Projects PIP112-2015-0100607-CO and PICT-2015-2818, respectively), Argentina.

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Correspondence to Christian Cuadrado-Laborde.

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Cuadrado-Laborde, C., Cruz, J.L., Díez, A. et al. Sub-picosecond ultra-low frequency passively mode-locked fiber laser. Appl. Phys. B 122, 273 (2016).

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  • Pump Power
  • Fiber Laser
  • Light Pulse
  • Wavelength Division Multiplexer
  • Polarization Controller