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We describe a simple erbium fiber based master oscillator power amplifier generating record 50 kW peak power in a diffraction and bandwidth limited pulse. The fiber oscillator uses carbon nanotubes for saturable absorption and modelocking. It is followed by a single mode Er fiber amplifier. Nonlinear Schrodinger equation (NLSE) simulations ignoring gain confirm that interaction between self phase...
A first optical manifestation of the Chen-Lee-Liu-type derivative nonlinear Schrodinger equation results in self-steepening of ultrashort pulses and shock formation without simultaneous self-phase modulation and spectral broadening. Experiments verify theory.
Raman fiber lasers (RFLs) are efficient light sources at frequencies where no other comparable all-solid-state sources are available. Especially if fiber Bragg gratings (FBGs) with narrow bandwidths are used, the bandwidth of the Stokes light is strongly broadened by Kerr nonlinearities like four-wave mixing (FWM), and self- and cross-phase modulation (SPM, XPM). In this letter, we discuss an exact...
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