High-energy femtosecond photonic crystal fiber laser

Abstract

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Ultrashort pulse formation and evolution in mode-locked fiber lasers

“…The increased mode area decreases the intensity of the light field, additionally the interaction length can be significantly reduced by reducing the fiber section in the cavity to the extreme case of solely a short piece of gain fiber. Exploiting the advantages of microstructured fibers together with high-energy dissipative soliton pulse shaping a tremendous performance increase in terms of pulse energy, peak power and also average power has been obtained [26][27][28][29].…”

Sub-picosecond microjoule-class fiber lasers

“…Fiber oscillators that reach the megawatt peak powers have been reported based on this approach [4][5]. Notably, the extension of this approach to photonic crystal rods opens the road for sub-picosecond microjoule-class fiber sources [6][7]. In this communication, we report the generation of high-energy sub-picosecond pulses from a highly normal dispersion fiber laser featuring an Yb-doped rod-type PCF and a large-mode-area PCF.…”

Mode-locked all-solid photonic bandgap fiber laser

“…In particular, the performance of ultrafast ytterbiumdoped fiber lasers operating at 1 µm has reached and even surpassed the levels that traditional solid-state lasers offer [1][2][3][4][5]. This breakthrough results from better understanding of the nonlinear pulse dynamics of mode-locked fiber oscillators and progress in development of single mode largemode-area fibers.…”

“…As known from ultrafast fiber amplifier systems, a reduction of nonlinearity and consequently potential performance enhancement can be obtained by the enlargement of the fiber core dimensions. Recently, remarkable pulse energy levels were demonstrated using large core photonic crystal fibers and rod-type fibers [1][2][3][4][5].…”