Mode-locked all-solid photonic bandgap fiber laser
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- Lecaplain, C., Rasoloniana, L., Egorova, O.N. et al. Appl. Phys. B (2012) 107: 317. doi:10.1007/s00340-012-4939-3
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We report on a mode-locked all-normal dispersion fiber laser featuring a large-mode-area all-solid photonic bandgap fiber. The self-starting chirped-pulse laser delivers 660 mW of average power at a repetition rate of 30 MHz, leading to 22 nJ energy. The output pulses are dechirped outside the cavity to nearly transform-limited duration of 50 fs. Numerical simulations are in good agreement with experiments and highlight the key role of passive spectral filtering on pulse shaping.