Carrier–envelope phase stabilization of 5-fs, 0.5-mJ pulses from adaptive phase modulator
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- Wang, H., Chini, M., Wu, Y. et al. Appl. Phys. B (2010) 98: 291. doi:10.1007/s00340-009-3639-0
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We compressed high-power laser pulses to 5 fs and 0.5 mJ using a neon-filled hollow-core fiber and a high-throughput 4f system. The carrier–envelope phase of the two-cycle pulses was measured directly by using their over-one-octave output spectrum. The carrier–envelope phase was stabilized by feedback controlling the grating separation of a stretcher in a chirped pulse amplifier. To the best of our knowledge, this is the first time that carrier–envelope phase locked few-cycle pulses were generated by using an adaptive phase modulator.