1996•Optics LettersRequires access

Generation of 18-fs, multiterawatt pulses by regenerative pulse shaping and chirped-pulse amplification

C. P. J. Barty, Ting Guo, C. Le Blanc, F. Ráksi, C. Rose-Petruck, Jeffrey A. Squier, Kent R. Wilson, Vladislav V. Yakovlev, K. Yamakawa

Open publisher page 181 citations

Abstract

Transform-limited, 18-fs pulses of 4.4-TW peak power are produced in a Ti:sapphire-based chirped-pulsed amplification system at a repetition rate of 50 Hz. Regenerative pulse shaping is used to control gain narrowing during amplification, and an optimized, quintic-phase-limited dispersion compensation scheme is used to control higher-order phase distortions over a bandwidth of ~100 nm. Seed pulses are temporally stretched >100,000 times before amplification.

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Key concepts: Chirped pulse amplification, Optics, Regenerative amplification, Ultrashort pulse, Bandwidth-limited pulse, Materials science, Femtosecond pulse shaping, Pulse (music)