Generation of carrier-envelope-phase-stable 2- cycle 740-μJ pulses at 2.1-μm carrier wavelength

We produce carrier-envelope-phase-stable 15.7-fs (2-cycle) 740μJ pulses at the 2.1-μm carrier wavelength, from a three-stage optical parametric chirped-pulse amplifier system, pumped by an optically synchronized 49-ps 11-mJ Nd:YLF laser. A novel seed pulse spectral shaping method is used to ascertain the true amplified seed energy and the parametric superfluorescence levels. ©2008 Optical Society of America OCIS codes: (140.4480) Optical amplifiers; (320.7090) Ultrafast lasers References and links 1. P. B. Corkum and F. Krausz, "Attosecond science," Nature Phys. 3, 381-387 (2007). 2. E. Goulielmakis, V. S. Yakovlev, A. L. Cavalieri, M. Uiberacker, V. Pervak, A. Apolonski, R. Kienberger, U. Kleineberg, and F. Krausz, "Attosecond Control and Measurement: Lightwave Electronics," Science 317, 769-775 (2007). 3. I. P. Christov, M. M. Murnane, and H. C. Kapteyn, "High-Harmonic Generation of Attosecond Pulses in the "Single-Cycle" Regime," Phys. Rev. Lett. 78, 1251 (1997). 4. J. L. 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