5-fs, 1-MHz repetition rate laser for ultrafast spectroscopy

Andrius Baltuska, Zhiyi Wei, Maxim S. Pshenichnikov, Douwe A. Wiersma, Robert Szipocs

Research output: Contribution to journalConference article

1 Citation (Scopus)


Optical pulses as short as 5 fs with energies exceeding 5 nJ up to 1-MHz repetition rates have been generated by injecting 13-fs pulses from a cavity-dumped self-mode-locked Ti:sapphire laser into a single-mode polarization-preserving fiber. The chirp of the resulting white-light continuum was characterized by its cross-correlation with the laser pulse. The apparent nonlinearity of the chirp is due to beam propagation through additional bulk material. If the bulk contribution is subtracted, the chirp turns out to be almost linear across the spectral region from 600 nm to 1.2 μm. Pulse compression of the central part of the white-light continuum to 5 fs can be achieved by using either a prism/grating or a prism/chirped mirror compressor.

Original languageEnglish
Pages (from-to)10-11
Number of pages2
JournalConference Proceedings - Lasers and Electro-Optics Society Annual Meeting-LEOS
Publication statusPublished - Jan 1 1997
EventProceedings of the 1997 Conference on Lasers and Electro-Optics, CLEO - Baltimore, MD, USA
Duration: May 18 1997May 23 1997

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

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