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Few-Cycle Pulses Directly from a Laser

  • Franz X. Kärtner
  • Uwe Morgner
  • Thomas Schibli
  • Richard Ell
  • Hermann A. Haus
  • James G. Fujimoto
  • Erich P. Ippen
Chapter
Part of the Topics in Applied Physics book series (TAP, volume 95)

Abstract

Advances in ultrashort-pulse laser technology have led to the generation of few-cycle optical pulses directly from oscillators at high repetition rates, in contrast to external compression schemes. In this chapter, we review the technique of mode locking to obtain few-cycle pulses and describe the major developments leading to sub-two-cycle pulse generation from a Ti:sapphire laser. The master equation approach is used in a consistent way to analyze the nonlinear dynamics of such a laser as well as the noise and tuning properties of its frequency mode comb. Control over the mode combs of a few-cycle Ti:sapphire laser and a Cr:forsterite laser enables their coherent superposition in a long-term stable arrangement. An approach toward synthesizing single-cycle pulses using this technique is presented.

Keywords

42.65-k 42.62.Eh 42.62.Fi 42.65.Ky 39.30.+w 

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Authors and Affiliations

  • Franz X. Kärtner
    • 1
  • Uwe Morgner
    • 2
  • Thomas Schibli
    • 1
  • Richard Ell
    • 2
  • Hermann A. Haus
    • 1
  • James G. Fujimoto
    • 1
  • Erich P. Ippen
    • 1
  1. 1.Massachusetts Institute of TechnologyCambridgeUSA
  2. 2.Universität KarlsruheKarlsruheGermany

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