Femtosecond pulse amplification by coherent addition in a passive optical cavity

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122 Scopus citations


By simultaneously controlling repetition and carrier frequencies, one can achieve the phase coherent super-position of a collection of successive pulses from a mode-locked laser. An optical Cavity can be used for coherent delay and constructive interference of sequential pulses until a cavity dump is enabled to switch out the amplified pulse. This approach will lead to an effective amplification process through decimation of the original pulse rate while the overall coherence from the oscillator is preserved. Detailed calculations show the limiting effects of intracavity dispersion and indicate that enhancement of sub-100-fs pulses to microjoule energies is experimentally feasible.

Original languageEnglish (US)
Pages (from-to)1848-1850
Number of pages3
JournalOptics letters
Issue number20
StatePublished - Oct 15 2002

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics


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