Interpretation of the spectrally resolved far field of femtosecond pulses propagating in bulk nonlinear dispersive media | Zendy

M. Kolesík | Zendy; E. M. Wright | Zendy; Jerome V. Moloney | Zendy

Open Access

Interpretation of the spectrally resolved far field of femtosecond pulses propagating in bulk nonlinear dispersive media

Author(s) -

M. Kolesík,

E. M. Wright,

Jerome V. Moloney

Publication year - 2005

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/opex.13.010729

Subject(s) - femtosecond , optics , physics , spectral line , nonlinear system , field (mathematics) , nonlinear optics , near and far field , four wave mixing , mixing (physics) , pulse (music) , computational physics , laser , quantum mechanics , mathematics , pure mathematics , detector

It has previously been realized that angle-resolved spectra (or far-field spectra) reflect in detail the complex dynamics of femtosecond pulses propagating in nonlinear dispersive media [J. Opt. Soc. Am. B 22, 862 (2005)], and thus represent a potentially useful experimental diagnostic tool. In this paper we extend an effective three-wave mixing approach previously applied to nonlinear X-waves [Phys. Rev. Lett. 92, 253901 (2004)] to the analysis of far-field spectra. Theoretical justification for the approach is presented, and a practical method is proposed that makes it possible to interpret all features of far-field spectra, and to extract quantitative information about the underlying intra-pulse dynamics.

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