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Single-cycle pulse compression in dense resonant media
Author(s) -
Р. М. Архипов,
М. В. Архипов,
Ayhan Demircan,
Uwe Morgner,
Ihar Babushkin,
N. N. Rosanov
Publication year - 2021
Publication title -
optics express
Language(s) - Uncategorized
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.419862
Subject(s) - attosecond , optics , pulse compression , extreme ultraviolet , physics , pulse (music) , nonlinear optics , pulse shaping , ultrashort pulse , pulse duration , bandwidth limited pulse , self phase modulation , laser , materials science , telecommunications , radar , detector , computer science
We propose here a new approach for compression and frequency up-conversion of short optical pulses in the regime of extreme nonlinear optics in optically dense absorbing media, providing an alternative route to attosecond-scale pulses at high frequencies. This method is based on dynamics of self-induced transparency (SIT) pulses of nearly single cycle duration, leading to single-cycle-scale Rabi oscillations in the medium. The sub-cycle components of an incident pulse behave as separate SIT-pulses, approaching each other and self-compressing, resulting in the threefold compression in time and frequency up-conversion by the same factor. As we show, the scheme can be cascaded, staying at the subsequent stage with nearly the same compression and up-conversion ratio. In this way, as our simulations show, after only few micrometers of propagation, a 700 nm wavelength single cycle pulse can be compressed to a pulse of 200 attoseconds duration located in XUV frequency range.

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