Abstract:We analyze interference processes in atomic ionization induced by a two-color laser with fundamental frequency ω and its second harmonic 2ω. The interplay between inter-and intracycle interference processes give rise to multiphoton peaks which can be named as main or ATI peaks and sidebands, in analogy to the well-known RABBIT (reconstruction of attosecond harmonic beating by interference of two-photon transitions). We use the saddle point approximation (SPA) to extract the complex ionization times of the inte… Show more
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