Role of quadratic and cubic spectral phases in ladder climbing with ultrashort pulses - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Physical Review A : Atomic, molecular, and optical physics [1990-2015] Année : 2004

Role of quadratic and cubic spectral phases in ladder climbing with ultrashort pulses

Béatrice Chatel
  • Fonction : Auteur
  • PersonId : 893035
Jérôme Degert
Bertrand Girard
  • Fonction : Auteur
  • PersonId : 830421

Résumé

Two-photon excitation of a quantum ladder system by an ultrashort chirped pulse leads to interferences in the excited-state population, between direct and sequential paths. Experimental results have been obtained in atomic sodium vapor. The presence of several intermediate and final states leads to new phenomena. The interplay between the two sequential paths leads to strongly contrasted oscillations and a large enhancement of the transition probability for precise values of the chirp. A cubic spectral phase modifies significantly the behavior of the quantum interferences and can be used to enhance the two-photon absorption rate.
Fichier non déposé

Dates et versions

hal-00008546 , version 1 (12-09-2005)

Identifiants

Citer

Béatrice Chatel, Jérôme Degert, Bertrand Girard. Role of quadratic and cubic spectral phases in ladder climbing with ultrashort pulses. Physical Review A : Atomic, molecular, and optical physics [1990-2015], 2004, 70, pp.053414. ⟨10.1103/PhysRevA.70.053414⟩. ⟨hal-00008546⟩
80 Consultations
0 Téléchargements

Altmetric

Partager

Gmail Facebook X LinkedIn More