scholarly journals High-order harmonic generation in a driven two-level atom: Periodic level crossings and three-step processes

2002 ◽  
Vol 66 (1) ◽  
Author(s):  
C. Figueira de Morisson Faria ◽  
I. Rotter
Keyword(s):  
Harmonic Generation ◽  
High Order ◽  
High Order Harmonic Generation ◽  
Level Crossings ◽  
High Order Harmonic ◽  
Level Atom

scholarly journals Describing High-Order Harmonic Generation Using Quantum Optical Models

Photonics ◽  
2021 ◽  
Vol 8 (7) ◽  
pp. 263
Author(s):  
Péter Földi ◽  
István Magashegyi ◽  
Ákos Gombköto ◽  
Sándor Varró
Keyword(s):  
Harmonic Generation ◽  
High Field ◽  
Theoretical Description ◽  
High Order ◽  
High Order Harmonic Generation ◽  
High Order Harmonic ◽  
Level Atom ◽  
Optical Generation ◽  
Optical Effects ◽  
Quantum Optical

Optical generation of high-order harmonics is a prototypical example of nonlinear light–matter interactions in the high-field regime. Quantum optical effects have recently been demonstrated to have a significant influence on this phenomenon. These findings underline the importance of understanding the dynamics of the quantized electromagnetic field during high-order harmonic generation. In the following, we discuss the challenges that are related to the theoretical description of this process and summarize the results that were obtained using the high-field, multimode generalization of well-known quantum optical models that are based on the concept of the two-level atom.

Relativistic high-order harmonic generation

2003 ◽  
Vol 50 (3-4) ◽  
pp. 375-386
Author(s):  
D. B. MilosÕeviĆ ◽  
W. Becker
Keyword(s):  
Harmonic Generation ◽  
High Order ◽  
High Order Harmonic Generation ◽  
High Order Harmonic
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