Article (Scientific journals)
Diagrammatic theory of linear and nonlinear optics for composite systems
Noblet, Thomas; Busson, Bertrand; Humbert, Christophe
2021In Physical Review. A, 104 (6)
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Keywords :
Graphical representations; Light-matter interactions; Linear optical; Loop diagrams; Nonlinear optical process; Nonlinear process; Second orders; Second-order hyperpolarizabilities; Simple system; Third order; Atomic and Molecular Physics, and Optics
Abstract :
[en] We present a general formalism to model and calculate linear and nonlinear optical processes in composite systems, based on a graphical representation of light-matter interactions by loop diagrams associated with Feynman rules. Through this formalism, we recover the usual second-order response of a simple system by drawing four times fewer loop diagrams than doubled-sided ones. For composite systems, we introduce coupling Hamiltonians between subsystems (for example, a molecule and a substrate), graphically represented by virtual bosons. In this way, we enumerate all the diagrams describing the second-order response of the system and show how to select those relevant for the calculation of the molecular second-order hyperpolarizabilities under the influence of the substrate, including effective second-order contributions from the molecular third-order response. As it applies to all nonlinear processes and an arbitrary number of interacting partners, this representation provides a general frame for the calculation of the nonlinear response of arbitrarily complex systems.
Disciplines :
Physics
Author, co-author :
Noblet, Thomas  ;  Université de Liège - ULiège > Département de physique > Biophotonique ; Université Paris-Saclay, Cnrs, Institut de Chimie Physique, UMR8000, Orsay, France
Busson, Bertrand ;  Université Paris-Saclay, CNRS, Institut de Chimie Physique, UMR8000, Orsay, France
Humbert, Christophe ;  Université Paris-Saclay, CNRS, Institut de Chimie Physique, UMR8000, Orsay, France
Language :
English
Title :
Diagrammatic theory of linear and nonlinear optics for composite systems
Publication date :
December 2021
Journal title :
Physical Review. A
ISSN :
2469-9926
eISSN :
2469-9934
Publisher :
American Physical Society
Volume :
104
Issue :
6
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
CNRS - Centre National de la Recherche Scientifique
Université Paris-Saclay
Available on ORBi :
since 26 September 2022

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