期刊
PHYSICS REPORTS-REVIEW SECTION OF PHYSICS LETTERS
卷 529, 期 4, 页码 297-398出版社
ELSEVIER
DOI: 10.1016/j.physrep.2013.04.002
关键词
Sum rules; Nonlinear optics; Scaling; Fundamental limits; Universal properties; Hyperpolarizability; Nonlinear susceptibility; Sum over states; Perturbation theory
资金
- Directorate For Engineering
- Div Of Electrical, Commun & Cyber Sys [1128076] Funding Source: National Science Foundation
Nonlinear optics is a mature field characterized by a wealth of phenomena that are well understood. The microscopic origins of these phenomena are known to be in the quantum process of light-matter interactions; yet, no general prescription is available for optimizing the nonlinear response. It is even more difficult to understand the important features of a complex system that lead to the best response. This paper reviews work on how scaling, with the use of sum rules, can be applied to identify universal properties associated with a large nonlinear-optical response. An analysis using sum rules and scaling unifies our understanding of the nonlinear-optical response of a broad class of quantum systems through the scale-invariant intrinsic nonlinearities. (C) 2013 Elsevier B.V. All rights reserved.
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