A Photonic Basis for Deriving Nonlinear Optical Response

Autor/inn/en	Andrews, David L.; Bradshaw, David S.
Titel	A Photonic Basis for Deriving Nonlinear Optical Response
Quelle	In: European Journal of Physics, 30 (2009) 2, S.239-251 (13 Seiten) PDF als Volltext Verfügbarkeit
Sprache	englisch
Dokumenttyp	gedruckt; online; Zeitschriftenaufsatz
ISSN	0143-0807
DOI	10.1088/0143-0807/30/2/002
Schlagwörter	Optics; Scientific Principles; Mathematical Formulas; Science Instruction; Energy; Quantum Mechanics; Physics; Molecular Structure; Equations (Mathematics); Graduate Study; Undergraduate Study; College Science + Suchen Sie Ihr Suchwort? Optik; Mathematische Formel; Teaching of science; Science education; Natural sciences Lessons; Naturwissenschaftlicher Unterricht; Energie; Quantenmechanik; Physik; Equations; Mathematics; Gleichungslehre; Aufbaustudium; Graduiertenstudium; Hauptstudium; Grundstudium
Abstract	Nonlinear optics is generally first presented as an extension of conventional optics. Typically the subject is introduced with reference to a classical oscillatory electric polarization, accommodating correction terms that become significant at high intensities. The material parameters that quantify the extent of the nonlinear response are cast as coefficients in a power series--nonlinear optical susceptibilities signifying a propensity to generate optical harmonics, for example. Taking the subject to a deeper level requires a more detailed knowledge of the structure and properties of each nonlinear susceptibility tensor, the latter differing in form according to the process under investigation. Typically, the derivations involve intricate development based on time-dependent perturbation theory, assisted by recourse to a set of Feynman diagrams. This paper presents a more direct route to the required results, based on photonic rather than semiclassical principles, and offers a significantly clearer perspective on the photophysics underlying nonlinear optical response. The method, here illustrated by specific application to harmonic generation and down-conversion processes, is simple, intuitive and readily amenable for processes of arbitrary photonic order. (Contains 6 tables and 5 figures.) (As Provided).
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Erfasst von	ERIC (Education Resources Information Center), Washington, DC
Update	2017/4/10