Four-State Model for Three-Branch Molecule’s Two-Photon Absorption Properties

Chin. Phys. Lett.

2006, Vol. 23

Issue (5): 1154-1156 DOI:

Original Articles

Four-State Model for Three-Branch Molecule’s Two-Photon Absorption Properties

SU Yan;WANG Pei-Ji;ZHAO Peng;RONG Zhen-Yu

School of Science, Jinan University, Jinan 250022

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SU Yan, WANG Pei-Ji, ZHAO Peng et al 2006 Chin. Phys. Lett. 23 1154-1156

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Abstract We present a four-state model for calculating the two-photon absorption of multi-branched molecules by using the time-depended function method. The numerical results indicate that the two-photon absorption cross section has a strong enhancement for three-branch molecules compared to two-branch structures. The maximal two-photon-absorption cross section is 2.358×10^-47cm⁴s/photon. At the same time, the charge-transfer process for the charge-transfer states is visualized in order to explain mechanism about the maximal TPA cross section.

Keywords: 33.15.Kr 31.15.Ar

Published: 01 May 2006

PACS:	33.15.Kr	(Electric and magnetic moments (and derivatives), polarizability, and magnetic susceptibility)
	31.15.Ar

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2006/V23/I5/01154

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	SU Yan
	WANG Pei-Ji
	ZHAO Peng
	RONG Zhen-Yu

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