Theoretical and experimental approaches to enhanced two-photon absorption

Kenji Kamada; Koji Ohta

doi:10.1117/12.707830

7 February 2007 Theoretical and experimental approaches to enhanced two-photon absorption

Kenji Kamada, Koji Ohta

Proceedings Volume 6470, Organic Photonic Materials and Devices IX; 64700S (2007) https://doi.org/10.1117/12.707830
Event: Integrated Optoelectronic Devices 2007, 2007, San Jose, California, United States

Abstract

A selection rule for two-photon transition is considered based on the alternancy symmetry and the result is adopted to explain the experimental and calculation results of two-photon absorption (TPA) properties of two diacetylene derivatives with neutral and charged peripheral groups. The discussion successfully explains the difference in strength of the TPA bands and the existence of the higher-lying TPA states that is strongly allowed and plays a main role to the resonance enhancement of TPA.

Citation Download Citation

Kenji Kamada and Koji Ohta "Theoretical and experimental approaches to enhanced two-photon absorption", Proc. SPIE 6470, Organic Photonic Materials and Devices IX, 64700S (7 February 2007); https://doi.org/10.1117/12.707830

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