Femtosecond optical characterization of nonlinear organic materials and etalon logic gates

Wayne M. Gibbons; R. P. Grasso; M. K. O'Brien; Paul J. Shannon; S. T. Sun; Valorie A. Williams; Winston Ho; Nasser Peyghambarian

doi:10.1117/12.22932

1 December 1990 Femtosecond optical characterization of nonlinear organic materials and etalon logic gates

Wayne M. Gibbons, R. P. Grasso, M. K. O'Brien, Paul J. Shannon, S. T. Sun, Valorie A. Williams, Winston Ho, Nasser Peyghambarian

Author Affiliations +

Proceedings Volume 1337, Nonlinear Optical Properties of Organic Materials III; (1990) https://doi.org/10.1117/12.22932
Event: 34th Annual International Technical Symposium on Optical and Optoelectronic Applied Science and Engineering, 1990, San Diego, CA, United States

Abstract

The femtosecond (fs) optical nonlinearities and dynamics of a guest-host organic material , 7-'[4-[ (4-hexyloxyphenyl) azo] (naphthyl) azo- (2 , 3-dihydro-l, 3-diinethyl-2--octyl) ] perimidine (DNP) doped poly (methyl inethacrylate) (PMMA) , were studied in thin film form. An all-optical NOR logic operation was demonstrated by constructing a nonlinear Fabry-Perot etalon with the guest-host material. The optical logic gate has a subpicosecond switch-on time. The switch-off time has a fast component of 4 picoseconds (ps) and slower components. Measurements of the excited state dynamics of the thin film indicate that the fast recovery is due to the electronic excited state lifetime of the DNP molecules. A contrast ratio of 1.7 between the switch-on and off states of the etalon gives a resonant nonlinearity of 6.7xlO9 cm2/kW for a 1 . 5 GW/cm2 pump intensity.

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Wayne M. Gibbons, R. P. Grasso, M. K. O'Brien, Paul J. Shannon, S. T. Sun, Valorie A. Williams, Winston Ho, and Nasser Peyghambarian "Femtosecond optical characterization of nonlinear organic materials and etalon logic gates", Proc. SPIE 1337, Nonlinear Optical Properties of Organic Materials III, (1 December 1990); https://doi.org/10.1117/12.22932

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