Studies of third order optical nonlinearity in iron (III) phthalocyanine μ-oxo dimers using picosecond four-wave mixing

We report on degenerate four-wave mixing studies of a set of new μ-oxo dimeric iron (III) phthalocyanine compounds excited by 532 nm picosecond pulses. The obtained figure of merit values are among the best reported so far in metallophthalocyanine systems. The excited state dynamics were probed from...

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Bibliographic Details
Published in:Optics communications 1999-07, Vol.165 (1), p.91-97
Main Authors: Philip, Reji, Ravikanth, M., Ravindra Kumar, G.
Format: Article
Language:English
Subjects:
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Nonlinear optics
Optics
Phase conjugation, optical mixing, and photorefractive effect
Phase conjugation, optical mixing
photorefractive and kerr effects
Physics
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Summary:We report on degenerate four-wave mixing studies of a set of new μ-oxo dimeric iron (III) phthalocyanine compounds excited by 532 nm picosecond pulses. The obtained figure of merit values are among the best reported so far in metallophthalocyanine systems. The excited state dynamics were probed from the time of evolution of the DFWM signal using two temporally coincident pump pulses and a delayed probe. We infer that there are at least two different timescales involved in the decay of the signal.
ISSN:0030-4018
1873-0310
DOI:10.1016/S0030-4018(99)00231-X