Off-resonant third-order optical nonlinearities of metal-substituted phthalocyanines
- 25 September 1989
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 55 (13), 1287-1288
- https://doi.org/10.1063/1.101634
Abstract
The third-order optical susceptibility of the Pt, Pb, and metal-free tetrakis(cumylphenoxy)phthalocyanines was measured by degenerate four-wave mixing at 1.064 μm, far from strong absorption bands. Metal substitution strongly enhances the off-resonant χ(3). The χ(3)xxxx for Pt-phthalocyanine (2×10−10 esu) and Pb phthalocyanine (2×10−11esu) is about 45 times and 5 times that of the metal-free form (4×10−12 esu), respectively.Keywords
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