3RD-ORDER NONLINEAR-OPTICAL PROPERTIES OF -DIHYDROXY-1,6,11,16-TETRA(TERT.BUTYL)PORPHYRAZINE GERMANIUM THIN-FILMS

Authors
NALWA HS ENGEL MK HANACK M PAWLOWSKI G
Citation
Hs. Nalwa et al., 3RD-ORDER NONLINEAR-OPTICAL PROPERTIES OF -DIHYDROXY-1,6,11,16-TETRA(TERT.BUTYL)PORPHYRAZINE GERMANIUM THIN-FILMS, Applied physics letters, 71(15), 1997, pp. 2070-2072
Citations number
33
Categorie Soggetti
Physics, Applied
Journal title
Applied physics letters → ACNP
ISSN journal
00036951
Volume
71
Issue
15
Year of publication
1997
Pages
2070 - 2072
Database
ISI
SICI code
0003-6951(1997)71:15<2070:3NPO->2.0.ZU;2-3
Abstract
Third-order nonlinear optical susceptibilities chi((3)) of trans-dihyd roxy-1,6,11,16-tetra-(tert. butyl) porphyrazine germanium [t-Bu(4)PazG e(OH)(2)] thin films measured by the third-harmonic generation techniq ue are reported for the first time. The chi((3))(-3 omega; omega, omeg a, omega) value as high as 1.3x10(-11) esu was observed from a dominan t three-photon resonance. The chi((3)) values of porphyrazine germaniu m derivative are analogous to metallophthalocyanines and these results imply thar axial substitution is beneficial for enhancing third-order optical nonlinearity. (C) 1997 American Institute of Physics.