title: Core-modified expanded porphyrins with large third-order nonlinear optical response.
abstract: The third-order nonlinear optical response through measurement of two-photon absorption cross-sections (TPACS) for aromatic core-modified expanded porphyrin analogues by a femtosecond open aperture Z-scan method is reported. The values reported here are among the largest known so far in the literature for any organic molecules.
authors.affiliation: Department of Chemistry, Indian Institute of Technology, Kanpur 208 106, India.
authors.forename: Harapriya
authors.initials: H
authors.lastname: Rath
authors.forename: Jeyaraman
authors.initials: J
authors.lastname: Sankar
authors.forename: Viswanathan
authors.initials: V
authors.lastname: Prabhuraja
authors.forename: Tavarekere K
authors.initials: TK
authors.lastname: Chandrashekar
authors.forename: Amit
authors.initials: A
authors.lastname: Nag
authors.forename: Debabrata
authors.initials: D
authors.lastname: Goswami
mesh_terms: D015394:Molecular Structure; D055095:Optics and Photonics; D011166:Porphyrins / Q000737:chemistry*
chemical_list: D011166:Porphyrins