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Proceedings Paper

Ultrastructure synthesis of special architectures for photonic applications: high-frequency electro-optic modulators and high-density optical memories
Author(s): Larry Raymond Dalton; Aaron W. Harper; Jingsong Zhu; William H. Steier; R. Salovey; J. Wu; Uzi Efron
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Paper Abstract

A major requirement for polymeric electro-optic materials is that they must possess noncentrosymmetric (roughly uniaxial) order of chromophores in the bulk material. Thermodynamic relaxation of this chromophore alignment is prevented by raising the glass- transition temperature of the polymeric materials during the electric-field poling process. This is accomplished by (1) thermal imidization of a poly(amic acid) prepolymer, (2) thermally induced chemical crosslinking of an acrylate-type prepolymer, prepared from chromophores containing differing reactive functionalities, (3) sol-gel processing of alkoxysilane- incorporated chromophores, and (4) thermosetting polyurethane/polyurea materials. Analogs of these chromophores that contain reversible photoactive moieties are attached to the surface of functionalized polystyrene and polyacrolein beads permitting the realization of room temperature persistent spectral hole burning exploiting morphology-dependent resonances. Such resonances provide the basis of wavelength coding for the development of three and four-dimensional high-density optical memories.

Paper Details

Date Published: 15 September 1995
PDF: 10 pages
Proc. SPIE 2528, Optical and Photonic Applications of Electroactive and Conducting Polymers, (15 September 1995); doi: 10.1117/12.219537
Show Author Affiliations
Larry Raymond Dalton, Univ. of Southern California (United States)
Aaron W. Harper, Univ. of Southern California (United States)
Jingsong Zhu, Univ. of Southern California (United States)
William H. Steier, Univ. of Southern California (United States)
R. Salovey, Univ. of Southern California (United States)
J. Wu, Hughes Research Labs. (United States)
Uzi Efron, Hughes Research Labs. (United States)

Published in SPIE Proceedings Vol. 2528:
Optical and Photonic Applications of Electroactive and Conducting Polymers
Sze Chang Yang; Prasanna Chandrasekhar, Editor(s)

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