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Proceedings Paper

Nanoscale architectural control of organic functional materials for photonics
Author(s): Jingdong Luo; Tae-Dong Kim; Hong Ma; Sen Liu; Seok-Ho Kang; Sharon Wong; Marnie A. Haller; Sei-Hum Jang; Hongxiang Li; Richard R. Barto; Curtis W. Frank; Larry Raymond Dalton; Alex K.-Y. Jen
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Paper Abstract

Recent progress in developing high-performance organic polymers for electro-optics and photonics is reviewed. A highly fluorinated hyperbranched aromatic polymer with the degree of branching around 0.51 was prepared by a mild one-step polyesterification of an AB2 type monomer. Further post-functionalization with and thermally cross-linking by aromatic trifluorovinyl ethers (TFVE) afforded thermally stable, low loss optical polymer with improved solvent resistance. By more precisely controlling the molecular nano-architecture, we have developed a series of highly fluorinated crosslinkable dendrimers. These materials possess most of the desirable properties needed for the fabrication of optical waveguides, such as high solubility in common organic solvents (up to 50 wt%), very low optical loss, and excellent thermal stability. To overcome the “nonlinearity-stability tradeoff,” a facile and reversibly crosslinkable NLO polymer system is developed that combines both advantages of high poling efficiency and good alignment thermal stability. By smartly controlling the poling and crosslinking processes through the reversible Diels-Alder (DA) reactions, it allows highly polarizable chromophores to be efficiently poled at the stage of low viscosity linear thermoplastic polymer. The resulting nonlinear optical polymer exhibits a combination of a very large r33 value (76 pm/V at 1.3 μm) and good temporal stability at 70°C.

Paper Details

Date Published: 24 November 2003
PDF: 9 pages
Proc. SPIE 5224, Nanomaterials and Their Optical Applications, (24 November 2003); doi: 10.1117/12.508356
Show Author Affiliations
Jingdong Luo, Univ. of Washington (United States)
Tae-Dong Kim, Univ. of Washington (United States)
Hong Ma, Univ. of Washington (United States)
Sen Liu, Univ. of Washington (United States)
Seok-Ho Kang, Univ. of Washington (United States)
Sharon Wong, Univ. of Washington (United States)
Marnie A. Haller, Univ. of Washington (United States)
Sei-Hum Jang, Univ. of Washington (United States)
Hongxiang Li, Univ. of Washington (United States)
Richard R. Barto, Stanford Univ. (United States)
Curtis W. Frank, Stanford Univ. (United States)
Larry Raymond Dalton, Univ. of Washington (United States)
Alex K.-Y. Jen, Univ. of Washington (United States)


Published in SPIE Proceedings Vol. 5224:
Nanomaterials and Their Optical Applications
Guozhong Cao; Younan Xia; Paul V. Braun, Editor(s)

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