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Proceedings Paper

Exceptional electro-optic properties through molecular design and controlled self-assembly
Author(s): Alex Jen; Jingdong Luo; Tae-Dong Kim; Baoquan Chen; Sei-Hum Jang; Jae-Wook Kang; Neil M. Tucker; Steven Hau; Yanqing Tian; Jae-Won Ka; Marnie Haller; Yi Liao; Bruce Robinson; Larry Dalton; Warren Herman
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Paper Abstract

Recent breakthroughs in developing exceptional organic electro-optic (EO) materials are reviewed. Whole series of guest-host polymers furnished with high μβ chromophores have shown large electro-optic coefficients around 100~160 pm/V @ 1.31μm. Moreover, new generation of NLO chromophores based on pyrroline and pyrrolizine acceptors have been designed and synthesized. To go beyond the typical oriented gas model limit for poled polymers, new approach of using nanoscale architecture control and supramoleaular self-assembly has been proved as a very effective method to create a new paradigm for materials with very exciting properties. The approaches of employing Diels-Alder reactions for postfunctionalization and lattice hardening also provide a facile and reliable way to generate high-performance EO polymers and dendrimers. This type of "click" chemistry paves the way to systematically study the relationships between chromophore shape and number density, controlled self-assembly, in addition to provide the material properties needed for multi-layer device fabrication. Finally, a new generation of binary monolithic glasses has been developed that exhibit unprecedented high EO activities through careful manipulation of intricate supramolecular interactive forces for self-assembly. The results obtained from these poled binary organic glass materials (r33 as high as 310 pm/V at 1.31μm) are the highest values ever reported which are >10 times of the commercial lithium niobate crystals. The success of these material developments has recently inspired the exploration of new device concepts trying to take full advantage of the organic EO materials with ultrahigh r33 values.

Paper Details

Date Published: 18 August 2005
PDF: 13 pages
Proc. SPIE 5935, Linear and Nonlinear Optics of Organic Materials V, 593506 (18 August 2005); doi: 10.1117/12.620806
Show Author Affiliations
Alex Jen, Univ. of Washington (United States)
Jingdong Luo, Univ. of Washington (United States)
Tae-Dong Kim, Univ. of Washington (United States)
Baoquan Chen, Univ. of Washington (United States)
Sei-Hum Jang, Univ. of Washington (United States)
Jae-Wook Kang, Univ. of Washington (United States)
Neil M. Tucker, Univ. of Washington (United States)
Steven Hau, Univ. of Washington (United States)
Yanqing Tian, Univ. of Washington (United States)
Jae-Won Ka, Univ. of Washington (United States)
Marnie Haller, Univ. of Washington (United States)
Yi Liao, Univ. of Washington (United States)
Bruce Robinson, Univ. of Washington (United States)
Larry Dalton, Univ. of Washington (United States)
Warren Herman, Lab for Physical Sciences (United States)

Published in SPIE Proceedings Vol. 5935:
Linear and Nonlinear Optics of Organic Materials V
Manfred Eich, Editor(s)

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