Exceptional electro-optic properties through molecular design and controlled self-assembly

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

doi:10.1117/12.620806

18 August 2005 Exceptional electro-optic properties through molecular design and controlled self-assembly

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

Author Affiliations +

Proceedings Volume 5935, Linear and Nonlinear Optics of Organic Materials V; 593506 (2005) https://doi.org/10.1117/12.620806
Event: Optics and Photonics 2005, 2005, San Diego, California, United States

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.

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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, and Warren Herman "Exceptional electro-optic properties through molecular design and controlled self-assembly", Proc. SPIE 5935, Linear and Nonlinear Optics of Organic Materials V, 593506 (18 August 2005); https://doi.org/10.1117/12.620806

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