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Highly Efficient and Thermally Stable Electro-optic Polymer from a Smartly Controlled Crosslinking Process


  • Financial supports from the National Science Foundation (NSF-NIRT and NSF-STC) and the Air Force office of Scientific Research (AFOSR) under the MURI Center on Polymeric Smart Skins are acknowledged. Alex K.-Y. Jen thanks the Boeing-Johnson Foundation and Taedong Kim thanks the Center for Nanotechnology at the University of Washington for their support.


A nonlinear optical polymer, which is thermoreversibly crosslinkable (see Figure), has been developed to overcome the nonlinearity–stability trade-off in poled polymers. High poling efficiency has been achieved after controlled, mild lattice hardening via the Diels–Alder crosslinking reaction. The resulting material exhibits a large electro-optic coefficient (r33 = 76 pm V–1 at 1.3 μm) and excellent temporal stability.

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