Electro-optic polymers in communications and sensing applications promise new solutions to sector-level challenges.KAREN LIU, CORY PECINOVSKY, AND MICHAEL LEBBY, LIGHTWAVE LOGIC INC.The search is on for new building blocks to increase the speed of optoelectronic components and decrease electrical power consumption. High-performance electro-optic (EO) materials have matured commercially1 and have the potential to offer solutions. These polymer-engineered materials are naturally fast, are highly responsive to electric fields, can be added to integration semiconductor platforms such as silicon photonics or indium phosphide (InP), or can be used on their own in a packaged polymer chip. 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