Abstract
Dye-doped polymers and polymers with covalently attached nonlinear-oplical (NLO) moieties have demonstrated that large second-order susceptibilities in polymers are achievable.1–3 For practical applications, the stability of χ(2) at elevated temperatures and the ease of processing into guided wave structures are equally important and need to be addressed. Recently, it has been reported that thermally cross-linked epoxy polymers4 are stable at temperatures above 100°C. Thermally crosslinked NLO polymers, however, require several hours of high-temperature curing under a high electric field. This often leads to deterioration of the optical quality of the films.
© 1991 Optical Society of America
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