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High-optical-quality blends of anionic polymethine salts and polycarbonate with enhanced third-order non-linearities
Zhong'an Li1, Yang Liu, Hyeongeu Kim
1Department of Materials Science and Engineering, University of Washington, Seattle, Washington 98195, USA.
Advanced Materials (Deerfield Beach, Fla.)
|July 24, 2012
Abstract:
A series of anionic polymethine dyes with different aromatic counterions are prepared to improve their compatibility as guests in an amorphous polycarbonate host. When they are used as the cladding material for silicon hybrid slot waveguides, four-wave mixing wavelength conversion and two-photon absorption-based optical-power modulation are observed. Such guest-host materials may be attractive candidates for all-optical signal-processing applications.
