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Arri Priimagi, Keiji Ogawa, Matti Virkki, Jun-ichi Mamiya, Martti Kauranen and Atsushi Shishido High-Contrast Photoswitching of Nonlinear Optical Response in Crosslinked Ferroelectric Liquid-Crystalline Polymers Advanced Materials 24

Article first published online: 2 OCT 2012 | DOI: 10.1002/adma.201203369

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A conceptually novel materials design, based on crosslinked ferroelectric liquid-crystalline polymers, is demonstrated for efficient switching of a second-order nonlinear optical (NLO) response in the solid state. By controlling the molecular alignment of the NLO moieties through two-photon isomerization of azobenzene molecules, reversible isothermal photocontrol of second-harmonic generation is achieved with contrast of up to 20.

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