Abstract
Efficiently transducing microwave signals into optical signals is one of the major demands in modern telecommunication. Electro-optical crystals hosting optical whispering gallery modes incorporated in a properly designed microwave cavity emerge as a promising candidate towards much more efficient microwave-to-light transducer [1, 2]. Here, we propose to use a ferroelectric crystal close to its paraelectric-ferroelectric phase transition temperature to take advantage of its large relative permittivity due to the softened optical phonon mode, which may further enhance the electro-optic coupling.
© 2017 IEEE
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