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<http://webisa.webdatacommons.org/7448080>	<http://www.w3.org/ns/prov#value>	"waveguides using a method such as diffusion of impurities such as Ti, or ion exchange. Accordingly, the LN is a material also widely used for optical modulators utilizing the primary electro-optic effect (refer to Nishihara, Haruna, and Suhara, &quot;Optical" .