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Evanescent coupling in arrays of type II femtosecond laser-written waveguides in bulk -cut lithium niobate
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10.1063/1.2981801
/content/aip/journal/apl/93/10/10.1063/1.2981801
http://aip.metastore.ingenta.com/content/aip/journal/apl/93/10/10.1063/1.2981801
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Figures

Image of FIG. 1.
FIG. 1.

(a) Finite elements simulation of the extraordinary refractive index distribution in a type II array. [(b) and (c)] Corresponding calculated intensity profiles of two adjacent waveguide modes within the array. (d) Normalized integrand of Eq. (1).

Image of FIG. 2.
FIG. 2.

Femtosecond laser inscription of a type II waveguide array in bulk -cut lithium niobate. Inset: Micrograph of an array’s end facet.

Image of FIG. 3.
FIG. 3.

(a) Micrograph of the investigated type II waveguide array. Measured intensity distributions at 633 nm and according simulations for excitation of the [(b) and (c)] fifth, [(d) and (e)] first, and [(f) and (g)] second waveguides. The respective excited waveguides are marked by circles, while the dashed lines indicate the positions of the damage lines.

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/content/aip/journal/apl/93/10/10.1063/1.2981801
2008-09-11
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Evanescent coupling in arrays of type II femtosecond laser-written waveguides in bulk x-cut lithium niobate
http://aip.metastore.ingenta.com/content/aip/journal/apl/93/10/10.1063/1.2981801
10.1063/1.2981801
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