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Ultrafast laser inscription of bistable and reversible waveguides in strontium barium niobate crystals
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10.1063/1.3429584
/content/aip/journal/apl/96/19/10.1063/1.3429584
http://aip.metastore.ingenta.com/content/aip/journal/apl/96/19/10.1063/1.3429584
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) Optical transmission image of the laser induced modified track generated with a pulse energy of 648 nJ. The spatial extent of the damage region and of the heat affected zone are indicated. Near field spatial distribution of 980 nm waveguide modes obtained for (b) ordinary and (c) extraordinary polarizations, with the heat affected zone shown, for comparison, by the dashed ellipse.

Image of FIG. 2.
FIG. 2.

Near-field spatial distribution of the 980 nm waveguide modes obtained for extraordinary (top) and ordinary (bottom) polarizations at three different temperatures corresponding to the ferroelectric phase, to the ferro-to-para PhT and to the paraelectric phase. The extent of the heat affected zone is shown schematically by the dashed ellipse.

Image of FIG. 3.
FIG. 3.

Temperature dependence of the (a) extraordinary and (b) ordinary waveguide mode intensity. The temperature dependence of the average mode size of the extraordinary mode is shown in (c). In each case, the red and blue data correspond to heating and cooling procedures. The dashed line indicates the PhT temperature.

Image of FIG. 4.
FIG. 4.

Near field spatial distribution of the 980 nm waveguide modes obtained for extraordinary (top) and ordinary (bottom) polarizations at three different temperatures corresponding to the ferroelectric phase, to the ferro-to-para PhT and to the paraelectric phase. The extension of the heat affected zone is schematically shown. In this case fematosecond pulses were incident parallel to the -axis.

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/content/aip/journal/apl/96/19/10.1063/1.3429584
2010-05-11
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Ultrafast laser inscription of bistable and reversible waveguides in strontium barium niobate crystals
http://aip.metastore.ingenta.com/content/aip/journal/apl/96/19/10.1063/1.3429584
10.1063/1.3429584
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