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Efficient second-harmonic generation of ultrafast pulses in periodically poled
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10.1063/1.1835557
/content/aip/journal/apl/85/24/10.1063/1.1835557
http://aip.metastore.ingenta.com/content/aip/journal/apl/85/24/10.1063/1.1835557
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Calculated QPM SHG period as a function of fundamental wavelength using the reported Sellmeier’s formulas (Ref. 16).

Image of FIG. 2.
FIG. 2.

Periodic domain structure after etching: Grating vector is parallel to the axis (a), and to the axis (b) with period. Low magnification was used in (c) and (d) to show the uniformity.

Image of FIG. 3.
FIG. 3.

Second-harmonic intensity vs fundamental wavelength (solid line is fitting curve).

Image of FIG. 4.
FIG. 4.

(a) SH spectrum as a function of temperature with an input pulse of 95 fs at the fundamental wavelength centered at 1518 nm; (b) autocorrelation trace of SH pulse at both GVM and QPM condition. The FWHM of 158 fs was fitted value with assuming a Gaussian shape.

Image of FIG. 5.
FIG. 5.

SH power vs input power at simultaneous QPM and GVM condition.

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/content/aip/journal/apl/85/24/10.1063/1.1835557
2004-12-09
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Efficient second-harmonic generation of ultrafast pulses in periodically poled KNbO3
http://aip.metastore.ingenta.com/content/aip/journal/apl/85/24/10.1063/1.1835557
10.1063/1.1835557
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