QUASI-PHASE-MATCHED PARAMETRIC FLUORESCENCE IN ROOM-TEMPERATURE LITHIUM TANTALATE WAVE-GUIDES

被引：13

作者：

BALDI, P ^{[1
]}

NOUH, S ^{[1
]}

ELHADI, K ^{[1
]}

DEMICHELI, M ^{[1
]}

OSTROWSKY, DB ^{[1
]}

DELACOURT, D ^{[1
]}

PAPUCHON, M ^{[1
]}

机构：

[1] THOMSON CSF,CENT RECH LAB,F-91404 ORSAY,FRANCE

来源：

OPTICS LETTERS | 1995年 / 20卷 / 13期

关键词：

D O I：

10.1364/OL.20.001471

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report what is to our knowledge the first observation of quasi-phase-matched parametric fluorescence in the 1.2-2.3-mu m region, at ambient temperature, in lithium tantalate waveguides, using a pump wavelength between 805 and 845 nm. The signal fluorescent power depends strongly on the proton concentration in the waveguide, and signals of up to 7 pW have been observed for guided pump powers of 70 mW, which is 1 order of magnitude lower than the efficiency measured with lithium niobate guides.

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页码：1471 / 1473

页数：3

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