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
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.
引用
收藏
页码:1471 / 1473
页数:3
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