Second-harmonic generation based on quasi-phase matching: A novel configuration

被引:40
作者
Ding, YJJ
Khurgin, JB
机构
[1] BOWLING GREEN STATE UNIV,CTR MAT SCI,BOWLING GREEN,OH 43403
[2] BOWLING GREEN STATE UNIV,CTR PHOTOCHEM SCI,BOWLING GREEN,OH 43403
[3] JOHNS HOPKINS UNIV,DEPT ELECT & COMP ENGN,BALTIMORE,MD 21218
关键词
D O I
10.1364/OL.21.001445
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We consider the possibility of generating second-harmonic radiation by the interaction of two counterpropagating fundamental waves in a quasi-phase-matched second-order nonlinear medium in a waveguide. The conversion efficiency reaches a maximum at an optimum pump intensity. For a large range of pump intensities below a certain pump intensity the efficiency is larger than that for the copropagating configuration. The saturation intensities at which the efficiency reaches 72% for poled KTiOPO4 and LiNbO3 can be achieved with lasers now available. (C) 1996 Optical Society of America
引用
收藏
页码:1445 / 1447
页数:3
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