Optical second harmonic generation in periodic multilayer GaAs‐Al0.3Ga0.7As structures
Optical second harmonic generation in periodic multilayer GaAs‐Al0.3Ga0.7As structures
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周期性多层 GaAs-Al0.3Ga0.7As 结构中的光学二次谐波产生
DOI:
10.1063/1.88789
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发表时间:
1976
影响因子:
4
通讯作者:
M. Ilegems
中科院分区:
文献类型:
--
作者:
J. P. Ziel;M. Ilegems
Using a tunable laser operating near 2 μm we have observed second harmonic generation in a GaAs‐Al0.3Ga0.7As multilayer. Phase matching of the backward‐traveling harmonic wave is observed and corresponds to k2=2(k1−κ) <0 where k1<κ/2 and κ is the wave vector of the periodic structure.