Self-Induced Second-Harmonic and Sum-Frequency Generation from Interfacial Engineered Er3+/Fe3+ Doped LiNbO3 Single Crystal via Femtosecond Laser Ablation
Self-Induced Second-Harmonic and Sum-Frequency Generation from Interfacial Engineered Er3+/Fe3+ Doped LiNbO3 Single Crystal via Femtosecond Laser Ablation
复制标题
通过飞秒激光烧蚀从界面工程 Er3 /Fe3 掺杂 LiNbO3 单晶产生自感二次谐波和和频
DOI：
10.1021/acsphotonics.8b00927
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发表时间：
2018-10
期刊：
影响因子：
7
通讯作者：
Zhao Hua
中科院分区：
文献类型：
--
作者：
Xu Long;Xu Caixia;Sun Haibin;Zeng Tao;Zhang Jingwen;Zhao Hua
采用飞秒激光烧蚀法制备了1 mol % Er3+和0.07 mol % Fe3+掺杂的界面工程LiNbO3单晶。在980 nm的连续波激光激发下，在391、487、582和762 nm处产生了有效的自激二次谐波和和频发射峰，并伴有典型的上转换光谱。分析了显著的散射效应和局域化效应是导致二次谐波和和频产生的两个主要因素。此外，在1064 nm的纳秒激光照射下，还产生了以534.6和532.0 nm为中心的纳秒次谐波激光发射峰，半峰全宽约为0.77 nm。结果表明，随着抽运激光能量的增加，532.0 nm处的发射峰出现了明显的模态竞争。这些发现可能对……
An interfacial engineered 1 mol % Er3+ and 0.07 mol % Fe3+ doped LiNbO3 single crystal was prepared by processing its surface into periodic rectangular arrays under femtosecond laser ablation. We demonstrated effective self-induced second-harmonic and sum-frequency generation emission peaks at 391, 487, 582, and 762 nm excited by a continuous wave laser at 980 nm, which were accompanied by the typical upconversion spectrum. Significant scattering and localization effects were analyzed as two main factors that contributed to the second-harmonic and sum-frequency generations. In addition to these observations, nanosecond second-harmonic laser emission peaks centered at 534.6 and 532.0 nm with a full width at half-maximum of approximately 0.77 nm were also generated under nanosecond laser illumination at 1064 nm. The obvious laser mode competition between these two emission peaks was investigated, and finally, the peak at 532.0 nm won with the increase of the pumping laser energy. These findings may play a v...
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影响因子：
4
作者：
Sahin, R.;Simsek, E.;Akturk, S.
通讯作者：
Akturk, S.
影响因子：
2.5
作者：
MARTINEZ, OE
通讯作者：
MARTINEZ, OE
影响因子：
4
作者：
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影响因子：
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作者：
Consoli A;López C
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影响因子：
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作者：
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通讯作者：
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