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Second harmonic generation from precise diamond blade diced ridge waveguides

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【作者】徐慧；李子琦；逄驰；李让；李庚霖； Sh.Akhmadaliev；周生强；路庆明；贾曰辰；陈峰；

【Author】 Hui Xu;Ziqi Li;Chi Pang;Rang Li;Genglin Li;Sh.Akhmadaliev;Shengqiang Zhou;Qingming Lu;Yuechen Jia;Feng Chen;School of Physics, State Key Laboratory of Crystal Materials, Shandong University;Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University;Institute of Ion Beam and Materials Research, Helmholtz-Zentrum Dresden-Rossendorf;School of Chemistry and Chemical Engineering, Shandong University;

【通讯作者】贾曰辰;

【机构】 School of Physics State Key Laboratory of Crystal Materials Shandong University； Division of Physics and Applied Physics School of Physical and Mathematical Sciences Nanyang Technological University； Institute of Ion Beam and Materials Research Helmholtz-Zentrum Dresden-Rossendorf； School of Chemistry and Chemical Engineering Shandong University；

【摘要】 Carbon ion irradiation and precise diamond blade dicing are applied to fabricate Nd:GdCOB ridge waveguides.The propagation properties of the fabricated Nd:GdCOB waveguides are investigated through experiments and theoretical analysis.Micro-Raman analysis reveals that the NdiGdCOB crystal lattice expands during the irradiation process.Micro-second harmonic spectroscopic analysis suggests that the original nonlinear properties of the NdiGdCOB crystal are greatly enhanced within the waveguide volume.Under pulsed 1064 nm laser pumping,second harmonic generation（SHG）at 532 nm has been achieved in the fabricated waveguides.The maximum SHG conversion efficiencies are determined to be ～8.32 %·W^-1 and ～22.36 %·W^-1 for planar and ridge waveguides,respectively.更多还原

【Abstract】 Carbon ion irradiation and precise diamond blade dicing are applied to fabricate Nd:GdCOB ridge waveguides.The propagation properties of the fabricated Nd:GdCOB waveguides are investigated through experiments and theoretical analysis.Micro-Raman analysis reveals that the NdiGdCOB crystal lattice expands during the irradiation process.Micro-second harmonic spectroscopic analysis suggests that the original nonlinear properties of the NdiGdCOB crystal are greatly enhanced within the waveguide volume.Under pulsed 1064 nm laser pumping,second harmonic generation（SHG）at 532 nm has been achieved in the fabricated waveguides.The maximum SHG conversion efficiencies are determined to be ～8.32 %·W^-1 and ～22.36 %·W^-1 for planar and ridge waveguides,respectively.更多还原

【关键词】 optical waveguides； Nd:GdCOB crystal； second harmonic generation；
【Key words】 optical waveguides； Nd:GdCOB crystal； second harmonic generation；

【基金】 Project supported by the Taishan Scholars Youth Expert Program of Shandong Province;the Qilu Young Scholar Program of Shandong University, China

【文献出处】 Chinese Physics B ,中国物理B , 编辑部邮箱 ,2022年09期

【分类号】TN252;O786
【下载频次】7

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