采用外加电场极化法,运用两步多次高电压脉冲触发的技术,成功地制备出均匀极化区面积为32mm×40mm、具有21个周期(Λ=27-31μm)、Z切0.5mm厚度的PPLN晶片.晶片的畴反转占空比接近50%,每一周期的大小为1.5mm×40mm,可用于大调谐范围的光参量振荡器.同时,实验给出了制备高品质PPLN晶片的高压触发脉冲的波形,其中,第一步高压触发脉冲为5μs,强度为100kV/mm,第二步高压触发脉冲宽度为50ms,强度为24kV/mm.
参考文献
| [1] | Armstrong J A;Bloembergen N;Ducuing J.Interactions between light waves in a nonlinear dielectric[J].Physical Review,1962(127):1918-1939. |
| [2] | LIME J;FijerMM;ByerRL et al.Blue light generation by frequency doubling in periodically poled lithium niobate channel waveguide[J].Electronics Letters,1989,25(11):731-732. |
| [3] | ISHIGAME Y;Suhara T;Nishihara H .LiNbO3 waveguide second harmonic-generation device phase matched with a fan-out domain-inverted grating[J].Optics Letters,1991,16(06):375-377. |
| [4] | Webjorn J;Laurell F;Arvidsson G .Blue light generated by frequency doubling of laser diode light in lithium niobate channel waveguide[J].IEEE Photonics Technology Letters,1989,1(01):136-138. |
| [5] | Haycock P W;Townsend P D .A method of poling LiNbO3 and LiTaO3 below TC[J].Applied Physics Letters,1986,48(11):698-700. |
| [6] | Yamada M;Nada N;Saitoh M et al.First-order quasi-phase-matched LiNbO3 waveguide periodically poled by applying an external field for efficient blue secondharmonic generation[J].Applied Physics Letters,1993,62(05):435-436. |
| [7] | SHEN Y H;Hu H H;Ye L H.Homogeneous poling of the large-diameter PPLN wafer by means of highvoltage electric pulse triggering[J].Proceedings of SPIE,2002(4918):72-78. |
| [8] | Fejer M.M.;Magel G.A. .Quasi-phase-matched second harmonic generation: tuning and tolerances[J].IEEE Journal of Quantum Electronics: A Publication of the IEEE Quantum Electronics and Applications Society,1992(11):2631-2654. |
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