Analysis and optimization of propagation losses in LiNbO3 optical waveguides produced by swift heavy-ion irradiation

被引：14
|
作者：
Jubera, M. [1 ]
Villarroel, J. [1 ]
Garcia-Cabanes, A. [1 ]
Carrascosa, M. [1 ]
Olivares, J. [2 ,3 ]
Agullo-Lopez, F. [1 ,2 ]
Mendez, A. [4 ]
Ramiro, J. B. [4 ]
机构：
[1] Univ Autonoma Madrid, Dept Fis Mat, E-28049 Madrid, Spain
[2] Univ Autonoma Madrid, Ctr Microanal Mat CMAM, E-28049 Madrid, Spain
[3] CSIC, Inst Opt, Madrid 28016, Spain
[4] Univ Politecn Madrid, Dept Aerotecnia, E-28040 Madrid, Spain
来源：
APPLIED PHYSICS B-LASERS AND OPTICS | 2012年 / 107卷 / 01期
关键词：
X-CUT LINBO3; LITHIUM-NIOBATE; BEAM IRRADIATION; IMPLANTATION; DAMAGE; GENERATION; EXCITATION;
D O I：
10.1007/s00340-012-4897-9
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The propagation losses (PL) of lithium niobate optical planar waveguides fabricated by swift heavy-ion irradiation (SHI), an alternative to conventional ion implantation, have been investigated and optimized. For waveguide fabrication, congruently melting LiNbO3 substrates were irradiated with F ions at 20 MeV or 30 MeV and fluences in the range 10(13)-10(14) cm(-2). The influence of the temperature and time of post-irradiation annealing treatments has been systematically studied. Optimum propagation losses lower than 0.5 dB/cm have been obtained for both TE and TM modes, after a two-stage annealing treatment at 350 and 375(a similar to)C. Possible loss mechanisms are discussed.
引用
收藏
页码：157 / 162
页数：6
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