Integrated optical Mach-Zehnder modulator based on polycrystalline BaTiO3

被引:40
作者
Petraru, A [1 ]
Schubert, J [1 ]
Schmid, M [1 ]
Trithaveesak, O [1 ]
Buchal, C [1 ]
机构
[1] Forschungszentrum Julich, ISG1, IT,Inst Schichten & Grenzflachen, D-52425 Julich, Germany
关键词
D O I
10.1364/OL.28.002527
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Good-quality polycrystalline BaTiO3 thin films are deposited on MgO substrates by pulsed laser deposition. The deposition parameters are optimized to achieve optical-quality films with an attenuation coefficient of 4 dB/cm at the 633-nm wavelength. Thin-film electro-optic Mach-Zehnder modulators are fabricated with standard lithography and ion-beam etching. The waveguides patterned by lithography are the ridge type, and they ensure single-mode propagation in the wavelength range of 633 - 1550 nm. An electro-optic coefficient of 22 pm/V is estimated for the polycrystalline BaTiO3 films. (C) 2003 Optical Society of America.
引用
收藏
页码:2527 / 2529
页数:3
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