Low drive voltage, broad-band LiNbO3 modulators with and without etched ridges

被引:53
作者
Burns, WK [1 ]
Howerton, MM
Moeller, RP
Krähenbühl, R
McElhanon, RW
Greenblatt, AS
机构
[1] USN, Res Lab, Washington, DC 20375 USA
[2] SFA Inc, Largo, MD 20774 USA
[3] Virginia Polytech Inst & State Univ, Blacksburg, VA 24061 USA
关键词
electrooptics; fiber optics; integrated optics; lithium niobate; modulators; optical communications; optical modulators; traveling wave optical modulators;
D O I
10.1109/50.809676
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Frequency dependent drive voltage is reported in velocity matched, packaged, Mach-Zehnder interferometers, made on Z-cut, Y-propagating LiNbO3, with and without etched ridges. Drive voltages of similar to 7 V at 40 GHz are demonstrated, with the etched ridge device showing a 1/2-1 V advantage. Microwave modeling allowed the extraction of the effects of dispersion in material properties, occurring near the acoustic resonance, on bandwidth and drive voltage.
引用
收藏
页码:2551 / 2555
页数:5
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