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An electrooptic intensity modulator with improved linearity

热1 vickyz 添加于 2010-3-23 21:02 | 2398 次阅读 | 0 个评论

作者
Farwell ML, Lin Z-Q, Wooten E, Chang WSC
摘要
A highly linear electrooptic modulator has been designed, fabricated, and evaluated. The design of this modulator consists of only a simple modification to the directional coupler. Two-tone testing has demonstrated that, for an optical modulation depth of 30% per channel, the third-order intermodulation distortion is more than 30 dB lower than that of the conventional directional coupler or Mach-Zehnder modulators. This improvement was not observed to be accompanied by any increase in second harmonic distortion. Also included are results of two-tone computer simulations which predict the improvement in linearity of this device for a range of modulation depths.
详细资料
- 文献种类: Journal Article
- 期刊名称: IEEE Photonics Technology Letters
- 期刊缩写: IEEE Photon. Technol. Lett.
- 期卷页: 第3卷第9期 792-795页
- ISBN: 1041-1135
学科领域信息系统 » 电子通信
标签

Analog Photonics 3rd-order intermodulation suppression
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Suppress the 3rd order sidebands by adjust the direction bias of a Z-cut MZM

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