Analysis of subpicosecond full-switching with a symmetric Mach-Zehnder all-optical switch

被引：24

作者：

Nakamura, S

Tajima, K

机构：

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS | 1996年 / 35卷 / 11A期

关键词：

all-optical switch; ultrafast; nonlinear refractive index change; band-filling effect; semiconductor waveguide;

D O I：

10.1143/JJAP.35.L1426

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We present subpicosecond full-switching with a symmetric Mach-Zehnder all-optical switch. To the best of our knowledge, this is the fastest all-optical switching experiment with incoherent and thus realistic, efficient optical nonlinearities. We discuss various factors which possibly limit the switching speed. Present switching speed is determined only by the rise time of interband carrier excitation. Our analysis suggests that by reducing the duration of the control pulse, raster switching in the range from 100 to 200 fs can be expected, in which control pulse broadening due to group velocity dispersion is the dominant limitation.

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收藏

页码：L1426 / L1429

页数：4

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