All-optical switching in silicon photonic waveguides with an epsilon-near-zero resonant cavity [Invited]

被引：0

作者：

ANDRES D.NEIRA ^{[1
]}

GREGORY A.WURTZ ^{[1
]}

ANATOLY V.ZAYATS ^{[1
]}

机构：

[1] Department of Physics, King’s College London

来源：

Photonics Research | 2018年 / 05期

基金：

欧盟地平线“2020”; 英国工程与自然科学研究理事会;

关键词：

All-optical switching in silicon photonic waveguides with an epsilon-near-zero resonant cavity;

D O I：

暂无

中图分类号：

TN25 [波导光学与集成光学];

学科分类号：

0702 ; 070207 ;

摘要：

Strong nonlinearity of plasmonic metamaterials can be designed near their effective plasma frequency in the epsilon-near-zero(ENZ) regime. We explore the realization of an all-optical modulator based on the Au nonlinearity using an ENZ cavity formed by a few Au nanorods inside a Si photonic waveguide. The resulting modulator has robust performance with a modulation depth of about 30 dB/μm and loss less than 0.8 dB for switching energies below 600 fJ. The modulator provides a double advantage of high mode transmission and strong nonlinearity enhancement in the few-nanorod-based design.

引用

页码：33 / 37

页数：5

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