Microfiber interferometer with surface plasmon-polariton involvement

被引：1

作者：

Chen, Lei ^{[1
]}

Zhang, Wei-Gang ^{[1
]}

Li, Xin-Yu ^{[1
]}

Wang, Song ^{[1
]}

Yan, Tie-Yi ^{[1
]}

Sieg, Jonathan ^{[1
]}

Han, Ya ^{[1
]}

Wang, Biao ^{[1
]}

机构：

[1] Nankai Univ, Inst Modern Opt, Minist Educ, Key Lab Opt Informat Sci & Technol, Tianjin 300071, Peoples R China

来源：

OPTICS LETTERS | 2016年 / 41卷 / 07期

基金：

中国国家自然科学基金;

关键词：

WAVE-GUIDE; FIBER; CONFINEMENT; MODULATORS; RESONANCE;

D O I：

10.1364/OL.41.001309

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We fabricated a microfiber interferometer with surface plasmon-polaritons (SPPs) involvement. Commonly, the SPPs are not involved in interference due to the mismatch momentum and ultrashort propagation distance. In this Letter, an absorber-doped microfiber is utilized for increasing the matched momentum (i.e., their modal projection), and as a result, an SPP is coherent with an end-fire methodstimulated hybrid SPP. A mathematical model is proposed for investigating the modal-projection-caused interference, and its results show that the proposed interferometer is very dependent on the polarization. Confirmation experiments were carried out, and a good agreement between theoretical predictions and experimental results was found. The proposed interferometer will potentially facilitate many SPP studies in directly related fields. (C) 2016 Optical Society of America

引用

页码：1309 / 1312

页数：4

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