Photonic crystal slot nanobeam slow light waveguides for refractive index sensing

被引：99
|
作者：
Wang, Bowen [1 ,2 ]
Dundar, Mehmet A. [1 ]
Notzel, Richard [1 ]
Karouta, Fouad [1 ]
He, Sailing [2 ]
van der Heijden, Rob W. [1 ]
机构：
[1] Eindhoven Univ Technol, COBRA Res Inst, NL-5600 MB Eindhoven, Netherlands
[2] Zhejiang Univ, KTH ZJU Joint Res Ctr Photon JORCEP, Ctr Opt & Electromagnet Res, Hangzhou 310058, Zhejiang, Peoples R China
来源：
APPLIED PHYSICS LETTERS | 2010年 / 97卷 / 15期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1063/1.3497296
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We present the design, fabrication, and photoluminescence experiment of InGaAsP photonic crystal slot nanobeam slow light waveguides with embedded InAs quantum dots. The strong confinement of electric field in the slot region is confirmed by the measured record high sensitivity of 7 x 10(2) nm per refractive index unit (RIU) to the refractive index change of the environment. A cavity, formed by locally deflecting the two beams toward each other, gives an even higher sensitivity of about 9 x 10(2) nm/RIU. (C) 2010 American Institute of Physics. [doi:10.1063/1.3497296]
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页数：3
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