Cladding effect on hybrid plasmonic nanowire cavity at telecommunication wavelengths

Pi Ju Cheng; Chen Ya Weng; Shu Wei Chang; Tzy Rong Lin; Chung-Hao Tien

doi:10.1109/JSTQE.2012.2231404

Cladding effect on hybrid plasmonic nanowire cavity at telecommunication wavelengths

Pi Ju Cheng, Chen Ya Weng, Shu Wei Chang, Tzy Rong Lin, Chung-Hao Tien

光電工程學系

研究成果: Article › 同行評審

6 引文斯高帕斯（Scopus）

摘要

In this paper, we investigate the effect of cladding layers on a hybrid plasmonic nanowire cavity. A decent confinement factor and moderate modal loss can be achieved for lasing. Within a certain index range of the cladding layer, the fundamental hybrid plasmonic mode is well confined inside the narrow gain region and becomes the most promising lasing mode. Our results also indicate that the mirror loss can be reduced if the refractive index of the cladding layer is properly chosen. An estimated cold-cavity quality factor of 87, corresponding to a threshold gain of about 1072 cm^-1, is achievable at a cavity length of 10.13 μm for the lasing mode.

原文	English
文章編號	6373689
期刊	IEEE Journal on Selected Topics in Quantum Electronics
卷	19
發行號	3
DOIs	https://doi.org/10.1109/JSTQE.2012.2231404
出版狀態	Published - 2013

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10.1109/JSTQE.2012.2231404

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AU - Cheng, Pi Ju

AU - Weng, Chen Ya

AU - Chang, Shu Wei

AU - Lin, Tzy Rong

AU - Tien, Chung-Hao

PY - 2013

Y1 - 2013

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AB - In this paper, we investigate the effect of cladding layers on a hybrid plasmonic nanowire cavity. A decent confinement factor and moderate modal loss can be achieved for lasing. Within a certain index range of the cladding layer, the fundamental hybrid plasmonic mode is well confined inside the narrow gain region and becomes the most promising lasing mode. Our results also indicate that the mirror loss can be reduced if the refractive index of the cladding layer is properly chosen. An estimated cold-cavity quality factor of 87, corresponding to a threshold gain of about 1072 cm-1, is achievable at a cavity length of 10.13 μm for the lasing mode.

KW - Laser resonators

KW - plasmonic optics

KW - semiconductor lasers

KW - waveguides

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JO - IEEE Journal on Selected Topics in Quantum Electronics

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Cladding effect on hybrid plasmonic nanowire cavity at telecommunication wavelengths

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