Coupling Between Lattice and Waveguide Modes in Semiconductor Plasmonic Crystal Lasers

Yue Ting Tsai; Yu Hsun Wu; Chu Chun Wu; Shun Tung Yen; Kuo-Jui Lin; Sheng Di Lin

doi:10.1109/JLT.2023.3286449

Coupling Between Lattice and Waveguide Modes in Semiconductor Plasmonic Crystal Lasers

Yue Ting Tsai, Yu Hsun Wu, Chu Chun Wu, Shun Tung Yen, Kuo-Jui Lin, Sheng Di Lin^*

^*Corresponding author for this work

Institute of Electronics

Research output: Contribution to journal › Article › peer-review

Abstract

Semiconductor-based plasmonic crystal lasers (PCLs) have narrow linewidth, small divergence angle, excellent thermal stability, and great potential for ultra-high-speed communications. The underlying mechanism and lasing modes for their operation is unfolded in this work. We find that the waveguide mode coupling with the surface plasmonic mode plays an essential role in the semiconductor-based PCLs. The simulation and experimental data reveal that the cooperation of the dielectric layers and the metallic nano-pillar array gives the needed resonant mode of high-quality factor. The mode coupling strength has to be properly designed to make these intriguing devices working.

Original language	English
Pages (from-to)	6558-6562
Number of pages	5
Journal	Journal of Lightwave Technology
Volume	41
Issue number	20
DOIs	https://doi.org/10.1109/JLT.2023.3286449
State	Published - 15 Oct 2023

Keywords

Mode coupling
plasmonic crystal
semiconductor lasers
waveguide mode

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10.1109/JLT.2023.3286449

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title = "Coupling Between Lattice and Waveguide Modes in Semiconductor Plasmonic Crystal Lasers",

abstract = "Semiconductor-based plasmonic crystal lasers (PCLs) have narrow linewidth, small divergence angle, excellent thermal stability, and great potential for ultra-high-speed communications. The underlying mechanism and lasing modes for their operation is unfolded in this work. We find that the waveguide mode coupling with the surface plasmonic mode plays an essential role in the semiconductor-based PCLs. The simulation and experimental data reveal that the cooperation of the dielectric layers and the metallic nano-pillar array gives the needed resonant mode of high-quality factor. The mode coupling strength has to be properly designed to make these intriguing devices working.",

keywords = "Mode coupling, plasmonic crystal, semiconductor lasers, waveguide mode",

author = "Tsai, {Yue Ting} and Wu, {Yu Hsun} and Wu, {Chu Chun} and Yen, {Shun Tung} and Kuo-Jui Lin and Lin, {Sheng Di}",

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AU - Tsai, Yue Ting

AU - Wu, Yu Hsun

AU - Wu, Chu Chun

AU - Yen, Shun Tung

AU - Lin, Kuo-Jui

AU - Lin, Sheng Di

PY - 2023/10/15

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N2 - Semiconductor-based plasmonic crystal lasers (PCLs) have narrow linewidth, small divergence angle, excellent thermal stability, and great potential for ultra-high-speed communications. The underlying mechanism and lasing modes for their operation is unfolded in this work. We find that the waveguide mode coupling with the surface plasmonic mode plays an essential role in the semiconductor-based PCLs. The simulation and experimental data reveal that the cooperation of the dielectric layers and the metallic nano-pillar array gives the needed resonant mode of high-quality factor. The mode coupling strength has to be properly designed to make these intriguing devices working.

AB - Semiconductor-based plasmonic crystal lasers (PCLs) have narrow linewidth, small divergence angle, excellent thermal stability, and great potential for ultra-high-speed communications. The underlying mechanism and lasing modes for their operation is unfolded in this work. We find that the waveguide mode coupling with the surface plasmonic mode plays an essential role in the semiconductor-based PCLs. The simulation and experimental data reveal that the cooperation of the dielectric layers and the metallic nano-pillar array gives the needed resonant mode of high-quality factor. The mode coupling strength has to be properly designed to make these intriguing devices working.

KW - Mode coupling

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KW - waveguide mode

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Coupling Between Lattice and Waveguide Modes in Semiconductor Plasmonic Crystal Lasers

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