Impedance-matching surface plasmon absorber for FDTD simulations

Chien Chang Chao; Sheng Han Tu; Chih Ming Wang; Hung I. Huang; Chii Chang Chen; Jenq Yang Chang

doi:10.1007/s11468-009-9114-2

Impedance-matching surface plasmon absorber for FDTD simulations

Chien Chang Chao, Sheng Han Tu, Chih Ming Wang, Hung I. Huang, Chii Chang Chen, Jenq Yang Chang

光電科學與工程學系

研究成果: 雜誌貢獻 › 期刊論文 › 同行評審

5 引文斯高帕斯（Scopus）

摘要

The perfectly matched layer (PML) can be used as an excellent boundary in the finite-difference time-domain method; however, it fails to absorb surface plasmon (SP) wave directly. In order to absorb an incident SP wave at the edge of a metal surface, an impedance-matching layer (IML) is implemented between the metal surface and the PML. A very low SP wave reflectance of -26.54 dB is achieved through the use of an IML with a length of only λ/3. The IML significantly reduces SP wave reflectance and creates a quasi-infinite regime for the purpose of SP wave propagation on the metal's surface while the acquired simulation area undergoes a slight increase.

原文	???core.languages.en_GB???
頁（從 - 到）	51-55
頁數	5
期刊	Plasmonics
卷	5
發行號	1
DOIs	https://doi.org/10.1007/s11468-009-9114-2
出版狀態	已出版 - 3月 2010

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10.1007/s11468-009-9114-2

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keywords = "Impedance-matching layer, Optical processing, Surface plasmons",

author = "Chao, {Chien Chang} and Tu, {Sheng Han} and Wang, {Chih Ming} and Huang, {Hung I.} and Chen, {Chii Chang} and Chang, {Jenq Yang}",

note = "Funding Information: Acknowledgment The authors are grateful for the financial support of this research received from the National Science Council of Taiwan, Republic of China.",

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AU - Chao, Chien Chang

AU - Tu, Sheng Han

AU - Wang, Chih Ming

AU - Huang, Hung I.

AU - Chen, Chii Chang

AU - Chang, Jenq Yang

N1 - Funding Information: Acknowledgment The authors are grateful for the financial support of this research received from the National Science Council of Taiwan, Republic of China.

PY - 2010/3

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N2 - The perfectly matched layer (PML) can be used as an excellent boundary in the finite-difference time-domain method; however, it fails to absorb surface plasmon (SP) wave directly. In order to absorb an incident SP wave at the edge of a metal surface, an impedance-matching layer (IML) is implemented between the metal surface and the PML. A very low SP wave reflectance of -26.54 dB is achieved through the use of an IML with a length of only λ/3. The IML significantly reduces SP wave reflectance and creates a quasi-infinite regime for the purpose of SP wave propagation on the metal's surface while the acquired simulation area undergoes a slight increase.

AB - The perfectly matched layer (PML) can be used as an excellent boundary in the finite-difference time-domain method; however, it fails to absorb surface plasmon (SP) wave directly. In order to absorb an incident SP wave at the edge of a metal surface, an impedance-matching layer (IML) is implemented between the metal surface and the PML. A very low SP wave reflectance of -26.54 dB is achieved through the use of an IML with a length of only λ/3. The IML significantly reduces SP wave reflectance and creates a quasi-infinite regime for the purpose of SP wave propagation on the metal's surface while the acquired simulation area undergoes a slight increase.

KW - Impedance-matching layer

KW - Optical processing

KW - Surface plasmons

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Impedance-matching surface plasmon absorber for FDTD simulations

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