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Research Article
Pintu Kumar
NIT Patna: National Institute of Technology Patna
Corresponding Author
ORCiD: https://orcid.org/0000-0002-7397-758X
License:
This work is licensed under a CC BY 4.0 License. Read Full License
Optical properties of the fundamental hybrid mode of hybrid insulator-metal-insulator plasmonic waveguide (HIMIPW), consists of insulator-metal-insulator sandwiched between two dielectric waveguides, have been investigated to achieve the relatively high propagation length and large normalized intensity at 1.55 µm working wavelength. The main aim of the current work is to settle the issues of high power loss and size of waveguide dimension. The optimum waveguide dimension of 0.2 µm × 0.02 µm has been obtained propagation length around 289.26 µm. The normalized intensity in the low-index region of the HIMIPW has been achieved around 67.50 , due to the electric field enhancement in this region. It is beneficial for the design of bio-sensing, optical manipulations, etc. The electric field intensity has been attained highest values at wavelength 1.55 µm for the optimum dimension of the HIMIPW ( = 0.2 µm, and ), due to highly localized surface plasmon resonance at the metal-dielectric interfaces. The investigation of the coupling length between the two identical parallel HIMIPWs with a separation distance has been done. Further to improve the coupling length, a metallic strip has been inserted between them, keeping the separation distance unchanged. The higher coupling length leads to lower crosstalk between two parallel hybrid plasmonic waveguides, which can be highly useful to achieve the larger integration over the photonic chip.
Keywords
Surface wave, Hybrid plasmonic waveguide, Propagation loss, Crosstalk, Photonic integrated circuits
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Posted 04 Mar, 2021
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Reviewers invited
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Editorial decision: Major revisions
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This preprint is under consideration at Silicon. A preprint is a preliminary version of a manuscript that has not completed peer review at a journal. Research Square does not conduct peer review prior to posting preprints. The posting of a preprint on this server should not be interpreted as an endorsement of its validity or suitability for dissemination as established information or for guiding clinical practice.
Learn more about In Review
Research Article
Pintu Kumar
NIT Patna: National Institute of Technology Patna
Corresponding Author
ORCiD: https://orcid.org/0000-0002-7397-758X
Badges
Prescreen
This manuscript passed our Prescreen assessment
Complete author information
Appropriate declaration statements
Potential risks to human health
Prescreen
Peer Review Timeline
CURRENT STATUS: Under Review
Version 1
Posted 04 Mar, 2021
No community comments so far
Reviewers invited
Invitations sent on 21 Feb, 2021
Editor assigned
On 21 Feb, 2021
Reviews received
Received 21 Feb, 2021
First submitted
On 17 Feb, 2021
Editorial decision: Major revisions
On 03 Jan, 2021
Metrics
Comments: 0
PDF Downloads: ...
HTML Views: ...
Subject Areas
Electrophysics
License:
This work is licensed under a CC BY 4.0 License. Read Full License
Optical properties of the fundamental hybrid mode of hybrid insulator-metal-insulator plasmonic waveguide (HIMIPW), consists of insulator-metal-insulator sandwiched between two dielectric waveguides, have been investigated to achieve the relatively high propagation length and large normalized intensity at 1.55 µm working wavelength. The main aim of the current work is to settle the issues of high power loss and size of waveguide dimension. The optimum waveguide dimension of 0.2 µm × 0.02 µm has been obtained propagation length around 289.26 µm. The normalized intensity in the low-index region of the HIMIPW has been achieved around 67.50 , due to the electric field enhancement in this region. It is beneficial for the design of bio-sensing, optical manipulations, etc. The electric field intensity has been attained highest values at wavelength 1.55 µm for the optimum dimension of the HIMIPW ( = 0.2 µm, and ), due to highly localized surface plasmon resonance at the metal-dielectric interfaces. The investigation of the coupling length between the two identical parallel HIMIPWs with a separation distance has been done. Further to improve the coupling length, a metallic strip has been inserted between them, keeping the separation distance unchanged. The higher coupling length leads to lower crosstalk between two parallel hybrid plasmonic waveguides, which can be highly useful to achieve the larger integration over the photonic chip.
Figure 1
Figure 2
Figure 3
Figure 4
Figure 5
Figure 6
Figure 7
Figure 8
Figure 9
Figure 10
Figure 11
Figure 12
Figure 13
This preprint is available for download as a PDF.
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