13 Result(s)
within
Chung-Ting Chou Chao
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Article
A Simple Structure of High Sensitivity of Plasmonic Photonic Crystal Fiber Sensors with Minimal Air Hole Density in Fiber Cladding
Surface plasmon resonance (SPR)-based photonic crystal fiber (PCF) sensors have advanced significantly in recent years, yet many proposed sensors suffer from low sensitivity or complex fabrication processes th...
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Article
Designing a Broadband Terahertz Metamaterial Absorber Through Bi-Layer Hybridization of Metal and Graphene
This study proposes a broadband metamaterial absorber that integrates metal and graphene metasurfaces sandwiched with dielectric spacers to create a cavity resonant effect. The structure comprises a gold-based...
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Article
High Sensitivity of Metasurface-Based Five-Band Terahertz Absorber
In this paper, we present a simple design of a sensing scheme based on a plasmonic metamaterial absorber operating at THz frequencies. The unit cell of the designed structure consists of a gold (Au) cross-bar-...
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Article
Near- and Mid- Infrared Quintuple-Band Plasmonic Metamaterial Absorber
In nanophotonic devices, the absorption of electromagnetic waves plays a critical role. Attempting to achieve narrowband absorption with multiple operating wavelengths, particularly in the near- and mid-infrar...
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Article
Tunable Multiple Fano Resonance Plasmonic Nanosensor with an Oblique Path in a Pentagonal-Ring-Shaped Resonator
Multiple-mode Fano resonance-based plasmonic sensors are required and face a challenge in the wavelength range of visible/near-infrared/mid-infrared. This article proposes a multimode Fano resonance-based sens...
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Article
Open AccessBreaking the Symmetry of a Metal–Insulator–Metal-Based Resonator for Sensing Applications
This article designed a novel multi-mode plasmonic sensor based on a metal–insulator–metal waveguide side-coupled to a circular-shaped resonator containing an air path in the resonator. The electromagnet field...
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Article
Open AccessEnhanced photoluminescence and shortened lifetime of DCJTB by photoinduced metal deposition on a ferroelectric lithography substrate
The photodeposition of metallic nanostructures onto ferroelectric surfaces could enable new applications based on the assembly of molecules and patterning local surface reactivity by enhancing surface field in...
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Article
Open AccessA multichannel color filter with the functions of optical sensor and switch
This paper reports a multichannel color filter with the functions of optical sensor and switch. The proposed structure comprises a metal–insulator–metal (MIM) bus waveguide side-couples to six circular cavitie...
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Article
Open AccessSignificantly enhanced coupling effect and gap plasmon resonance in a MIM-cavity based sensing structure
Herein, we design a high sensitivity with a multi-mode plasmonic sensor based on the square ring-shaped resonators containing silver nanorods together with a metal–insulator-metal bus waveguide. The finite ele...
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Article
Enhancing plasmonic effect in periodic nanometal square prisms with fences and cavities for refractive index and temperature sensing applications
This paper investigates the enhancing plasmonic effect of periodic arrays of silver-shell square prisms employing a three-dimensional finite element method for refractive index and temperature sensing applicat...
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Article
Plasmonic effects in composite metal nanostructures for sensing applications
We have investigated numerically the plasmonic effect on a two-dimensional periodic array of metallic nanostructures. The unit cell of the array has an Ag nanosphere and nanorod pair formed in a single structu...
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Article
Open AccessSimultaneous realization of high sensing sensitivity and tunability in plasmonic nanostructures arrays
A plasmonic nanostructure (PNS) which integrates metallic and dielectric media within a single structure has been shown to exhibit specific plasmonic properties which are considered useful in refractive index ...
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Article
Open AccessTunable Optical Performances on a Periodic Array of Plasmonic Bowtie Nanoantennas with Hollow Cavities
We propose a design method to tune the near-field intensities and absorption spectra of a periodic array of plasmonic bowtie nanoantennas (PBNAs) by introducing the hollow cavities inside the metal nanostructu...
