Terahertz narrow-band filter based on rectangle photonic crystal

Lu, Yifeng; Liu, Hongjun; Sun, Qibing; Huang, Nan; Wang, Zhaolu

doi:10.1080/09500340.2015.1073808

Cited by 12 publications

(3 citation statements)

References 32 publications

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“…Thus, when light of a specific wavelength or band propagates on or perpendicular to the plane of a 2D PC, it can be applied to waveguides and optical fibers. [67,68] On the other hand, 3D PCs have great practicability, particularly in the visible light spectrum, and can be used in various fields, including decoration, anti-counterfeiting, printing, automotive coatings, and textiles. In addition, the photonic crystal structure that exhibits long-range disorder but short-range order in 3D PCs is known as the amorphous photonic crystal structure, whose color is not affected by changes in viewing angles.…”

Section: Photonic Crystalmentioning

confidence: 99%

Optical and Electrical Modulation Strategies of Photoelectrodes for Photoelectrochemical Water Splitting

Tian

Yang

et al. 2023

Small Methods

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When constructing efficient, cost‐effective, and stable photoelectrodes for photoelectrochemical (PEC) systems, the solar‐driven photo‐to‐chemical conversion efficiency of semiconductors is limited by several factors, including the surface catalytic activity, light absorption range, carrier separation, and transfer efficiency. Accordingly, various modulation strategies, such as modifying the light propagation behavior and regulating the absorption range of incident light based on optics and constructing and regulating the built‐in electric field of semiconductors based on carrier behaviors in semiconductors, are implemented to improve the PEC performance. Herein, the mechanism and research advancements of optical and electrical modulation strategies for photoelectrodes are reviewed. First, parameters and methods for characterizing the performance and mechanism of photoelectrodes are introduced to reveal the principle and significance of modulation strategies. Then, plasmon and photonic crystal structures and mechanisms are summarized from the perspective of controlling the propagation behavior of incident light. Subsequently, the design of an electrical polarization material, polar surface, and heterojunction structure is elaborated to construct an internal electric field, which serves as the driving force to facilitate the separation and transfer of photogenerated electron–hole pairs. Finally, the challenges and opportunities for developing optical and electrical modulation strategies for photoelectrodes are discussed.

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Section: Photonic Crystalmentioning

confidence: 99%

Optical and Electrical Modulation Strategies of Photoelectrodes for Photoelectrochemical Water Splitting

Tian

Yang

et al. 2023

Small Methods

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“…Graphene is one of the 2D materials that can greatly enhance localized surface plasmons due to its adjustable electrical properties [11]. Furthermore, quasi-photonic crystals as a new kind of photonic crystal have emerged [12] that are used for a variety of applications, such as waveguides [13], filters [14][15][16], and optical sensors [17]. Quasi-photonic crystals as the new class of stack layers give an extra degree of freedom for tailoring photonics and photonic bandgaps based on their spectral gaps in the frequency domain.…”

Section: Introductionmentioning

confidence: 99%

Design of High-Sensitivity Surface Plasmon Resonance Sensor Based on Nanostructured Thin Films for Effective Detection of DNA Hybridization

Ghayoor

Zangenehzadeh

Keshavarz

2022

Preprint

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With the increasing ability to control infectious diseases in developed countries, there has come the realization that genetic diseases are a major cause of disability, death, and human tragedy. Recently, Coronavirus as an epidemic, has spread worldwide and the ability to identify low concentrations and the mutations of the virus can effectively reduce the spread of the disease. In this paper, A surface plasmon resonance sensor based on nanostructured thin films and graphene as a 2D material has been designed with high sensitivity and accuracy to identify DNAbased infectious diseases such as SARS-CoV-2. The effects of different structural factors, including nanolayers thickness on the sensor’s performance are assessed through the transfer matrix method. The results demonstrated that the sensor with the Kretschmann configuration has ultra-high sensitivity (192.19 deg/RIU) and a high figure of merit (634.68 RIU -1 ).

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“…Furthermore, quasi-photonic crystals as a new kind of photonic crystal have emerged [17] that are used for a variety of applications, such as waveguides [18], filters [19][20][21], and optical sensors [22]. Quasi-photonic crystals as the new class of stack layers give an extra degree of freedom for tailoring photonics and photonic bandgaps based on their spectral gaps in the frequency domain.…”

Section: Introductionmentioning

confidence: 99%

Design of High-Sensitivity Surface Plasmon Resonance Sensor Based on Nanostructured Thin Films for Effective Detection of DNA Hybridization

2022

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As developed countries' ability to control infectious diseases increases, it has become clear that genetic diseases are a major cause of disability, death, and human tragedy. Coronavirus has recently spread throughout the world, and the capacity to detect low concentrations and virus changes can help to prevent the sickness from spreading further. In this paper, a surface plasmon resonance sensor based on nanostructured thin films and graphene as a 2D material has been designed with high sensitivity and accuracy to identify DNA-based infectious diseases such as SARS-CoV-2. The transfer matrix method assesses the effects of different structural factors, including nanolayer thickness on the sensor's performance. The results demonstrated that the sensor with the Kretschmann configuration has ultra-high sensitivity (192.19 deg/RIU) and a high figure of merit (634.68 RIU −1 ).

show abstract

Terahertz narrow-band filter based on rectangle photonic crystal

Cited by 12 publications

References 32 publications

Optical and Electrical Modulation Strategies of Photoelectrodes for Photoelectrochemical Water Splitting

Optical and Electrical Modulation Strategies of Photoelectrodes for Photoelectrochemical Water Splitting

Design of High-Sensitivity Surface Plasmon Resonance Sensor Based on Nanostructured Thin Films for Effective Detection of DNA Hybridization

Design of High-Sensitivity Surface Plasmon Resonance Sensor Based on Nanostructured Thin Films for Effective Detection of DNA Hybridization

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