Achieving polarization control by utilizing electromagnetically induced transparency based on metasurface

Gao, Cheng‐Jing; Sun, Yuan‐Zhe; Dong, Hanqing; Zhang, Haifeng

doi:10.1080/17455030.2022.2075955

Cited by 3 publications

(1 citation statement)

References 62 publications

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“…As a composite material, MMs can increase performance and achieve multi-functional applications through their 'beyond nature' characteristics [11]. MMs have thus generated a rapidly growing field of research in the last decade and have been applied to perfect absorption [12], invisibility cloak [13], negative refractive index [14], electromagnetically induced transparency (EIT) [15], and more [16]. In addition, metastructures [17], epsilon-near zero MMs have emerged [18], and the use of nanoparticles allows the preparation of epsilon-negative metamaterials [19] as well as promises to help characterize MMs [20].…”

Section: Introductionmentioning

confidence: 99%

Dual-band electromagnetically induced transparency terahertz metamaterial based on U-like resonator and metallic cut wire for sensing application

Duan

Wang

et al. 2023

Eng. Res. Express

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In this paper, a new scheme for dual-band terahertz electromagnetically induced transparency (EIT) is reported using a simple metamaterial structure, whose surface structure is composed of periodically arranged U-like resonator and metallic cut wire. Two EIT peaks located at 0.65 THz and 1.26 THz with an average transmission intensity of greater than 93% are realized, the formation mechanism of two transparent peaks is mainly attributed to the coupling of bright-bright mode, which is verified by their near-field distributions. Structure parameter changes of metamaterial provide a great ability to regulate and control the performance of two transparent peaks. Interestingly, by replacing the lower baseline of U-like resonator with vanadium dioxide (VO2), the designed metamaterial can dynamically tune the number of EIT peaks. It is revealed that dual-band transparency could be actively converted to single-band transparency by merely varying the properties of VO2 from metallic state to insulating state without changing the structure complexity, and the maximum amplitude modulation depth could reach 93.1%. Further application of designed metamaterial related to sensing is discussed. The designed metamaterial with these excellent features could pave the way for the applications of terahertz technology-related fields.

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Section: Introductionmentioning

confidence: 99%

Dual-band electromagnetically induced transparency terahertz metamaterial based on U-like resonator and metallic cut wire for sensing application

Duan

Wang

et al. 2023

Eng. Res. Express

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If AI machine cannot think, can QI machine think?—from negative numbers to quantum intelligence for mind-light-matter unity

Zhang

2023

Quantum Mach. Intell.

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Global Realism with Bipolar Strings: From Bell Test to Real-World Causal-Logical Quantum Gravity and Brain-Universe Similarity for Entangled Machine Thinking and Imagination

Zhang

2024

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Following Einstein’s prediction that “Physics constitutes a logical system of thought” and “Nature is the realization of the simplest conceivable mathematical ideas”, this topical review outlines a formal extension of local realism limited by the speed of light to global realism with bipolar strings (GRBS) that unifies the principle of locality with quantum nonlocality. The related literature is critically reviewed to justify GRBS which is shown as a necessary and inevitable consequence of the Bell test and an equilibrium-based axiomatization of physics and quantum information science for brain–universe similarity and human-level intelligence. With definable causality in regularity and mind–light–matter unity for quantum superposition/entanglement, bipolar universal modus ponens (BUMP) in GRBS makes quantum emergence and submergence of spacetime logically ubiquitous in both the physical and mental worlds—an unexpected but long-sought simplification of quantum gravity with complete background independence. It is shown that GRBS forms a basis for quantum intelligence (QI)—a spacetime transcendent, quantum–digital compatible, analytical quantum computing paradigm where bipolar strings lead to bipolar entropy as a nonlinear bipolar dynamic and set–theoretic unification of order and disorder as well as linearity and nonlinearity for energy/information conservation, regeneration, and degeneration toward quantum cognition and quantum biology (QCQB) as well as information-conservational blackhole keypad compression and big bang data recovery. Subsequently, GRBS is justified as a real-world quantum gravity (RWQG) theory—a bipolar relativistic causal–logical reconceptualization and unification of string theory, loop quantum gravity, and M-theory—the three roads to quantum gravity. Based on GRBS, the following is posited: (1) life is a living bipolar superstring regulated by bipolar entropy; (2) thinking with consciousness and memory growth as a prerequisite for human-level intelligence is fundamentally mind–light–matter unitary QI logically equivalent to quantum emergence (entanglement) and submergence (collapse) of spacetime. These two posits lead to a positive answer to the question “If AI machine cannot think, can QI machine think?”. Causal–logical brain modeling (CLBM) for entangled machine thinking and imagination (EMTI) is proposed and graphically illustrated. The testability and falsifiability of GRBS are discussed.

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Achieving polarization control by utilizing electromagnetically induced transparency based on metasurface

Cited by 3 publications

References 62 publications

Dual-band electromagnetically induced transparency terahertz metamaterial based on U-like resonator and metallic cut wire for sensing application

Dual-band electromagnetically induced transparency terahertz metamaterial based on U-like resonator and metallic cut wire for sensing application

If AI machine cannot think, can QI machine think?—from negative numbers to quantum intelligence for mind-light-matter unity

Global Realism with Bipolar Strings: From Bell Test to Real-World Causal-Logical Quantum Gravity and Brain-Universe Similarity for Entangled Machine Thinking and Imagination

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