Circularly Polarized Light Responsive Materials: Design Strategies and Applications

Advanced Materials, Journal Year: 2023, Volume and Issue: 35(49)

Published: March 19, 2023

Abstract Circularly polarized light (CPL) with the end of optical vector traveling along circumferential trajectory shows left‐ and right‐handedness, which transmits chiral information to materials via complicated CPL–matter interactions. Materials circular dichroism respond CPL illumination selectively differential outputs that can be used design novel photodetectors. Racemic or achiral compounds under go through photodestruction, photoresolution, asymmetric synthesis pathways generate enantiomeric bias activity. By this strategy, helical polymers inorganic plasmonic nanostructures are synthesized directly, their intramolecular folding subsequent self‐assembly photomodulable as well. In aggregated state liquid crystal phase, sense dynamic molecular packing is sensitive brought by CPL, enabling amplification supramolecular scale. review, application‐guided strategies CPL‐responsive aimed systematically summarized discussed. Asymmetric synthesis, resolution, property‐modulation small organic compounds, polymers, nanoparticles, assemblies crystals highlighted based on important developments during last decades. Besides, applications light–matter interactions including detection biomedical also referred.

Language: Английский

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Development of surface plasmon resonance sensor with enhanced sensitivity for low refractive index detection

Optical and Quantum Electronics, Journal Year: 2023, Volume and Issue: 55(11)

Published: Sept. 13, 2023

Language: Английский

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Circularly Polarized Light-Enabled Chiral Nanomaterials: From Fabrication to Application

Nano-Micro Letters, Journal Year: 2023, Volume and Issue: 15(1)

Published: Jan. 18, 2023

Abstract For decades, chiral nanomaterials have been extensively studied because of their extraordinary properties. Chiral nanostructures attracted a lot interest potential applications including biosensing, asymmetric catalysis, optical devices, and negative index materials. Circularly polarized light (CPL) is the most attractive source for chirality owing to its high availability, now it has used as preparation matter. In this review, recent progress in field CPL-enabled summarized. Firstly, advancements fabrication materials using circularly are described, focusing on unique strategies. Secondly, an overview driven by CPL provided, with particular emphasis phototherapy. Finally, perspective challenges given.

Language: Английский

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Reaching the efficiency limit of arbitrary polarization transformation with non-orthogonal metasurfaces

Nature Communications, Journal Year: 2024, Volume and Issue: 15(1)

Published: Aug. 6, 2024

Polarization transformation is at the foundation of modern applications in photonics and quantum optics. Notwithstanding their applicative interests, basic theoretical experimental efforts are still needed to exploit full potential polarization Here, we reveal that coherent superposition two non-orthogonal eigen-states Jones matrix can improve drastically efficiency arbitrary with respect classical orthogonal By exploiting metasurface stacking twisted configuration, have implemented a powerful termed "non-orthogonal metasurfaces", experimentally demonstrated input-output modulation reaching nearly 100% transmission broadband angle-insensitive manner. Additionally, proposed routing methodology project independent phase holograms quadruplex circular components. Our results outline paradigm achieve extremely efficient optics, multiplexing for communication information encryption microwave optical frequencies. The authors showcase general method engineer unity, taking advantage eigen-formalism circumvent limitation conventional

Language: Английский

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Tunable and responsive photonic bio‐inspired materials and their applications

Deleted Journal, Journal Year: 2024, Volume and Issue: 2(1)

Published: Feb. 1, 2024

Abstract Bio‐enabled and bio‐mimetic nanomaterials represent functional materials, which use bio‐derived materials synthetic components to bring the better of two, natural synthetic, worlds. Prospective broad applications are flexibility mechanical strength lightweight structures, adaptive photonic functions chiroptical activity, ambient processing sustainability, potential scalability along with sensing/communication abilities. Here, we summarize recent results on relevant responsive behavior under stresses, magnetic field, changing chemical environment. We focus achievements trends in tuning optical materials' properties such as light scattering, absorption reflection, emission, structural colors, birefringence, linear circular polarization for prospective biosensing, communication, encoding, fast actuation, biomedical fields, tunable appearance.

Language: Английский

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Expanding the Horizons of Machine Learning in Nanomaterials to Chiral Nanostructures

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(18)

Published: Jan. 19, 2024

Abstract Machine learning holds significant research potential in the field of nanotechnology, enabling nanomaterial structure and property predictions, facilitating materials design discovery, reducing need for time‐consuming labor‐intensive experiments simulations. In contrast to their achiral counterparts, application machine chiral nanomaterials is still its infancy, with a limited number publications date. This despite great advance development new sustainable high values optical activity, circularly polarized luminescence, enantioselectivity, as well analysis structural chirality by electron microscopy. this review, an methods used studying provided, subsequently offering guidance on adapting extending work nanomaterials. An overview within framework synthesis–structure–property–application relationships presented insights how leverage study these highly complex are provided. Some key recent reviewed discussed Finally, review captures achievements, ongoing challenges, prospective outlook very important field.

Language: Английский

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Mie-Resonant Metaphotonics

Advances in Optics and Photonics, Journal Year: 2024, Volume and Issue: 16(3), P. 539 - 539

Published: June 4, 2024

Mie-resonant metaphotonics is a rapidly developing field that employs the physics of Mie resonances to control light at nanoscale. are excited in high-refractive-index transparent nanoparticles and voids created dielectric media, they can be used achieve wide range optical effects, including enhanced light–matter interaction, nonlinear topological photonics. Here, we review recent advances metaphotonics, with focus on their applications metasurfaces. Through comprehensive multipolar analysis, demonstrate complex interplay electric magnetic multipoles govern interaction light. Recent have unveiled diverse spectrum scattering phenomena achieved within precisely engineered structures. Within this framework, underlying mechanics first second Kerker conditions describe intricate mechanisms guiding these nanostructures’ light-scattering properties. Moreover, cover intriguing such as anapole bound or quasi-bound states continuum. Of profound interest numerous practical result from revelations. Ultrafast processes, emergence nanolasers, advancements magneto-optic devices represent just fraction transformative applications.

Language: Английский

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Advances in Meta-Optics and Metasurfaces: Fundamentals and Applications

Nanomaterials, Journal Year: 2023, Volume and Issue: 13(7), P. 1235 - 1235

Published: March 30, 2023

Meta-optics based on metasurfaces that interact strongly with light has been an active area of research in recent years. The development meta-optics always driven by human’s pursuits the ultimate miniaturization optical elements, on-demand design and control beams, processing hidden modalities light. Underpinned meta-optical physics, devices have produced potentially disruptive applications manipulation ultra-light optics. Among them, metalens are most fundamental prominent meta-devices, owing to their powerful abilities advanced imaging image processing, novel functionalities manipulation. This review focuses advances fundamentals field defined excavating new physics breaking limitations In addition, we deeply explored metalenses metalens-based functionalities, computational processing. We also provide outlook this end.

Language: Английский

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Nonlinear Chiral Metasurfaces Based on the Optical Kerr Effect

Advanced Optical Materials, Journal Year: 2023, Volume and Issue: 11(10)

Published: March 10, 2023

Abstract Chiral nanostructures have immense potential for complete polarization control of light. Given the intrinsic 3D structure circularly polarized light, nanoarchitectures with structural chirality in space are usually required to achieve “full” chiroptical response. On other hand, due lack available active materials at optical wavelengths, examples chiral photonic devices that can be tuned an manner remain rare. Here, based on large Kerr nonlinearities silicon, nonlinear response from a planar Si metasurface supporting high quality ( Q )‐factor guided mode resonances (GMRs) near‐infrared numerically demonstrated. In linear regime, anisotropy C 2 ‐symmetric associated observed GMRs leads pair resonance modes, enabling pronounced cross‐polarization transmission circular dichroism and strong handedness‐dependent field enhancement effect. Owing effect, such metasurfaces seen exhibit prominent chiral‐selective nonlinearity. Importantly, co‐polarization is observed, suggesting waves regime possess asymmetric Jones matrices. Dielectric utilized facilitate polarization‐state modulators simple structures.

Language: Английский

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Chirality Supramolecular Systems: Helical Assemblies, Structure Designs, and Functions

Small, Journal Year: 2023, Volume and Issue: 20(11)

Published: Oct. 27, 2023

Abstract Chirality, as one of the most striking characteristics, exists at various scales in nature. Originating from interactions host and guest molecules, supramolecular chirality possesses huge potential design functional materials. Here, an overview recent progress structure designs functions chiral materials is present. First, three routes are summarized. Compared with template‐induced chemical synthesis strategies that depend on accurate molecular identification, twisted‐assembly technique creates through ordered stacking nanowire or films. Next, inversion amplification reviewed to explain transfer level macroscopic scale, where available external stimuli also given. Lastly, owing optical activity characteristics layer‐by‐layer structure, display excellent performances, including smart response, shape‐memorization, superior mechanical performance, applications biomedical fields. To sum up, this work provides a systematic review helical assemblies, design, systems.

Language: Английский

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