Quantum Mechanics in Plasmonic Nanocavities: from Theory to Applications

Advanced Physics Research, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 12, 2025

Abstract Quantum mechanical effects in plasmonic nanocavities have attracted strong interest the last two decades, related to both their experimental realization and implementation technological applications, challenges that need be overcome theoretical modeling. This review summarizes basic theories of quantum plasmonics, its modeling strategies, material systems support it. Particularly it is focused on recent progress plasmonics based nanoparticle‐on‐mirror (NPoM) structure, i.e., nanoparticles separated from an underlying metallic substrate via ultrathin spacer, which provides elegant route toward cost‐effective fabrication a large number similar cavities. A dramatic shift research trends seen applications nano‐optics, polaritonics, chemistry, biosensing, gradually making transition fundamental, curiosity‐driven applied science.

Language: Английский

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Manipulation of Single Nanowire and its Applications

Small Methods, Journal Year: 2025, Volume and Issue: unknown

Published: March 13, 2025

Abstract Micro/nano manipulation of single nanowire has emerged as a popular direction study in the field nanotechnology, with promising applications cutting‐edge technologies such device manufacturing, medical treatment, and nanorobotics. The synthesis nanowires controllable length diameter makes them meet various micro/nano demands. As techniques have advanced, including use optical tweezers, electric magnetic fields, mechanical control, several more control methods, they demonstrated unique advantages different application fields. For instance, cell drug precision transport, nanomotors their potential development, biomedicine, manufacturing. However, extension is still its infancy. This review systematically sorts out progress discusses current research status prospects It aims to provide comprehensive reference guidance for future promote innovative technology wide range

Language: Английский

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Advancement in Colloidal Metasurfaces: Approaches for Scalable Photonic Devices

Advanced Materials Interfaces, Journal Year: 2025, Volume and Issue: unknown

Published: March 20, 2025

Abstract This perspective article addresses the potential of colloidal metasurfaces composed emitting and plasmonic nanoparticles to advance applications in nanophotonics. Leveraging synergy advanced laser interference lithography (LIL) template‐assisted self‐assembly (TASA), latest advances directed nanoparticles, enabling precise manipulation photonic properties, are presented. These methods enable improved responses, such as increased emission intensity, directional enhancement, tunable bandgaps. Key this approach is rational design nanostructures that optimize interactions between localized collective optical modes achieve synergistic improvements functionality through mechanisms surface lattice resonances (SLRs) hybridized guided mode (hGMRs). Developments metasurface design, supported by theoretical studies simulations demonstrate scalability effectiveness hybrid fabrication approach, emphasized. include high‐efficiency light‐emitting devices, low‐threshold lasing, surface‐enhanced Raman spectroscopy (SERS) with high sensitivity large‐area uniformity. improve low‐loss sensing provide platform for transformative technologies quantum computing, secure communication networks, optoelectronic systems.

Language: Английский

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Deterministic Placement of Achiral Emitters in Superchiral Fields for Superior Chiral Photoluminescence

Nano Letters, Journal Year: 2025, Volume and Issue: unknown

Published: April 17, 2025

Chiral luminescence holds promise for various applications, but achieving strong, pixelated emission with a large dissymmetry factor (glum) on-chip integration remains challenging. Here we address this challenge by optically growing CdS emitters within the superchiral fields of Au spiral metasurfaces. This precise placement enhances emitter-field interaction, yielding chiral photoluminescence glum up to ∼0.5 and an ∼30-fold intensity enhancement. We demonstrate that both excitation wavelength emitter location significantly impact quality, highlighting critical role resonant spatial alignment fields. These findings provide crucial guidelines designing high-performance devices suitable photonic integration.

Language: Английский

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Mechano‐Tunable Chiroptics of Single Crystalline Metal Helices Made by Superelastic Nanomolding Technique

Advanced Optical Materials, Journal Year: 2025, Volume and Issue: unknown

Published: April 17, 2025

Abstract Active chiral plasmonics show promise for sensing and light generation applications. While progress in fabricating plasmonic nanostructures has advanced, their fixed chiroptic properties limit device functionality, structure‐chiroptic correlations remain poorly understood. a superplastic nanomolding technique is introduced to form single‐crystalline metal helices. Single‐crystalline silver helices demonstrate strong responses with dissymmetry factors up ≈0.4, matching simulations. By mechanically manipulating individual helical nanowires, reversible tuning of achieved, reveal structure‐chirality correlations. This approach offers scalable fabrication method mechano‐tunable while providing design guidelines improved detection devices.

Language: Английский

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Helical Plasmonic Nanocrevices Formed by Metallic Double Helices for Ultrasensitive Chiral Detection and High-Performance Chiral Photoluminescence

ACS Photonics, Journal Year: 2025, Volume and Issue: unknown

Published: April 21, 2025

Language: Английский

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