Open optical cavities based on metasurfaces

Author: yewp

August undefined, 2024

WebMetasurface-bounded open cavities supporting virtual absorption: free-space energy accumulation in lossless systems A. Marini, D. Ramaccia, A. Toscano, and F. Bilotti Author Information Find other works by these authors Not Accessible Your library or personal account may give you access Get PDF Email Share Get Citation Citation alert Save article Web8 de abr. de 2024 · A number of line energies were chosen based on results previously published by the authors [7] to deliberately tailor distinct surface features in pursuance of drawing a better outline on the effect of surface irregularities on the fatigue behavior of AlSi7Mg alloy obtained by L-PBF. 2.2 Laser Shock Peening (LSP) Once the cubic …

Photonics Free Full-Text Tunable Triple Plasmonically Induced ...

Web22 de dez. de 2024 · Meta-optics is based on subwavelength-patterned surfaces, called metasurfaces, which acquire optical functionalities through the scattering of nanoparticles rather than by refraction.... Web12 de mai. de 2024 · Numerous ways of actively modulating the optical properties of metasurfaces were reported, including phase-change materials 5, 6, mechanical tuning 7, 8, liquid-crystal-based tuning 9, and all ... howe military school

Optical metasurfaces: new generation building blocks for …

Web1 de mai. de 2024 · It opens unique opportunities for designing of optical lenses, reflectors, and cavities for semiconductor lasers. Here, we propose a very compact design for a laser cavity based on all-dielectric metasurface perfect reflectors. We demonstrate that all-dielectric metasurface perfect reflector increases quality factor and reduces threshold … WebWhile previous tunable metasurfaces were based mainly on tuning of dielectric permittivity or losses in associated tunable elements, here we propose gain-assisted tunable metasurfaces as optical modulators with high ON–OFF ratio. They consist of a dye-doped film placed within metal-insulator-metal (MIM) cavities. howe military academy alumni

Multifunctional Plasmon-Induced Transparency Devices Based on …

Sci-Hub Anomalously Perfect Reflections Based on 3-Bit Coding ...

WebThe realization of an efficient optical sensor based on a photonic crystal metasurface supporting bound states in the continuum is reported. Liquids with different refractive indices, ranging from 1.4000 to 1.4480, are infiltrated in a microfluidic chamber bonded to the sensing dielectric metasurface. A bulk liquid sensitivity of 178 nm/RIU is achieved, … Web5 de abr. de 2024 · Here, we review the design of optical cavities, transient and modulated responses, and theoretical models relevant to vibrational strong coupling (VSC). While planar Fabry–Perot cavities remain the most common choice for experiments involving vibrational polaritons, other choices including plasmonic and phononic nanostructures, … hideaway hills front gateWeb14 de jan. de 2016 · Germanium-antimony-tellurium (GST) is a PCM that has amorphous and crystalline phases with distinct properties, is bistable and nonvolatile, and undergoes a reliable and reproducible phase transition in response to an optical or electrical stimulus; GST may have applications in tunable photonic devices and optoelectronic circuits. 99 PDF howe military school alumni association

"Web9 de abr. de 2024 · Therefore, achieving both fast and large phase tuning becomes particularly challenging. Here, we address this issue by employing optical metasurfaces of high-quality factor (high-Q) resonances. However, a full 2π phase modulation in such metasurfaces is generally accompanied by undesirable amplitude changes, which need … " - Open optical cavities based on metasurfaces

Open optical cavities based on metasurfaces

Nanomaterials Free Full-Text Optical Processes behind …

Web10 de abr. de 2024 · On one hand, light-controlled programmable metasurfaces can be used to realize optically-driven and optical-sensing EM devices for wireless tuning of functions, such as beam tuning, cloaking, absorbing, and nonlinear generation. 96-108 On the other hand, light-controlled programmable metasurfaces are able to realize … Web9 de mai. de 2014 · Strong optical nonlinearities have been the foundation of many applications in classical and quantum optics. Recently, the burgeoning field of high-Q nonlinear micro- and nano-cavities [] has emerged as a new chip-scalable platform for photonic information processing, which requires very low energies [2–4] and can be …

Did you know?

Web15 de jan. de 2024 · By applying the optical nanocircuit concepts to metasurfaces, an effective route to locally control light transmission over a deeply subwavelength scale is proposed, which may lead to large improvements in the manipulation of optical transmission and processing of nanoscale optical signals over conformal and Si-compatible … Web20 de set. de 2024 · In this paper, multiple Fano resonances preferred in the refractive index sensing area are achieved based on sub-wavelength metal-insulator-metal (MIM) …

Web15 de nov. de 2024 · In addition, the nano-cavities with embedded metasurfaces can support independently tunable resonances at multiple bands. As a proof-of-concept, using nano-structured metasurfaces within 100-nm nano-cavities, we experimentally demonstrate high spatial resolution color filtering and spectral imaging. The proposed … WebA metasurface is an artificial nanostructured interface that has subwavelength thickness and that manipulates light by spatially arranged meta-atoms—fundamental building blocks of the metasurface.

Web13 de ago. de 2024 · Here we demonstrate stable optical microcavities by counteracting the phase evolution of the cavity modes using an amorphous Silicon metasurface as … Web6 de abr. de 2024 · Metasurface-stabilized optical microcavities; Evaluation and characterization of imaging polarimetry through metasurface polarization gratings; …

WebHermite-Gaussian Beams in Cavities Optical cavities have been studied extensively in literature7,9,20,21. When a well-defined propagation direction can be assigned to light, the paraxial wave equation applies. A set of solutions to the latter convenient for describing laser beams in free-space and cavities are Hermite-Gaussian beams. These

Web25 de jul. de 2024 · Optical metasurfaces are arrays of optical antennas, with sub-wavelength size and separation. They represent an original concept of flat optics with no classical analogs. They allow for the... hideaway hills ohWebA metasurface is an artificial nanostructured interface that has subwavelength thickness and that manipulates light by spatially arranged meta-atoms—fundamental building blocks … hide a way hills ohio deathsWebOptical cavities are a cornerstone of photonics . They are indispensable in lasers, ... Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, ... Metasurfaces Based on Phase-Change Material as a Reconfigurable Platform for Multifunctional Devices. Niloufar ... hideaway hills golf course reviewsWeb29 de ago. de 2024 · The metasurfaces are discrete optical components arranged in arrays of nanostructures, thus offering a unique opportunity to interleave multiple … howe military school alumniWeb10 de abr. de 2024 · ABSTRACT. Spectral sensing is an emerging field driven by the need for fast and non-invasive methods for the chemical analysis of materials in agri-food, healthcare, and industrial applications. We demonstrate a near-infrared spectral sensor, based on a scalable fabrication process and combining high responsivity, narrow … howemill twitterWebThe optical cavity has a stronger effect on the gain of a FEL than in most conventional lasers and the gain can also affect the optical mode. The gain is maximized for an … hideaway hills golf club paWeb10 de jul. de 2024 · Optical cavities are the major components of lasers and other numerous interferometric optical devices, and minimizing the cavity dimensions below … howemill huntly