Light-Emitting Metasurfaces: Simultaneous Control of Spontaneous Emission and Far-Field Radiation

Liu, Sheng; Vaskin, Aleksandr; Addamane, Sadhvikas; Leung, Benjamin; Tsai, Miao-Chan; Yang, Yuanmu; Vabishchevich, Polina P.; Keeler, Gordon Arthur; Wang, George; He, Xiaowei; Kim, Young‐Hee; Hartmann, Nicolai F.; Htoon, Han; Doorn, Stephen K.; Zilk, Matthias; Pertsch, Thomas; Balakrishnan, Ganesh; Sinclair, Michael B.; Staude, Isabelle; Brener, Igal

doi:10.1021/acs.nanolett.8b02808

Cited by 148 publications

(123 citation statements)

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“…Enhancement of both linear and nonlinear PL by about a factor of eight under one-photon photoexcitation (up to 70 under three-photon photoexcitation) was also observed in metasurfaces based on nanoimprinted perovskite films supporting Mie-like resonances [236]. [159], not taking into account the reduction of the active material due to nanostructuring ( Figure 18B). Yuan et al even found PL enhancements of more than 1000-fold from inverse metasurfaces consisting of arrays of asymmetric holes in a silicon thin film containing Ge QDs [158].…”

Section: Emission Enhancement By Dielectric Metasurfacesmentioning

confidence: 85%

“…Using lithographic techniques in combination with reactive ion etching, these wafers can then be nanostructured into the desired nanoantenna or metasurface geometries. This was demonstrated for silicon nanoantennas [157] and metasurfaces [158] containing germanium QDs, as well as for GaAs metasurfaces containing InAs QDs [159]. Alternatively, the fabrication of hierarchical metasurfaces with meta-atoms composed of densely packed QDs in a polymer matrix was also demonstrated [160].…”

Section: Integration Of Emitters With Metasurfacesmentioning

confidence: 98%

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Light-emitting metasurfaces

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Photonic metasurfaces, that is, two-dimensional arrangements of designed plasmonic or dielectric resonant scatterers, have been established as a successful concept for controlling light fields at the nanoscale. While the majority of research so far has concentrated on passive metasurfaces, the direct integration of nanoscale emitters into the metasurface architecture offers unique opportunities ranging from fundamental investigations of complex light-matter interactions to the creation of flat sources of tailored light fields. While the integration of emitters in metasurfaces as well as many fundamental effects occurring in such structures were initially studied in the realm of nanoplasmonics, the field has recently gained significant momentum following the development of Mie-resonant dielectric metasurfaces. Because of their low absorption losses, additional possibilities for emitter integration, and compatibility with semiconductor-based light-emitting devices, all-dielectric systems are promising for highly efficient metasurface light sources. Furthermore, a flurry of new emission phenomena are expected based on their multipolar resonant response. This review reports on the state of the art of light-emitting metasurfaces, covering both plasmonic and all-dielectric systems.

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Section: Emission Enhancement By Dielectric Metasurfacesmentioning

confidence: 85%

Section: Integration Of Emitters With Metasurfacesmentioning

confidence: 98%

Light-emitting metasurfaces

et al. 2019

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“…We believe that asymmetric metasurfaces based on the BIC concept can describe many other phenomena studies earlier with different applications in mind, for example, the electromagnetically induced transparency [158], sensing [159], and light emission control [160].…”

Section: Metamaterials and Metasurfacesmentioning

confidence: 88%

Nonradiating photonics with resonant dielectric nanostructures

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Nonradiating sources of energy have traditionally been studied in quantum mechanics and astrophysics, while receiving a very little attention in the photonics community. This situation has changed recently due to a number of pioneering theoretical studies and remarkable experimental demonstrations of the exotic states of light in dielectric resonant photonic structures and metasurfaces, with the possibility to localize efficiently the electromagnetic fields of high intensities within small volumes of matter. These recent advances underpin novel concepts in nanophotonics, and provide a promising pathway to overcome the problem of losses usually associated with metals and plasmonic materials for the efficient control of the light-matter interaction at the nanoscale. This review paper provides the general background and several snapshots of the recent results in this young yet prominent research field, focusing on two types of nonradiating states of light that both have been recently at the center of many studies in all-dielectric resonant meta-optics and metasurfaces: optical anapoles and photonic bound states in the continuum. We discuss a brief history of these states in optics, their underlying physics and manifestations, and also emphasize their differences and similarities. We also review some applications of such novel photonic states in both linear and nonlinear optics for the nanoscale field enhancement, a design of novel dielectric structures with high-resonances, nonlinear wave mixing and enhanced harmonic generation, as well as advanced concepts for lasing and optical neural networks. arXiv:1903.04756v1 [physics.optics]

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“…E.g., all-dielectric high-Q metasurfaces have recently enabled the ultrasensitive detection of molecular fingerprints and hyperspectral imaging for biosensing without the utilization of spectrometers [26][27][28]. The high-Q metasurfaces were also successfully employed to build novel flat light emitting devices via engineering of spontaneous emission [29,30], stimulated emission [31,32], and nonlinear harmonic generations [33][34][35].…”

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confidence: 99%

High- Q Quasibound States in the Continuum for Nonlinear Metasurfaces

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Sharp electromagnetic resonances play an essential role in physics in general and optics in particular. The last decades have witnessed the successful developments of high-quality (Q) resonances in microcavities operating below the light line, which however is fundamentally challenging to access from free space. Alternatively, metasurface-based bound states in the continuum (BICs) offer a complementary solution of creating high-Q resonances in devices operating above the light line, yet the experimentally demonstrated Q factors under normal excitations are still limited. Here, we present the realizations of quasi-BIC under normal excitation with a record Q factor up to 18 511 by engineering the symmetry properties and the number of the unit cells in all-dielectric metasurface platforms. The high-Q quasi-BICs exhibit exceptionally high conversion efficiency for the third harmonic generation and even enable the second harmonic generation in Si metasurfaces. Such ultrasharp resonances achieved in this work may immediately boost the performances of BICs in a plethora of fundamental research and device applications, e.g., cavity QED, biosensing, nanolasing, and quantum light generations.

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Light-Emitting Metasurfaces: Simultaneous Control of Spontaneous Emission and Far-Field Radiation

Cited by 148 publications

References 40 publications

Light-emitting metasurfaces

Light-emitting metasurfaces

Nonradiating photonics with resonant dielectric nanostructures

High- Q Quasibound States in the Continuum for Nonlinear Metasurfaces

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