Role of Interference between Localized and Propagating Surface Waves on the Extraordinary Optical Transmission Through a Subwavelength-Aperture Array

Bao, Yongjun; Peng, Ru‐Wen; Shu, Da-Jun; Wang, Mu; Lü, Xiang; Shao, Jianda; Lü, Wei; Ming, Nai‐Ben

doi:10.1103/physrevlett.101.087401

Cited by 102 publications

(51 citation statements)

References 28 publications

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“…Such a phenomenon has been discussed in other plasmonic structures. 20,29,33 For example, narrow zero-transmittance dips due to anticrossing between voidlike TM 2 V and TE 1 V modes and a SPP mode can be observed in Fig. 7, when 1 takes the values of 1.5 and 2.5, respectively.…”

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Localized and delocalized surface-plasmon-mediated light tunneling through monolayer hexagonal-close-packed metallic nanoshells

et al. 2009

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We studied theoretically light transmission through a monolayer of hexagonal-close-packed nanoparticles consisting of a metallic shell and a dielectric core. We found that light can transmit through the dense particle assemblies via excitation of a variety of surface-plasmons ͑SPs͒. Localized SPs confined within metal nanoshells can mediate a narrow-band dispersionless transmission resonance ͑TR͒. Wide-band TRs were also observed as a result of strong near-field interparticle SP couplings, forming hybrid modes that are either localized at the nanogaps between adjacent particles or confined in the lattice pores, or distributed across the structure, each with distinct dispersion characteristics. Optical tuning strategies of these TRs are also elucidated that can allow for observation of SP anticrossing effects. DOI: 10.1103/PhysRevB.80.165401 PACS number͑s͒: 73.20.Mf, 42.25.Bs, 78.67.Bf, 78.66.Bz In the past decade, metal films perforated with a periodic array of subwavelength holes or slits attract much interest after the report of enhanced optical transmittance ͑EOT͒ by Ebbesen et al. 1 The EOT phenomenon is generally attributed to propagating surface-plasmon polaritons ͑SPPs͒, 2 which are excited by the incident light on the input side of the metal film, then evanescently tunnel to the exit side through the building up of strong electromagnetic fields above the apertures, and are finally re-emitted into optical far field. The SPP waves are Bragg scattered by the periodic apertures and thus are referred to as Bragg-type SPP modes. Although other theoretical models are also proposed, 3 many efforts have been made to study whether localized resonance modes in apertures can also bring EOT which should be independent of periodicity. 4 Individual metallic nanoparticles can support localized surface-plasmons ͑SPs͒, whose resonance frequency depends on the particle size, shape, and composition, and also on the surrounding medium. 5 At localized SP resonances, the huge electric field enhancement established on particle surface leads to a wealth of optical properties useful in surface enhanced Raman scattering, 6 optical antennas, 7 and optical tweezers.8 For regularly spaced metal nanoparticles, the interactions of particle SP resonances can result in interesting collective optical properties. Lamprecht et al. 9 and Hicks et al. 10 have shown that the lineshape of these localized SPs can be controlled via coherent dipole far-field interactions. Recently extremely narrow plasmon resonances in one-and two-dimensional ͑2D͒ arrays of metal nanoparticles have been predicted [11][12][13] and observed experimentally, 14,15 which are revealed to be due to a diffraction coupling of localized SPs with a diffracted grazing wave at a Wood anomaly. 14 With these great efforts, a clear physical picture has been established about light interaction with two-dimensional ͑2D͒ metal nanoparticle arrays, where the excitation of dipole plasmon mode and its far-field interaction are dominant. However, less is known about the optical prop...

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Localized and delocalized surface-plasmon-mediated light tunneling through monolayer hexagonal-close-packed metallic nanoshells

et al. 2009

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“…The transmission property of the period hole array depends strongly on the hole shape due to the local shape resonance (LSR) around individual holes. Also, several previous publications [13][14][15] were devoted to how to combine LSR with SPP resonance to improve a certain functionality, such as surface-enhanced Raman spectroscopy and so on. Naturally, one may expect that the photo-coupling properties can also be modulated by the LSR modes.…”

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Optimization of Optoelectronic Plasmonic Structures

Wang

et al. 2011

Plasmonics

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We discuss the interplay between surface plasmon polaritons (SPPs) and localized shape resonances (LSRs) in a plasmonic structure working as a photocoupler for a GaAs quantum well photodetector. For a targeted electronic inter-subband transition inside the quantum well, maximum photon absorption is found by compromising two effects: the mode overlapping with incident light and the lifetime of the resonant photons. Under the optimal conditions, the LSR mediates the coupling between the incident light and plasmonic structure while the SPP provides long-lived resonance which is limited ultimately by metal loss. The present work provides insight to the design of plasmonic photo-couplers in semiconductor optoelectronic applications.

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“…[9][10] These fantastic properties facilitate potential applications in extraordinary optical transmission, [11][12][13][14][15] microscopy, 16 and antennas, 17 etc.. Among the massive researches in this rapidly developing area, one of the intensively studied subjects is chiral metamaterial, which offers an alternative approach to realize negative refractive index.…”

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Optically nonactive assorted helix array with interchangeable magnetic/electric resonance

Xiong

Chen

Wang

et al. 2011

Applied Physics Letters

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We report here the designing of optically-nonactive metamaterial by assembling metallic helices with different chirality. With linearly polarized incident light, pure electric or magnetic resonance can be selectively realized, which leads to negative permittivity or negative permeability accordingly. Further, we show that pure electric or magnetic resonance can be interchanged at the same frequency band by merely changing the polarization of incident light for 90 degrees. This design demonstrates a unique approach to construct metamaterial.

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Role of Interference between Localized and Propagating Surface Waves on the Extraordinary Optical Transmission Through a Subwavelength-Aperture Array

Cited by 102 publications

References 28 publications

Localized and delocalized surface-plasmon-mediated light tunneling through monolayer hexagonal-close-packed metallic nanoshells

Localized and delocalized surface-plasmon-mediated light tunneling through monolayer hexagonal-close-packed metallic nanoshells

Optimization of Optoelectronic Plasmonic Structures

Optically nonactive assorted helix array with interchangeable magnetic/electric resonance

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