Surface plasmon dispersion in metal hole array lasers

Exter, van Mp; Tenner, Vasco T.; Beijnum, van; Dood, de Mja; Veldhoven, van Pj René; Geluk, EJ Erik Jan; Hooft, GW 't

doi:10.1364/oe.21.027422

Cited by 34 publications

(64 citation statements)

References 20 publications

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“…The layer-stack is designed such that it only supports the TM-like SP-mode. Square hole arrays with a similar layer-stack are described in more detail in refs [9,11,12].…”

Section: Methodsmentioning

confidence: 99%

“…The SP are excited by spontaneous emission from the optically pumped InGaAs gain layer. The same setup was used in refs [9,11,12].…”

Section: Methodsmentioning

confidence: 99%

“…Photons emitted at a certain angle (θ x , θ y ) have an in-plane momentum k ≡ (k x , k y ), with k x = (2π/λ 0 ) sin(θ x ), k y = (2π/λ 0 ) sin(θ y ). These photons are associated with SPs with 6 different momenta k sp = G j + k , where G j are the lattice vectors with length | G j | = 2π/( √ 3a 0 /2) belonging to one of the relevant gratings [11]. These lattice vectors are indicated in Fig.…”

Section: Theoretical Backgroundmentioning

confidence: 99%

“…2(c) shows three double-degenerate modes as three dashed lines with slopes corresponding to cos(φ) = ± √ 3/2, 0. In order to describe the SP-dispersion relation more accurately [11,13], we consider the surface charge Ψ( r, t), which is proportional to the out of plane E-field. This surface charge ρ( r, t) is then decomposed in periodic Bloch waves:…”

Section: Theoretical Backgroundmentioning

confidence: 99%

“…This behavior can be described by a coupled mode model for the time evolution of the Bloch waves. A similar model was used previously [11,12] for plasmonic crystals with a square lattice. Here we extend it to hexagonal lattices.…”

Section: Theoretical Backgroundmentioning

confidence: 99%

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Surface plasmon dispersion in hexagonal, honeycomb and kagome plasmonic crystals

2016

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We present a systematic experimental study on the optical properties of plasmonic crystals (PlC) with hexagonal symmetry. We compare the dispersion and avoided crossings of surface plasmon modes around the Γ-point of Au-metal hole arrays with a hexagonal, honeycomb and kagome lattice. Symmetry arguments and group theory are used to label the six modes and understand their radiative and dispersive properties. Plasmon-plasmon interaction are accurately described by a coupled mode model, that contains effective scattering amplitudes of surface plasmons on a lattice of air holes under 60• , 120• , and 180• . We determine these rates in the experiment and find that they are dominated by the hole-density and not on the complexity of the unit-cell. Our analysis shows that the observed angle-dependent scattering can be explained by a single-hole model based on electric and magnetic dipoles.

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“…The layer-stack is designed such that it only supports the TM-like SP-mode. Square hole arrays with a similar layer-stack are described in more detail in refs [9,11,12].…”

Section: Methodsmentioning

confidence: 99%

“…The SP are excited by spontaneous emission from the optically pumped InGaAs gain layer. The same setup was used in refs [9,11,12].…”

Section: Methodsmentioning

confidence: 99%

Section: Theoretical Backgroundmentioning

confidence: 99%

Section: Theoretical Backgroundmentioning

confidence: 99%

Section: Theoretical Backgroundmentioning

confidence: 99%

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Surface plasmon dispersion in hexagonal, honeycomb and kagome plasmonic crystals

2016

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Spectral Engineering Via Complex Patterns of Circular Nano-Object Miniarrays: II. Concave Patterns Tunable by Integrated Lithography Realized by Circularly Polarized Light

et al. 2020

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The use of circularly polarized beams in interferometric illumination of colloid sphere monolayers enables the direct fabrication of rectangular patterns composed of circular nanohole miniarrays in metal films. This paper presents a study on the spectral and near-field effects of complex rectangular patterns consisted of a central nanoring and slightly rotated satellite nanocrescents in azimuthal orientations, which promote coupling between localized and propagating plasmons. To inspect the localized modes separately, we investigate the spectral responses and near-field phenomena of hexagonal patterns composed of uniform nanorings and nanocrescents, which can be fabricated by a single, homogeneous, circularly polarized beam incident perpendicularly and obliquely, respectively. To understand the interaction of localized and propagating modes, we analyze artificial rectangular patterns composed of a singlet nanoring, a singlet horizontal nanocrescent, and a quadrumer of four slightly rotated nanocrescents. The results demonstrate that on the rectangular pattern of a singlet horizontal nanocrescent the interacting C2 and C1 localized resonances in the C orientation ($$0^{\circ }$$ 0 ∘ azimuthal angle) and the U localized resonance coupled with propagating surface plasmon polaritons (SPPs) in the U orientation ($$90^{\circ }$$ 90 ∘ azimuthal angle) manifest themselves in similar split spectra. Moreover, split spectra appear due to the coupling of the azimuthal orientation independent localized resonance on the nanorings and the SPPs propagating on their rectangular pattern in the U orientation. The spectral response of the complex miniarray pattern can be precisely tuned by varying the geometrical parameters of the moderately interacting nanoholes and the pattern period. In appropriate configurations, the fluorescence of the dipolar emitters is enhanced, which has potential applications in bio-object detection.

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Structural Engineering in Plasmon Nanolasers

et al. 2017

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This review focuses on structural engineering of lasers from the macroscale to the nanoscale, with an emphasis on plasmon nanolasers. Conventional lasers based on Fabry-Pérot cavities are limited in device size. In contrast, plasmon nanolasers can overcome the diffraction limit of light and incorporate unique structural designs to engineer cavity geometries and optical band structure. Since the spaser concept was introduced in 2003, tremendous progress in nanolasing has been made on architectures that exploit metal films and nanoparticles. Theoretical approaches in both frequency and time domains have inspired the development of plasmon nanolasers based on mode analysis and time-dependent lasing buildup. Plasmon nanolasers designed by band-structure engineering open prospects for manipulation of lasing characteristics such as directional emission, real-time tunable wavelengths, and controlled multimode lasing.

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Surface plasmon dispersion in metal hole array lasers

Cited by 34 publications

References 20 publications

Surface plasmon dispersion in hexagonal, honeycomb and kagome plasmonic crystals

Surface plasmon dispersion in hexagonal, honeycomb and kagome plasmonic crystals

Spectral Engineering Via Complex Patterns of Circular Nano-Object Miniarrays: II. Concave Patterns Tunable by Integrated Lithography Realized by Circularly Polarized Light

Structural Engineering in Plasmon Nanolasers

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