Experimental Demonstration of Double-Negative Metamaterials Partially Filled in a Circular Waveguide

Duan, Zhaoyun; Wang, Yanshuai; Mao, Xutong; Wang, Wenxiang; Chen, Min

doi:10.2528/pier11090502

Cited by 25 publications

(18 citation statements)

References 34 publications

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“…The investigations of optical negativeindex [1] metamaterials (NIM) using the nanostructured metaldielectric composites already have led to both fundamental and applied achievements that have been realized in various structures [2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20][21].…”

Section: Introductionmentioning

confidence: 99%

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Spectrum of Cherenkov Radiation in Dispersive Metamaterials With Negative Refraction Index

Burlak¹

2012

PIER

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Abstract-We numerically studied the spectrum of Cherenkov optical radiation by a nonrelativistic anisotropic electron bunch crossing 3D dispersive metamaterial. A practically important case when such a medium is described by Drude model is investigated in details. In our theory only parameters of a metamaterial are fixed. The frequency spectrum of internal excitations is left to be defined as a result of the numerical simulation. It is found that a periodic field structure coupled to plasmonic excitations is arisen when the dispersive refractive index of a metamaterial becomes negative. In this case the reversed Cherenkov radiation is observed.

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Section: Introductionmentioning

confidence: 99%

“…Cherenkov radiation by a charged source that moves in (or in the interface) a left-handed material has been studied in number of works [15][16][17][18][19][20][21]. Both experimental and theoretical frameworks are investigated, see review [16] and references therein.…”

Section: Introductionmentioning

confidence: 99%

Spectrum of Cherenkov Radiation in Dispersive Metamaterials With Negative Refraction Index

Burlak¹

2012

PIER

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“…Cherenkov radiation by a charged source that moves in a lefthanded material and has not the own frequency has been studied in number of works [17][18][19][20][21][22][23]. Both experimental and theoretical frameworks are investigated, see review [18] and references therein.…”

Section: Introductionmentioning

confidence: 99%

Change of Structure of the Cherenkov Emission at Modulated Source in Dispersive Metamaterials

Burlak¹,

Martínez-Sánchez²

2013

PIER

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Abstract-We systematically study the Cherenkov optical emission by a nonrelativistic modulated source crossing 3D dispersive metamaterial. It is found that the interference of the field produced by the modulated source with the periodic plasmonic-polariton excitations in a metamaterial leads to the specific interaction in the frequency range where the dispersive refractive index of a metamaterial is negative and the reversed Cherenkov emission is generated. Such resonance considerably modifies the spatial structure of the Cherenkov field. In our study parameters of a metamaterial and modulated source are fixed while the frequency spectrum of the plasmonic excitations is formed due to the fields interplay in the frequency domain.

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“…They have been exploited to develop unusual optical materials and devices, such as negative-index materials [2,3] and "invisibility cloaks" [4,5]. Negative-index MMs (NIMs) operating at optical frequencies have recently attracted considerable attention because of their novel properties in optics [6][7][8][9][10][11][12]. One of the important NIM designs which is suitable for optical frequencies is the fishnet metal-dielectric-metal structure [13][14][15][16][17][18].…”

Section: Introductionmentioning

confidence: 99%

Enhanced Nonlinearities in Double-Fishnet Negative-Index Photonic Metamaterials

Guo¹,

Xiang²,

Dai³

et al. 2013

PIER

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Abstract-We numerically analyze the optical response and nonlinear susceptibilities of fishnet metamaterials with the holes infiltrated by a third-order nonlinear dielectric. Through full-wave simulations and employing a nonlinear parameter retrieval method, we confirm and quantify the enhanced nonlinearities, showing bulk third-order nonlinear susceptibilities that are up to two orders of magnitude larger than the nonlinear dielectric. We also use the retrieved parameters to calculate the material figure of merits and the conversion efficiencies, showing material figure of merits up to two orders of magnitude larger and conversion efficiencies up to four orders of magnitude larger than the nonlinear dielectric alone. Though these results are calculated using one-unit-cell thick structures, the large magnitude of the enhancement still makes these structures attractive, allowing reasonable conversion efficiencies supported by even subwavelength slabs.

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Experimental Demonstration of Double-Negative Metamaterials Partially Filled in a Circular Waveguide

Cited by 25 publications

References 34 publications

Spectrum of Cherenkov Radiation in Dispersive Metamaterials With Negative Refraction Index

Spectrum of Cherenkov Radiation in Dispersive Metamaterials With Negative Refraction Index

Change of Structure of the Cherenkov Emission at Modulated Source in Dispersive Metamaterials

Enhanced Nonlinearities in Double-Fishnet Negative-Index Photonic Metamaterials

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