Uniform theoretical description of plasmon-induced transparency in plasmonic stub waveguide

Cao, Guangtao; Li, Hongjian; Zhan, Shiping; He, Zhihui; Guo, Zhibo; Xu, Xiuke; Yang, Hui

doi:10.1364/ol.39.000216

Cited by 97 publications

(42 citation statements)

References 28 publications

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“…The decrease of group velocity allows not only the light to 'feel' changes in the refractive index for a longer time, but also the enhancement of light intensity by the pulse compression [26], give rise to good sensing performance. The group index N g can be calculated through N g = c/v g = c/H·τ g = c/H·(dθ(ω)/dω) [27], where v g is the group velocity, τ g is delay time, and the phase shift θ(ω) is the function of angular frequency ω, H = 1000nm is the length of the plasmonic system. Figure 5 (a) is the group index for Q c = 600 and L 1 = 415nm with n = 1.000, 1.005 and 1.012.…”

Section: Numerical Resultsmentioning

confidence: 99%

Sensing analysis based on plasmon induced transparency in nanocavity-coupled waveguide

Zhan¹,

Li²,

He³

et al. 2015

Opt. Express

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We report the sensing characteristic based on plasmon induced transparency in nanocavity-coupled metal-dielectric-metal waveguide analytically and numerically. A simple model for the sensing nature is first presented by the coupled mode theory. We show that the coupling strength and the resonance detuning play important roles in optimizing the sensing performance and the detection limit of sensor, and an interesting double-peak sensing is also obtained in such plasmonic sensor. In addition, the specific refractive index width of the dielectric environment is discovered in slow-light sensing and the relevant sensitivity can be enhanced. The proposed model and findings provide guidance for fundamental research of the integrated plasmonic nanosensor applications and designs.

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Section: Numerical Resultsmentioning

confidence: 99%

Sensing analysis based on plasmon induced transparency in nanocavity-coupled waveguide

Zhan¹,

Li²,

He³

et al. 2015

Opt. Express

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“…The coupled mode theory has been successfully used to describe the transmission spectrum of the PIT effect in many systems, 45,46 Fig. 3 illustrates the CSRCRR coupled to a MIM waveguide.…”

Section: B Coupled Mode Theorymentioning

confidence: 99%

Plasmon-induced transparency effect in a single circular split-ring core ring resonator side-coupled to a metal-isolator-metal waveguide

Zhu

Wang

Han

et al. 2015

Journal of Applied Physics

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We theoretically and numerically investigated the plasmon-induced transparency (PIT) effect in a single circular split-ring core ring resonator (CSRCRR) side coupled to a metal–isolator–metal waveguide, in which we can realize a single PIT effect window. The transmission line theory and the coupled mode theory are used. The results (transmission peak varies from 10% to 75%) show that the PIT window results from the destructive interference between the resonance modes in the CSRCRR. Then, the limit of wavelength detuning of the two modes in CSRCRR is studied. This work provides a new structure to realize the PIT effect and shows a new way to judge whether the phenomenon is the real PIT effect or not.

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“…In our group’s previous researches, we had studied analogues of electromagnetically induced transparency based on low-loss metamaterial[12] and metal-insulator–metal waveguide[13]. There are different approaches to generate EIT-like phenomenon in MIM waveguide based on surface plasmon polaritons (SPPs)[13–15], for example, by the near-field coupling and the phase coupling. Besides, by localized surface plasmon (LSP) modes based on metamaterials 4-6 , EIT-like phenomenon can be seen in cut wires, bilayer fish-scale structures, Fano resonators and so on.…”

Section: Introductionmentioning

confidence: 99%

Analogue of electromagnetically induced absorption with double absorption windows in a plasmonic system

et al. 2017

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We report the observation of an analog of double electromagnetically induced absorption (EIA) in a plasmonic system consisting of two disk resonators side-coupled to a discrete metal-insulator-metal (MIM) waveguide. The finite-difference time-domain (FDTD) simulation calculations show that two absorption windows are obtained and can be easily tuned by adjusting the parameters of the two resonance cavities. The consistence between the coupled-model theory and FDTD simulation results verify the feasibility of the proposed system. Since the scheme is easy to be fabricated, our proposed configuration may thus be applied to narrow-band filtering, absorptive switching, and absorber applications.

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Uniform theoretical description of plasmon-induced transparency in plasmonic stub waveguide

Cited by 97 publications

References 28 publications

Sensing analysis based on plasmon induced transparency in nanocavity-coupled waveguide

Sensing analysis based on plasmon induced transparency in nanocavity-coupled waveguide

Plasmon-induced transparency effect in a single circular split-ring core ring resonator side-coupled to a metal-isolator-metal waveguide

Analogue of electromagnetically induced absorption with double absorption windows in a plasmonic system

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