Excitation and propagation of surface polaritonic rogue waves and breathers

Asgarnezhad-Zorgabad, Saeid; Sadighi‐Bonabi, R.; Sanders, Barry C.

doi:10.1103/physreva.98.013825

Cited by 26 publications

(18 citation statements)

References 52 publications

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“…We establish that this plasmonic system generates coherent SPP amplification without the need for population inversion. These driving and signal fields have Rabi frequencies d and s , respectively, that are tightly confined to the interface by transversely evanescence coupling functions ζ d (z) and ζ s (z) 6,29 , through � m := ζ m (z)� m ; m ∈ {d, s} and we take into account the plasmonic evanescence coupling by employing field averaging technique (i.e. �ζ(z)� l � � → � l…”

Section: Brief Description Of Sspp Launching and Spp Lasing Operationmentioning

confidence: 99%

“…The plasmonic field are highly dissipative for q ≫ k SPP and ω ≫ ω SPP due to Ohmic loss and atomic medium absorption. Therefore we assume a small deviation q ≈ k SPP + O(q − k SPP ) and ω = ω SPP + v SPP δω + O(δω 2 ) to this perturbation parameters 5,29 . The plasmonic mode will stably propagate within interface that its optical properties are described by macroscopic Drude-Lorentz model 28,75 .…”

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confidence: 99%

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Coherent amplification and inversion less lasing of surface plasmon polaritons in a negative index metamaterial with a resonant atomic medium

Asgarnezhad-Zorgabad

2021

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Surface plasmon polaritons (SPPs) lasing requires population inversion, it is inefficient and possesses poor spectral properties. We develop an inversion-less concept for a quantum plasmonic waveguide that exploits unidirectional superradiant SPP (SSPP) emission of radiation to produce intense coherent surface plasmon beams. Our scheme includes a resonantly driven cold atomic medium in a lossless dielectric situated above an ultra-low loss negative index metamaterial (NIMM) layer. We propose generating unidirectional superradiant radiation of the plasmonic field within an atomic medium and a NIMM layer interface and achieve amplified SPPs by introducing phase-match between the superradiant SPP wave and coupled laser fields. We also establish a parametric resonance between the weak modulated plasmonic field and the collective oscillations of the atomic ensemble, thereby suppressing decoherence of the stably amplified directional polaritonic mode. Our method incorporates the quantum gain of the atomic medium to obtain sufficient conditions for coherent amplification of superradiant SPP waves, and we explore this method to quantum dynamics of the atomic medium being coupled with the weak polaritonic waves. Our waveguide configuration acts as a surface plasmon laser and quantum plasmonic transistor and opens prospects for designing controllable nano-scale lasers for quantum and nano-photonic applications.

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Section: Brief Description Of Sspp Launching and Spp Lasing Operationmentioning

confidence: 99%

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confidence: 99%

Coherent amplification and inversion less lasing of surface plasmon polaritons in a negative index metamaterial with a resonant atomic medium

Asgarnezhad-Zorgabad

2021

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“…We also consider the seeded noise as a perturbation with amplitude u N = 0.08u 0 and modulation frequency ν mod as ∆u N = u N cos[2πν mod t] that introduces a small modification. Here the phase dynamics are then obtained by numerically solving the nonlinear Schrödinger equation [15,17,26] for u(x = 0, t) = U 0 (x = 0, t) + ∆u N . The Fourier spectrum of these NSPPs would also yield plasmonic frequency combs as we depict in Figs.…”

Section: A Universal Frequency Combs Generationmentioning

confidence: 99%

Synthetic plasmonic lattice formation through invariant frequency comb excitation in graphene structures

Jalali-Mola,

Asgarnezhad-Zorgabad

2021

Preprint

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Nonlinear surface-plasmon polaritons (NSPPs) in nanophotonic waveguides excite with dissimilar temporal properties due to input field modifications and material characteristics, but they possess similar nonlinear spectral evolution. In this work, we uncover the origin of this similarity and establish that the spectral dynamics is an inherent property of the system that depends on the synthetic dimension and is beyond waveguide geometrical dimensionality. To this aim, we design a novel, ultra-low loss, and coherent nonlinear graphene plasmonic configuration, to establish the universality of the surface plasmonic frequency combs and phase singularities for various species of NSPPs from plasmonic Peregrine waves to breathers. By coupling the SPP field to spectrally linearize interface nonlinearity, we prove that the energy and number of excited SPP fields are the conserved parameters of this loss compensated plasmonic system. We employ the mean-value evolution of the quantum NSPP field commensurate with the Schrödinger equation to evaluate spectral dynamics of the plasmonic frequency combs. Through apparition of the equally-spaced frequency combs and well-defined hoppings, we prove that the spectral dynamics of the NSPPs within this hybrid interface yields the formation of plasmonic analog of the synthetic photonic lattice, we termed as synthetic plasmonic lattice (SPL), and explore its applications to ultrafast spectral phase modulation, nonlinear artificial gauge fields, and nonuniform synthetic magnetic field.

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“…Besides, their application remains unexplored.Previous investigations show that the interface between a dielectric and a metallic layer is highly nonlinear and SPWs hence can propagate as various types of nonlinear optical waves such as soliton, rogue waves and breathers [41,42]. On the other hand, many proposals indicate that the optical properties of the linear and nonlinear SPWs can be controlled [27,28,41], and stable propagation of surface polaritonic solitons, rogue waves and breathers can be achieved by employing a hybrid plasmonic waveguide comprising a negative index-metamaterial(NIMM) layer and a thin atomic medium layer [42].Excited bright surface-polaritonic breathers have applications to plasmonic-phase modulation [43] and polaritonic frequency-comb generation [44,45]. Therefore, natural questions that appear are whether the darksurface polaritonic rogue waves can be excited by stable propagation and nonlinear interaction of multimode SPWs, whether they are controllable and what would be the application of these nonlinear polaritonic dark rogue waves.…”

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confidence: 99%

“…Previous investigations show that the interface between a dielectric and a metallic layer is highly nonlinear and SPWs hence can propagate as various types of nonlinear optical waves such as soliton, rogue waves and breathers [41,42]. On the other hand, many proposals indicate that the optical properties of the linear and nonlinear SPWs can be controlled [27,28,41], and stable propagation of surface polaritonic solitons, rogue waves and breathers can be achieved by employing a hybrid plasmonic waveguide comprising a negative index-metamaterial(NIMM) layer and a thin atomic medium layer [42].…”

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confidence: 99%

Surface-polaritonic phase singularities and multimode polaritonic frequency combs via dark rogue-wave excitation in hybrid plasmonic waveguide

et al. 2020

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Material characteristics and input-field specifics limit controllability of nonlinear electromagneticfield interactions. As these nonlinear interactions could be exploited to create strongly localized bright and dark waves, such as nonlinear surface polaritons, ameliorating this limitation is important. We present our approach to amelioration, which is based on a surface-polaritonic waveguide reconfiguration that enables excitation, propagation and coherent control of coupled dark rogue waves having orthogonal polarizations. Our control mechanism is achieved by finely tuning laser-field intensities and their respective detuning at the interface between the atomic medium and the metamaterial layer. In particular, we utilize controllable electromagnetically induced transparency windows commensurate with surface-polaritonic polarization-modulation instability to create symmetric and asymmetric polaritonic frequency combs associated with dark localized waves. Our method takes advantage of an atomic self-defocusing nonlinearity and dark rogue-wave propagation to obtain a sufficient condition for generating phase singularities. Underpinning this method is our theory which incorporates dissipation and dispersion due to the atomic medium being coupled to nonlinear surface-polaritonic waves. Consequently, our waveguide configuration acts as a bimodal polaritonic frequency-comb generator and high-speed phase rotator, thereby opening prospects for phase singularities in nanophotonic and quantum communication devices.field [18]. In the past few decades, experimental and theoretical investigations(for an intuitive explanation of dealing with plasmonic loss for waveguide application, see [19]) report stable propagation of linear and nonlinear SPWs employing ultra-low loss metallic-type layers such as single-crystal [20] and mono-crystal [21] metallic film, structured Fano metamaterials [22], semiconductor metamaterials [23] and superconducting metamaterials [24]. These investigations reveal that plasmonic excitation and stable propagation need minimal metallic nanostructure roughness [25]. Therefore, polaritonic frequency combs, and generally space-time control of nonlinear SPWs, are unfortunately challenging due to material limitations and driving field characteristics [26-28].Propagation of an optical pulse in nonlinear media leads to the appearance of strongly localized bright and dark waves such as soliton [29], rogue waves and breathers in nearly conservative systems [30]. Bright rogue waves and breathers are highly localized nonlinear solitary waves with oscillatory amplitudes [31,32]. These waves are valuable for their applications to phase and intensity modulation schemes [33,34], as well as the formation of bound states and molecule-like behavior [35]. More generally, dissipative rogue waves and breathers [36] have potential applications to nonlinear systems such as mode-locked lasers [37] and frequencycomb generators [38]. By contrast, dark rogue waves were only observed during multimode polarized light propagation ...

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Excitation and propagation of surface polaritonic rogue waves and breathers

Cited by 26 publications

References 52 publications

Coherent amplification and inversion less lasing of surface plasmon polaritons in a negative index metamaterial with a resonant atomic medium

Coherent amplification and inversion less lasing of surface plasmon polaritons in a negative index metamaterial with a resonant atomic medium

Synthetic plasmonic lattice formation through invariant frequency comb excitation in graphene structures

Surface-polaritonic phase singularities and multimode polaritonic frequency combs via dark rogue-wave excitation in hybrid plasmonic waveguide

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