Polaritonic frequency-comb generation and breather propagation in a negative-index metamaterial with a cold four-level atomic medium

Asgarnezhad-Zorgabad, Saeid; Berini, Pierre; Sanders, Barry C.

doi:10.1103/physreva.99.051802

Cited by 21 publications

(18 citation statements)

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“…Surface-plasmon polariton lasers and amplifiers 1,2 , also known as microscopic/nanoscopic sources of light are important for providing and modulating linear and nonlinear interactions within subwavelength scales 3,4 . These nanophotonic elements are valuable in designing quantum-and nonlinear-photonic technologies such as an SPP frequency-comb generator 5 phase rotors 6 and quantum information processors 7,8 . Recent material technologies for fabricating nanoplasmonic configurations 9,10 provide opportunities to exploit SPP lasing and amplifying [11][12][13] in a wide range of applications such as in biology 14 and quantum generator 15 .…”

Section: Coherent Amplification and Inversion Less Lasing Of Surface mentioning

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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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: Coherent Amplification and Inversion Less Lasing Of Surface mentioning

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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“…Among various rogue waves, optical rogue waves have received much attention due to their interesting properties and promising applications [10,11,[25][26][27][28][29][30][31][32][33][34][35][36][37][38][39][52][53][54]. However, the creation of the optical rogue waves is not an easy task in conventional optical media (such as optical fibers and waveguides).…”

Section: Introductionmentioning

confidence: 99%

Storage, Splitting, and Routing of Optical Peregrine Solitons in a Coherent Atomic System

Shou

Huang

2021

Front. Phys.

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We propose a scheme to realize the storage and retrieval of optical Peregrine solitons in a coherent atomic gas via electromagnetically induced transparency (EIT). We show that optical Peregrine solitons with very small propagation loss, ultraslow motional velocity, and extremely low generation power can be created in the system via EIT. We also show that such solitons can be stored, retrieved, split, and routed with high efficiency and fidelity through the manipulation of control laser fields. The results reported here are useful for the active control of optical Peregrine solitons and promising for applications in optical information processing and transmission.

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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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“…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%

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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Polaritonic frequency-comb generation and breather propagation in a negative-index metamaterial with a cold four-level atomic medium

Cited by 21 publications

References 31 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

Storage, Splitting, and Routing of Optical Peregrine Solitons in a Coherent Atomic System

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

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