Search Results - "Devi, Koijam Monika"

Topological edge states in an all-dielectric terahertz photonic crystal by Monika Devi, Koijam, Jana, Sambhu, Roy Chowdhury, Dibakar

“…We present an analysis of the robustness of topological edge states in an all-dielectric photonic crystal slab in the terahertz (THz) frequency domain. We…”
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Polarization-independent tunable terahertz slow light with electromagnetically induced transparency metasurface by Devi, Koijam Monika, Jana, Arun, Punjal, Ajinkya, Acharyya, Nityananda, Prabhu, Shriganesh S, Roy Chowdhury, Dibakar

“…Tunable slow light systems have gained much interests recently due to their efficient control of strong light–matter interactions as well as their huge…”
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Topological edge state assisted dynamically tunable microwave propagations in photonic crystals by Jana, Sambhu, Devi, Koijam Monika, Kulkarni, Gopal, Mallick, Soumyajyoti, Roy Chowdhury, Dibakar

“…Topological photonics has emerged as a cutting-edge and intriguing field that permits electromagnetic waves to transmit with minimal losses even when they come…”
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Independently tunable electromagnetically induced transparency effect and dispersion in a multi-band terahertz metamaterial by Sarkar, Rakesh, Ghindani, Dipa, Devi, Koijam Monika, Prabhu, S. S., Ahmad, Amir, Kumar, Gagan

“…In this article, we experimentally and numerically investigate a planar terahertz metamaterial (MM) geometry capable of exhibiting independently tunable…”
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Effect of asymmetry on terahertz transmissions in topological photonic crystals comprising of dielectric rod structures by Jana, Sambhu, Monika Devi, Koijam, Roy Chowdhury, Dibakar

“…We numerically demonstrate robust terahertz (THz) transmissions in a topological photonic crystal comprised of dielectric rod structures. Topological edge…”
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Plasmon induced transparency effect through alternately coupled resonators in terahertz metamaterial by Devi, Koijam Monika, Sarma, Amarendra K, Chowdhury, Dibakar Roy, Kumar, Gagan

“…We analyze plasmon induced transparency (PIT) in a planar terahertz metamaterial comprising of two C-shaped resonators and a cut-wire. The two C-shaped…”
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Plasmon-induced transparency in graphene-based terahertz metamaterials by Devi, Koijam Monika, Islam, Maidul, Chowdhury, Dibakar Roy, Sarma, Amarendra K., Kumar, Gagan

“…Plasmon-induced transparency (PIT) effect in a terahertz graphene metamaterial is numerically and theoretically analyzed. The proposed metamaterial comprises…”
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Coulomb interaction mediated tuning of surface plasmon resonances in terahertz hole arrays by Sajeev, Vaishnavi, Jana, Arun, Mallick, Soumyajyoti, Devi, Koijam Monika, Roy Chowdhury, Dibakar

“…Resonance excitation of surface plasmons in sub-wavelength periodic apertures (popularly known as hole arrays) is typically decided by its lattice…”
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Dynamically tunable slow light characteristics in graphene based terahertz metasurfaces by Kumar, Deepak, Devi, Koijam Monika, Kumar, Ranjan, Roy Chowdhury, Dibakar

“…We propose a graphene based metasurface exhibiting dynamic slow light behavior via electromagnetically induced transparency (EIT) effect in the terahertz…”
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Actively tunable toroidal excitations in graphene based terahertz metamaterials by Bhattacharya, Angana, Devi, Koijam Monika, Nguyen, Tho, Kumar, Gagan

“…Toroidal dipoles, unlike electric and magnetic dipoles, are formed due to currents flowing on the surface of a torus along it’s meridians. We investigate the…”
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Surface polaritonic solitons and breathers in a planar plasmonic waveguide structure via electromagnetically induced transparency by Devi, Koijam Monika, Kumar, Gagan, Sarma, Amarendra K

“…We propose a scheme for the coupler-free excitation of surface polaritonic solitons and breathers in a planar plasmonic waveguide structure comprising of a…”
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Obstruction immune topological propagation in 3D-printed metal-based photonic crystals by Jana, Sambhu, Devi, Koijam Monika, Chowdhury, Dibakar Roy

“…Topological photonic systems have recently become an important platform for manipulating the flow of electromagnetic (EM) waves owing to unique features like…”
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Plasmon induced transparency in graphene based terahertz metamaterials by Devi, Koijam Monika, Islam, M, Chowdhury, Dibakar R, Sarma, Amarendra K, Kumar, Gagan

“…Europhysics Letters, Vol. 120, p. 27005 (2018) Plasmon induced transparency (PIT) effect in a terahertz graphene metamaterial is numerically and theoretically…”
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Broadband terahertz characterization of graphene oxide films fabricated on flexible substrates by Rane, Shreeya, Kothuru, Avinash, Jana, Arun, Devi, Koijam Monika, Goel, Sanket, Prabhu, Shriganesh, Roy Chowdhury, Dibakar

“…Graphene oxide (GO)fabricated on various flexible substrates (Kapton and lamination sheets) are studied with the help of terahertz time domain spectroscopy…”
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High Q-factor terahertz topological ring resonator by Jana, Sambhu, Devi, Koijam Monika, Chowdhury, Dibakar Roy

“…We report a photonic ring resonator structure in the terahertz (THz) regime based on a topological framework to explore the role of different defect states on…”
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Variable Angle Anomalous Refraction Employing Terahertz Metasurfaces by Rane, Shreeya, Devi, Koijam Monika, Chowdhury, Dibakar Roy

“…Suitably designed metasurfaces can introduce phase discontinuity to the transmitted or reflected electromagnetic waves. Consequently, the transmitting wave can…”
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Surface plasmon polariton Akhmediev Breather in a dielectric-metal-dielectric geometry with subwavelength thickness by Devi, Koijam Monika, Porsezian, K., Sarma, Amarendra K.

“…We report Akhmediev Breather solutions in a nonlinear multilayer structure comprising of a metal sandwiched between two semi-infinite dielectric layers with…”
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Toroidal Resonances in Graphene Metamaterials by Bhattacharya, Angana, Devi, Koijam Monika, Kumar, Gagan

“…Toroidal dipoles, unlike electric and magnetic dipoles, are formed due to currents flowing on the surface of a torus along it's meridians. Using numerical…”
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Exploring polarization independent plasmon induced transparency in a planar terahertz metamaterial by Devi, Koijam Monika, Sarkar, Rakesh, Sarma, Amarendra Kumar, Kumar, Gagan

“…We numerically examine plasmon induced transparency (PIT) in planar terahertz metamaterials comprising of four U-shaped resonators and a cross-wire like…”
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Dual-band electromagnetically induced transparency effect in asymmetrically coupled terahertz metamaterials by Sarkar, Rakesh, Devi, Koijam Monika, Ghindani, Dipa, Jain, Ravikumar, Pattanayak, Arnab, Prabhu, S. S., Kumar, Gagan

“…In this article, we numerically and experimentally investigate a metamaterial geometry capable of exhibiting dual-band electromagnetic induced transparency…”
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