Appointment: Professor

Research topics:

Development of terahertz, infrared, and optical metamaterial based active and passive plasmonic devices.

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81 to 84 of 84 Results
Replication data for: Active Control of Resonant Cloaking in a Terahertz MEMS Metamaterial
Replication data for: Active Control of Resonant Cloaking in a Terahertz MEMS Metamaterial
Apr 30, 2020 - Manukumara Manjappa
Manjappa, Manukumara; Pitchappa, Prakash; Wang, Nan; Lee, Chengkuo; Singh, Ranjan, 2020, "Replication data for: Active Control of Resonant Cloaking in a Terahertz MEMS Metamaterial", https://doi.org/10.21979/N9/BGPECI, DR-NTU (Data), V1, UNF:6:/BmAcAByq+so/7RUDmwnHw== [fileUNF]
Metamaterials exhibiting exotic optical properties have played a significant role over the years in guiding the concept of invisibility cloaking from the realm of being fiction to reality. However, due to the difficulties in fabricating the 3D cloaking devices and lack of exotic pla...
Replication Data for: Lattice induced strong coupling and line narrowing of split resonances in metamaterials
Apr 30, 2020 - Thomas TAN Caiwei
Tan, Thomas Caiwei; Srivastava, Yogesh Kumar; Manjappa, Manukumara; Plum, Eric; Singh, Ranjan, 2020, "Replication Data for: Lattice induced strong coupling and line narrowing of split resonances in metamaterials", https://doi.org/10.21979/N9/UMA5GK, DR-NTU (Data), V2, UNF:6:PJXrGIhBxyvUWgNaWWPejg== [fileUNF]
Strongly coupled metamaterial resonances typically undergo mode-splitting by which there is an exchange of energy between matter excitations and photons. Here, we report a strong coupling of the lattice mode with the structural eigen resonances of a split-ring metamaterial associ...
Replication Data for: Lattice enhanced Fano resonances from bound states in the continuum metasurfaces
Apr 30, 2020 - Thomas TAN Caiwei
Thomas Tan Caiwei; Eric Plum; Ranjan Singh, 2020, "Replication Data for: Lattice enhanced Fano resonances from bound states in the continuum metasurfaces", https://doi.org/10.21979/N9/5IFNOU, DR-NTU (Data), V1, UNF:6:rXKkRjjZNaaUGmuUB70tDg== [fileUNF]
Fano resonances in metamaterials are known for their high quality (Q) factor and high sensitivity to external perturbations, which makes them attractive for sensors, lasers, non-linear and slow light devices. However, Fano resonances with higher Q factors obtained through structu...
Replication Data for: Excitons in 2D perovskites for ultrafast terahertz photonic devices
Apr 21, 2020 - Kumar Abhishek
Kumar Abhishek; Solanki Ankur; Manjappa Manukumara; Ramesh Sankaran; Srivastava Yogesh Kumar; Agarwal Piyush; Sum, Tze Chien; Singh Ranjan, 2020, "Replication Data for: Excitons in 2D perovskites for ultrafast terahertz photonic devices", https://doi.org/10.21979/N9/CQMJGP, DR-NTU (Data), V1, UNF:6:ZfJvc1C1T+pYrsgk29IZsg== [fileUNF]
In recent years, two-dimensional (2D) Ruddlesden-Popper perovskites have emerged as promising candidates for environmentally stable solar cells, highly efficient light-emitting diodes, and resistive memory devices. The remarkable existence of self-assembled quantum well (QW) stru...
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