41 to 50 of 78 Results
Oct 19, 2021 - Kumar Abhishek
Kumar Abhishek, 2021, "Electromechanically tunable frequency-agile metamaterial bandpass filters for terahertz waves", https://doi.org/10.21979/N9/UCSDQF, DR-NTU (Data), V1
Tunable transmission filters are essential for various key terahertz applications including miniaturized spectrometers, hyperspectral imagers and channel selectors in high-speed wireless communication systems. However, tunable terahertz transmission filters have remained elusive,... |
Aug 20, 2021 - Tier 1 RG191/17
Kandammathe Valiyaveedu, Sreekanth, 2021, "Replication Data for: Giant enhancement in Goos-Hänchen shift at the singular phase of a nanophotonic cavity", https://doi.org/10.21979/N9/61WPFK, DR-NTU (Data), V1
In this letter, we experimentally demonstrate thirty-fold enhancement in Goos-Hänchen shift at the Brewster angle of a nanophotonic cavity that operates at the wavelength of 632.8 nm. In particular, the point-of-darkness and the singular phase are achieved using a four-layered me... |
Aug 10, 2021 - Tier 1 RG191/17
Kandammathe Valiyaveedu, Sreekanth, 2021, "Replication Data for: Generalized Brewster Angle Effect in Thin-Film Optical Absorbers and Its Application for Graphene Hydrogen Sensing", https://doi.org/10.21979/N9/E0CDQU, DR-NTU (Data), V1
Generalized Brewster angle (GBA) is the incidence angle at polarization by reflection for p- or s-polarized light takes place. Realizing s-polarization Brewster effect requires a material with magnetic response which is challenging at optical frequencies since the magnetic respon... |
Jul 21, 2021 - Manukumara Manjappa
Dai, Zijie; Manjappa, Manukumara; Yang, Yunkun; Tan, Thomas Cai Wei; Qiang, Bo; Han, Song; Wong, Liang Jie; Xiu, Faxian; Liu, Weiwei; Singh, Ranjan, 2021, "Replication Data for: High Mobility 3D Dirac Semimetal (Cd3As2) for Ultrafast Photoactive Terahertz Photonics", https://doi.org/10.21979/N9/G5GIEN, DR-NTU (Data), V1
The Dirac semimetal cadmium arsenide (Cd3As2), a 3D electronic analog of graphene, has sparked renewed research interests for its novel topological phases and excellent optoelectronic properties. The gapless nature of its 3D electronic band facilitates strong optical nonlinearity... |
Jul 7, 2021 - Manoj GUPTA
Gupta, Manoj; Singh, Ranjan, 2021, "Replication Data for: Terahertz Sensing with Optimized Q/Veff Metasurface Cavities", https://doi.org/10.21979/N9/SRDC9A, DR-NTU (Data), V1, UNF:6:1U/9Po6a5ClppS0honp8Jw== [fileUNF]
Confinement of electromagnetic radiation in a subwavelength cavity is an important platform for strong light–matter interaction as it enables efficient design of photonic switches, modulators, and ultrasensitive sensors. Metallic metasurfaces consist of an array of planar cavitie... |
Jul 5, 2021
Kandammathe Valiyaveedu, Sreekanth; Mahalakshmi, P., 2021, "Replication Data for: Brewster mode-enhanced sensing with hyperbolic metamaterial", https://doi.org/10.21979/N9/GGL3QP, DR-NTU (Data), V1
Hyperbolic metamaterials (HMMs) have been used to demonstrate extreme sensitivity biosensing by exciting their high-k modes. However, momentum couplers such as sub-wavelength diffraction grating or bulky high-index prism is required to excite these non-radiative modes, which is n... |
Jul 2, 2021
Kandammathe Valiyaveedu, Sreekanth; Mahalakshmi, P., 2021, "Replication Data for: A Terahertz Brewster Switch based on Superconductor Hyperbolic Metamaterial", https://doi.org/10.21979/N9/CIXDAO, DR-NTU (Data), V1
Active polarization switching devices are important to control the polarization state of light including terahertz (THz) waves that are technologically challenging to manipulate. Here, we propose and numerically demonstrate a hyperbolic metamaterial (HMM) based active Brewster po... |
Jun 15, 2021 - THz metamaterials
Cong, Longqing; Singh, Ranjan, 2021, "Replication Data for: Spatiotemporal Dielectric Metasurfaces for Unidirectional Propagation and Reconfigurable Steering of Terahertz Beams", https://doi.org/10.21979/N9/7584ID, DR-NTU (Data), V1
Next-generation devices for low-latency and seamless communication are envisioned to revolutionize information processing, which would directly impact human lives, technologies, and societies. The ever-increasing demand for wireless data traffic can be fulfilled by the terahertz... |
Jun 15, 2021 - THz metamaterials
Prakash Pitchappa; Abhishek Kumar; Saurav Prakash; Hariom Jani; Thirumalai Venkatesan; Ranjan Singh, 2021, "Related data for: Chalcogenide Phase Change Material for Active Terahertz Photonics", https://doi.org/10.21979/N9/FANBBO, DR-NTU (Data), V2
To be filled |
Prakash Pitchappa; Abhishek Kumar; Saurav Prakash; Hariom Jani; Rohit Medwal; Mayank Mishra; Rajdeep Singh Rawat; Thirumalai Venkatesan; Nan Wang; Ranjan Singh, 2021, "Related data for: Volatile Ultrafast Switching at Multilevel Nonvolatile States of Phase Change Material for Active Flexible Terahertz Metadevices", https://doi.org/10.21979/N9/JFJJVP, DR-NTU (Data), V2
To be filled |
