Appointment: Professor

Research topics:

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

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1 to 10 of 68 Results
Related Data for: Secondary spin current driven efficient THz spintronic emitters
Apr 10, 2024 - MISHRA Sobhan Subhra
Agarwal, Piyush; Yang,Yingshu; Medwal, Rohit; Asada, Hironori; Fukuma, Yasuhiro; Battiato, Marco; Singh, Ranjan, 2024, "Related Data for: Secondary spin current driven efficient THz spintronic emitters", https://doi.org/10.21979/N9/INJ449, DR-NTU (Data), V1
Femtosecond laser-induced photoexcitation of ferromagnet (FM)/heavy metal (HM) heterostructures has attracted attention by emitting broadband terahertz frequencies. The phenomenon relies on the formation of an ultrafast spin current, which is primarily attributed to the direct ph...
Related Data for: Aperiodic Bragg Reflectors for Tunable High-Purity Structural Color Based on Phase Change Material
Apr 9, 2024 - Sambhu JANA
Jana, Sambhu; Sreekanth, Kandammathe Valiyaveedu; Abdelraouf, Omar A.M.; Lin, Ronghui; Liu, Hong; Teng, Jinghua; Singh, Ranjan, 2024, "Related Data for: Aperiodic Bragg Reflectors for Tunable High-Purity Structural Color Based on Phase Change Material", https://doi.org/10.21979/N9/OZWMZ6, DR-NTU (Data), V1
Data for all published figures
Replication Data for: Phototunable chip-scale topological photonics: 160 Gbps waveguide and demultiplexer for THz 6G communication
Replication Data for: Phototunable chip-scale topological photonics: 160 Gbps waveguide and demultiplexer for THz 6G communication
Jan 4, 2024 - Kumar Abhishek
Kumar, Abhishek; Gupta, Manoj; Pitchappa, Prakash; Wang, Nan; Szriftgiser, Pascal; Ducournau, Guillaume; Singh, Ranjan, 2024, "Replication Data for: Phototunable chip-scale topological photonics: 160 Gbps waveguide and demultiplexer for THz 6G communication", https://doi.org/10.21979/N9/5FK01V, DR-NTU (Data), V1, UNF:6:Tuvu5B/ihg+tQ0K6+v6Euw== [fileUNF]
The revolutionary 5G cellular systems represent a breakthrough in the communication network design to provide a single platform for enabling enhanced broadband communications, virtual reality, autonomous driving, and the internet of everything. However, the ongoing massive deploy...
Replication Data for: On-chip topological THz biosensors
Oct 23, 2023 - Navaratna Nikhil
Navaratna, Nikhil; Tan. Yi Ji; Kumar, Abhishek; Gupta, Manoj; Singh, Ranjan, 2023, "Replication Data for: On-chip topological THz biosensors", https://doi.org/10.21979/N9/LYPYDG, DR-NTU (Data), V1, UNF:6:C5Twdq5XHdgEn2Vnp/wz3w== [fileUNF]
On-chip terahertz (THz) biosensors have enormous potential in advancing the development of integrable devices for real-time, label-free, and noninvasive detection of proteins, DNA, and cancerous tissue. However, high absorption of THz waves by water necessitates evanescent field-...
Replication data for: Robust ultrahigh Q factors in Brillouin zone folding induced bound states in the continuum metasurfaces
Mar 30, 2023 - Wang Wenhao
Wang, Wenhao; Srivastava, Yogesh Kumar; Tan, Thomas CaiWei; Wang, Zhiming; Singh, Ranjan, 2023, "Replication data for: Robust ultrahigh Q factors in Brillouin zone folding induced bound states in the continuum metasurfaces", https://doi.org/10.21979/N9/XUK1JT, DR-NTU (Data), V1, UNF:6:lCps02FE1z5dBgt7OUjT3w== [fileUNF]
This dataset contains all the data used in the paper, titled 'Robust ultrahigh Q factors in Brillouin zone folding induced bound states in the continuum metasurfaces'.
TRIM_M22L1b0110(Nanyang Technological University)
Mar 10, 2023
T2EP50121-0017 (MOE Tier 2)(Nanyang Technological University)
Mar 10, 2023
Interfacial topological photonics: broadband silicon waveguides for THz 6G communication and beyond
Sep 15, 2022 - Tan Yi Ji
Tan, Yi Ji, 2022, "Interfacial topological photonics: broadband silicon waveguides for THz 6G communication and beyond", https://doi.org/10.21979/N9/ZLKSN9, DR-NTU (Data), V1
MATLAB scripts and data for generating published figures.
Self-adaptive deep reinforcement learning for THz beamforming with silicon metasurfaces in 6G communications
Sep 15, 2022 - Tan Yi Ji
Tan, Yi Ji, 2022, "Self-adaptive deep reinforcement learning for THz beamforming with silicon metasurfaces in 6G communications", https://doi.org/10.21979/N9/WPX1SE, DR-NTU (Data), V1, UNF:6:FSzozXS+M4Gpea19nZlmkw== [fileUNF]
MATLAB scripts and data for generating published figures.
Replication Data for: Topological sensor on a silicon chip
Replication Data for: Topological sensor on a silicon chip
Jul 8, 2022 - Kumar Abhishek
Kumar, Abhishek; Gupta, Manoj; Pitchappa, Prakash; Tan, Yi Ji; Wang, Nan; Singh, Ranjan, 2022, "Replication Data for: Topological sensor on a silicon chip", https://doi.org/10.21979/N9/NDBWOX, DR-NTU (Data), V1, UNF:6:YtPvcwy2l19op0LmCXIy4w== [fileUNF]
An ultrasensitive photonic sensor is vital for sensing matter with absolute specificity. High specificity terahertz photonic sensors are essential for many fields, including medical research, clinical diagnosis, security inspection and probing molecular vibrations in all forms of...
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