Appointment: Associate Professor

Research topics:

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

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1 to 10 of 64 Results
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 - Abhishek Kumar
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...
Replication Data for: Terahertz Spintronic Magnetometer (TSM)
Replication Data for: Terahertz Spintronic Magnetometer (TSM)
May 13, 2022 - Piyush Agarwal
Agarwal Piyush; Yang Yingshu; Lourembam James; Medwal Rohit; Battiato Marco; Singh Ranjan, 2022, "Replication Data for: Terahertz Spintronic Magnetometer (TSM)", https://doi.org/10.21979/N9/WJDQAH, DR-NTU (Data), V1
A ferromagnetic metal consists of localized electrons and conduction electrons coupled through strong exchange interaction. Together, these localized electrons contribute to the magnetization of the system, while conduction electrons lead to the formation of spin and charge curre...
Replication Data for: Photoswitchable Anapole Metasurfaces
Apr 21, 2022 - THz metamaterials
Wang, Wenhao; Srivastava, Yogesh Kumar; Gupta, Manoj; Wang, Zhiming; Singh, Ranjan, 2022, "Replication Data for: Photoswitchable Anapole Metasurfaces", https://doi.org/10.21979/N9/SEO9DL, DR-NTU (Data), V1, UNF:6:Z0A4LQx8OHi2AMSm8dIcVw== [fileUNF]
Nonradiating charge-current configurations have attracted attention in photonics for the efficient localization of the electromagnetic fields. Anapole mode is a unique nonradiating state of light induced by the interference of electric and toroidal dipole that possesses rich phys...
Replication Data for: Temporal loss boundary engineered photonic cavity
Mar 23, 2022 - THz metamaterials
Longqing, Cong; Han, Jiaguang; Zhang, Weili; Singh, Ranjan, 2022, "Replication Data for: Temporal loss boundary engineered photonic cavity", https://doi.org/10.21979/N9/EXZCGV, DR-NTU (Data), V1
Losses are ubiquitous and unavoidable in nature inhibiting the performance of most optical processes. Manipulating losses to adjust the dissipation of photons is analogous to braking a running car that is as important as populating photons via a gain medium. Here, we introduce th...
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