Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Koijam Monika Devi"'
Publikováno v:
New Journal of Physics, Vol 25, Iss 9, p 093023 (2023)
Topological photonics has emerged as a cutting-edge and intriguing field that permits electromagnetic waves to transmit with minimal losses even when they come in contact with sharp turns or imperfections or defects. In this study, we validate a stra
Externí odkaz:
https://doaj.org/article/48ef45378112490f8b6203fbc3163faa
Autor:
Koijam Monika Devi, Arun Jana, Ajinkya Punjal, Nityananda Acharyya, Shriganesh S Prabhu, Dibakar Roy Chowdhury
Publikováno v:
New Journal of Physics, Vol 24, Iss 9, p 093004 (2022)
Tunable slow light systems have gained much interests recently due to their efficient control of strong light–matter interactions as well as their huge potential for realizing tunable device applications. Here, a dynamically tunable polarization in
Externí odkaz:
https://doaj.org/article/433321583aef439da2044a62f042cd4a
Publikováno v:
2022 Workshop on Recent Advances in Photonics (WRAP).
Publikováno v:
2022 Workshop on Recent Advances in Photonics (WRAP).
Autor:
Deepak Kumar, Manoj Gupta, Yogesh Kumar Srivastava, Koijam Monika Devi, Ranjan Kumar, Dibakar Roy Chowdhury
In modern day photonic integrated circuitries (ICs), near-field Coulomb interaction plays an important role in the device performances. In fact, harvesting Coulomb effect intelligently can immensely help to realize advanced photonic devices in micro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3d3cf09e98a71d5ef03e4e6f245dcc83
https://hdl.handle.net/10356/156224
https://hdl.handle.net/10356/156224
Publikováno v:
Advances in Natural Sciences: Nanoscience and Nanotechnology. 13:045009
We present experimental studies on doped and undoped ZnO nanoparticles prepared via cost-effective solution processing techniques towards its applicability for terahertz frequency domain. Scanning electron microscopy (SEM) confirms that the dimension
Publikováno v:
Journal of Physics D: Applied Physics. 55:495103
The integration of active materials in terahertz (THz) metasurfaces is pivotal for the realization of functional device applications in diverse fields like sensing, imaging, communication, etc. In this context, ferroelectric materials endowed with tu
Publikováno v:
Journal of the Optical Society of America B. 39:1590
We demonstrate a terahertz topological ring resonator based on all-dielectric valley photonic crystals. A triangular ring-shaped topological edge is coupled to a straight topological waveguide by suitably merging two valley photonic crystals. The res
Autor:
Shreeya Rane, Avinash Kothuru, Arun Jana, Koijam Monika Devi, Sanket Goel, Shriganesh Prabhu, Dibakar Roy Chowdhury
Publikováno v:
Optical Materials. 125:112045
Publikováno v:
Optics Communications. 505:127589
We numerically demonstrate robust terahertz (THz) transmissions in a topological photonic crystal comprised of dielectric rod structures. Topological edge states (i.e., the vortex states) in the structure are excited via a zig-zag domain boundary at