Terahertz topological photonic integrated circuits for 6G and beyond: a perspective
The development of terahertz integrated circuits is vital for realizing sixth-generation (6G) wireless communication, high-speed on-chip interconnects, high-resolution imaging, on-chip biosensors, and fingerprint chemical detection. Nonetheless, the existing terahertz on-chip devices suffer from ref...
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sg-ntu-dr.10356-1653492023-03-27T15:34:42Z Terahertz topological photonic integrated circuits for 6G and beyond: a perspective Kumar, Abhishek Gupta, Manoj Pitchappa, Prakash Wang, Nan Fujita, Masayuki Singh, Ranjan School of Physical and Mathematical Sciences Centre for Disruptive Photonic Technologies (CDPT) The Photonics Institute Science::Physics::Optics and light High Speed High-Resolution Imaging The development of terahertz integrated circuits is vital for realizing sixth-generation (6G) wireless communication, high-speed on-chip interconnects, high-resolution imaging, on-chip biosensors, and fingerprint chemical detection. Nonetheless, the existing terahertz on-chip devices suffer from reflection, and scattering losses at sharp bends or defects. Recently discovered topological phases of light endow the photonics devices with extraordinary properties, such as reflectionless propagation and robustness against impurities or defects, which is vital for terahertz integrated devices. Leveraging the robustness of topological edge states combined with a low-loss silicon platform is poised to offer a remarkable performance of the terahertz devices providing a breakthrough in the field of terahertz integrated circuits and high-speed interconnects. In this Perspective, we present a brief outlook of various terahertz functional devices enabled by a photonic topological insulator that will pave the path for augmentation of complementary metal oxide semiconductor compatible terahertz technologies, essential for accelerating the vision of 6G communication and beyond to enable ubiquitous connectivity and massive digital cloning of physical and biological worlds. National Research Foundation (NRF) Published version A.K., M.G., P.P., N.W., and R.S. would like to acknowledge the research funding support from National Research Foundation (NRF) Singapore (Grant No. NRF-CRP23-2019-0005). M.F. acknowledges the Core Research for Evolutional Science and Technology (CREST) program of the Japan Science and Technology Agency (Grant No. JPMJCR 21C4), KAKENHI, Japan (Grant No. 20H01064), and the commissioned research by National Institute of Information and Communications Technology (NICT), Japan (Grant No. 03001). 2023-03-27T05:48:22Z 2023-03-27T05:48:22Z 2022 Journal Article Kumar, A., Gupta, M., Pitchappa, P., Wang, N., Fujita, M. & Singh, R. (2022). Terahertz topological photonic integrated circuits for 6G and beyond: a perspective. Journal of Applied Physics, 132(14), 140901-. https://dx.doi.org/10.1063/5.0099423 0021-8979 https://hdl.handle.net/10356/165349 10.1063/5.0099423 2-s2.0-85139868249 14 132 140901 en NRF-CRP23-2019-0005 Journal of Applied Physics © 2022 Author(s). All rights reserved. This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared in Kumar, A., Gupta, M., Pitchappa, P., Wang, N., Fujita, M. & Singh, R. (2022). Terahertz topological photonic integrated circuits for 6G and beyond: a perspective. Journal of Applied Physics, 132(14), 140901-, and may be found at https://doi.org/10.1063/5.0099423. application/pdf |
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Science::Physics::Optics and light High Speed High-Resolution Imaging Kumar, Abhishek Gupta, Manoj Pitchappa, Prakash Wang, Nan Fujita, Masayuki Singh, Ranjan Terahertz topological photonic integrated circuits for 6G and beyond: a perspective |
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The development of terahertz integrated circuits is vital for realizing sixth-generation (6G) wireless communication, high-speed on-chip interconnects, high-resolution imaging, on-chip biosensors, and fingerprint chemical detection. Nonetheless, the existing terahertz on-chip devices suffer from reflection, and scattering losses at sharp bends or defects. Recently discovered topological phases of light endow the photonics devices with extraordinary properties, such as reflectionless propagation and robustness against impurities or defects, which is vital for terahertz integrated devices. Leveraging the robustness of topological edge states combined with a low-loss silicon platform is poised to offer a remarkable performance of the terahertz devices providing a breakthrough in the field of terahertz integrated circuits and high-speed interconnects. In this Perspective, we present a brief outlook of various terahertz functional devices enabled by a photonic topological insulator that will pave the path for augmentation of complementary metal oxide semiconductor compatible terahertz technologies, essential for accelerating the vision of 6G communication and beyond to enable ubiquitous connectivity and massive digital cloning of physical and biological worlds. |
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School of Physical and Mathematical Sciences |
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School of Physical and Mathematical Sciences Kumar, Abhishek Gupta, Manoj Pitchappa, Prakash Wang, Nan Fujita, Masayuki Singh, Ranjan |
format |
Article |
author |
Kumar, Abhishek Gupta, Manoj Pitchappa, Prakash Wang, Nan Fujita, Masayuki Singh, Ranjan |
author_sort |
Kumar, Abhishek |
title |
Terahertz topological photonic integrated circuits for 6G and beyond: a perspective |
title_short |
Terahertz topological photonic integrated circuits for 6G and beyond: a perspective |
title_full |
Terahertz topological photonic integrated circuits for 6G and beyond: a perspective |
title_fullStr |
Terahertz topological photonic integrated circuits for 6G and beyond: a perspective |
title_full_unstemmed |
Terahertz topological photonic integrated circuits for 6G and beyond: a perspective |
title_sort |
terahertz topological photonic integrated circuits for 6g and beyond: a perspective |
publishDate |
2023 |
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https://hdl.handle.net/10356/165349 |
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1761781639765032960 |