150 Gbps THz Chipscale Topological Photonic Diplexer

Gupta, Manoj; Kumar, Abhishek; Pitchappa, Prakash; Tan, Yi Ji; Szriftgiser, Pascal; Ducournau, Guillaume; Singh, Ranjan

Document type :

Article dans une revue scientifique: Article original

DOI :

10.1002/adma.202309497

Title :

150 Gbps THz Chipscale Topological Photonic Diplexer

Author(s) :

Gupta, Manoj [Auteur]
Nanyang Technological University [Singapour] [NTU]
Division of Physics and Applied Physics [Nanyang Technological University] [SPMS-PAP-02-01]
Kumar, Abhishek [Auteur]
Nanyang Technological University [Singapour] [NTU]
Pitchappa, Prakash [Auteur]
Agency for science, technology and research [Singapore] [A*STAR]
Tan, Yi Ji [Auteur]
Szriftgiser, Pascal [Auteur]

Laboratoire de Physique des Lasers, Atomes et Molécules - UMR 8523 [PhLAM]
Ducournau, Guillaume [Auteur]

Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 [IEMN]
Photonique THz - IEMN [PHOTONIQUE THZ - IEMN]
Singh, Ranjan [Auteur]
Division of Physics and Applied Physics [Nanyang Technological University] [SPMS-PAP-02-01]

Journal title :

Advanced Materials

Publisher :

Wiley-VCH Verlag

Publication date :

2024-02-13

ISSN :

0935-9648

HAL domain(s) :

Physique [physics]
Sciences de l'ingénieur [physics]

English abstract : [en]

Photonic diplexers are being widely investigated for high data transfer rates in on‐chip communication. However, dividing the available spectrum into non‐overlapping multicarrier frequency sub‐bands has remained a challenge ...
Show more >Photonic diplexers are being widely investigated for high data transfer rates in on‐chip communication. However, dividing the available spectrum into non‐overlapping multicarrier frequency sub‐bands has remained a challenge in designing frequency‐selective time‐invariant channels. Here, we report an on‐chip topological diplexer exhibiting terahertz frequency band filtering through Klein tunnelling of topological edge modes. The silicon topological diplexer chip facilitates two high‐speed channels with quadrature amplitude modulation (QAM) over a broad bandwidth of 12.5 GHz each. These channels operate at carrier frequencies of 305 GHz and 321.6 GHz, achieving a combined diplexer capacity of 150 Gbit/s. To ensure minimal interference between adjacent channels, a guard band is implemented. Topologically protected edge modes suppress the frequency selective fading of the broadband signals and hold promise for diverse integrated photonic applications spanning terahertz and telecommunication realms, including the design of lossless topological multiplexers, interconnects, antennas, and modulators for the sixth to X generation (6G to XG) wireless. This article is protected by copyright. All rights reservedShow less >

Language :

Anglais

Peer reviewed article :

Oui

Audience :

Internationale

Popular science :

Non

ANR Project :

Investissements en NANOfabrication pour les nanotechnologies du FUTUR
Convertisseurs THz agiles & fonctionnalisés - FUNctionalized & agile TERAhertz converters
Devices and SYStems enabling Ultra High Data-rates links in sub-TERAhertz

Collections :

Institut d'Électronique, de Microélectronique et de Nanotechnologie (IEMN) - UMR 8520

Source :

Harvested from HAL

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