Optical multiplexing techniques and their marriage for on-chip and optical fiber communication: a review
オンチップ通信と光ファイバー通信のための光多重化技術とその結合: レビュー
광 다중화 기술과 온칩 및 광섬유 통신의 결합: 검토
Técnicas de multiplexación óptica y su unión para comunicación en chip y fibra óptica: una revisión
Techniques de multiplexage optique et leur mariage pour la communication sur puce et fibre optique : un bilan
Методы оптического мультиплексирования и их сочетание для внутрикристальной и оптоволоконной связи: обзор
Svetlana Nikolaevna Khonina ¹ ², Nikolay Lvovich Kazanskiy ¹ ², Muhammad Ali Butt ² ³, Sergei Vladimirovich Karpeev ¹ ²
¹ IPSI RAS-Branch of the FSRC "Crystallography and Photonics" RAS, Samara 443001, Russia
² Samara National Research University, Samara 443086, Russia
³ Warsaw University of Technology, Institute of Microelectronics and Optoelectronics, Koszykowa 75, Warszawa 00-662, Poland
Opto-Electronic Advances, 15 July 2022

Herein, an attention-grabbing and up-to-date review related to major multiplexing techniques is presented which includes wavelength division multiplexing (WDM), polarization division multiplexing (PDM), space division multiplexing (SDM), mode division multiplexing (MDM) and orbital angular momentum multiplexing (OAMM). Multiplexing is a mechanism by which multiple signals are combined into a shared channel used to showcase the maximum capacity of the optical links. However, it is critical to develop hybrid multiplexing methods to allow enhanced channel numbers.

In this review, we have also included hybrid multiplexing techniques such as WDM-PDM, WDM-MDM and PDM-MDM. It is probable to attain N×M channels by utilizing N wavelengths and M guided-modes by simply utilizing hybrid WDM-MDM (de)multiplexers. To the best of our knowledge, this review paper is one of its kind which has highlighted the most prominent and recent signs of progress in multiplexing techniques in one place.
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