Hybrid/Integrated Silicon Photonics Based on 2D Materials in Optical Communication Nanosystems

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Hybrid/Integrated Silicon Photonics Based on 2D Materials in Optical Communication Nanosystems

You, J; Luo, Y; Yang, J; Zhang, J; Yin, K; Wei, K; Zheng, X; (2020) Hybrid/Integrated Silicon Photonics Based on 2D Materials in Optical Communication Nanosystems. Laser & Photonics Reviews , 14 (12) , Article 2000239. 10.1002/lpor.202000239. Green open access

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Abstract

Silicon (Si) photonics have established as leading technologies in addressing the rapidly increasing demands of huge data transfer in optical communication systems with compact footprints, small power consumption, and ultradense bandwidth, which are driven by the next generation supercomputers and big data era. Particularly, Si photonics will penetrate into optical communication links at an ever‐small scale, namely chip‐to‐chip and on‐chip. However, the nanostructures made of Si with an indirect bandgap are not ideal candidates for on‐chip light sources, modulators, and photodetectors, which most‐frequently require optical materials with direct bandgap. Thanks to the advent of graphene, transition metal dichalcogenides and other two‐dimensional (2D) materials, which can facilitate extraordinary progresses in improving device performance at the ultrathin scale, their integration with Si photonics furnishes a heterogeneous platform to construct fully functional and highly integrated photonic communication systems. In this work, the current advancements in the on‐chip applications of Si photonics‐2D materials heterostructures, inclusive of all essential chip‐scale modules and integrated circuits, as well as the future prospective and challenges are reviewed and discussed. The present study sets out to objectively measure the feasibility of the hybrid integration between Si photonics and 2D materials in on‐chip optical communications and the advanced applications beyond.

Type:	Article
Title:	Hybrid/Integrated Silicon Photonics Based on 2D Materials in Optical Communication Nanosystems
Open access status:	An open access version is available from UCL Discovery
DOI:	10.1002/lpor.202000239
Publisher version:	http://dx.doi.org/10.1002/lpor.202000239
Language:	English
Additional information:	© 2020 The Authors. Laser & Photonics Reviews published by Wiley-VCH GmbH. This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.
Keywords:	Condensed Matter, Physics, 2D materials, heterostructures, hybrid photonic circuits, chip optical communication and processing, silicon photonics, TRANSITION-METAL DICHALCOGENIDES, HEXAGONAL BORON-NITRIDE, LIGHT-EMITTING DIODE, BLACK PHOSPHORUS, 2-DIMENSIONAL MATERIALS, WAVE-GUIDES, ON-CHIP, HIGH-RESPONSIVITY, SLOW-LIGHT, FEW-LAYER
UCL classification:	UCL UCL > Provost and Vice Provost Offices > School of Education UCL > Provost and Vice Provost Offices > School of Education > UCL Institute of Education UCL > Provost and Vice Provost Offices > School of Education > UCL Institute of Education > Centre for Languages and Intl Educatn
URI:	https://discovery.ucl.ac.uk/id/eprint/10118183