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Recent progress in waveguide-integrated graphene photonic devices for sensing and communication applications

Recent progress in waveguide-integrated graphene photonic devices for sensing and communication applications
Recent progress in waveguide-integrated graphene photonic devices for sensing and communication applications
Graphene is a two-dimensional material with numerous intriguing optical properties, such that graphene photonic devices have attracted great interest for sensing and communication applications. However, surface-illuminated graphene photonic devices usually suffer from weak light-matter interactions due to the atomic-layer thickness of graphene, seriously limiting performances of such devices. To tackle this problem, waveguide-integrated graphene photonic devices have been demonstrated since 2010, which offer the advantage of much longer interaction length between the evanescent field of the optical waveguide and graphene than the surface-illuminated devices. Moreover, the fabrication of waveguide-integrated graphene photonic devices is compatible with the CMOS technology, allowing potentially low-cost and high-density on-chip integration. To date, the tremendous interest is growing in the hybrid integration platform composed of graphene and silicon photonic integrated circuits. In this paper, we review the recent progress in waveguide-integrated graphene photonic devices and their applications in sensing and communication.
graphene, silicon photonics, saturable absorption, electro-optic modulator, photodetector
0429-7725
Wang, Jiaqi
924cbc84-6640-4f82-8964-82f174a0f31a
Xing, Zhengkun
400b2d90-42ca-4877-9c99-ee76050d4637
Chen, Xia
64f6ab92-ca11-4489-8c03-52bc986209ae
Cheng, Zhenzhou
3f15783f-7ba2-4235-9f07-8130fc78ac0f
Li, Xuejin
9b243ab8-577e-4bb2-b38b-0ff939f92318
Liu, Tiegen
98f47919-3f5c-4793-8fc1-2aeb86976c59
Wang, Jiaqi
924cbc84-6640-4f82-8964-82f174a0f31a
Xing, Zhengkun
400b2d90-42ca-4877-9c99-ee76050d4637
Chen, Xia
64f6ab92-ca11-4489-8c03-52bc986209ae
Cheng, Zhenzhou
3f15783f-7ba2-4235-9f07-8130fc78ac0f
Li, Xuejin
9b243ab8-577e-4bb2-b38b-0ff939f92318
Liu, Tiegen
98f47919-3f5c-4793-8fc1-2aeb86976c59

Wang, Jiaqi, Xing, Zhengkun, Chen, Xia, Cheng, Zhenzhou, Li, Xuejin and Liu, Tiegen (2020) Recent progress in waveguide-integrated graphene photonic devices for sensing and communication applications. Frontiers in Physics, 8, [37]. (doi:10.3389/fphy.2020.00037).

Record type: Article

Abstract

Graphene is a two-dimensional material with numerous intriguing optical properties, such that graphene photonic devices have attracted great interest for sensing and communication applications. However, surface-illuminated graphene photonic devices usually suffer from weak light-matter interactions due to the atomic-layer thickness of graphene, seriously limiting performances of such devices. To tackle this problem, waveguide-integrated graphene photonic devices have been demonstrated since 2010, which offer the advantage of much longer interaction length between the evanescent field of the optical waveguide and graphene than the surface-illuminated devices. Moreover, the fabrication of waveguide-integrated graphene photonic devices is compatible with the CMOS technology, allowing potentially low-cost and high-density on-chip integration. To date, the tremendous interest is growing in the hybrid integration platform composed of graphene and silicon photonic integrated circuits. In this paper, we review the recent progress in waveguide-integrated graphene photonic devices and their applications in sensing and communication.

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Accepted/In Press date: 6 February 2020
Published date: 21 February 2020
Keywords: graphene, silicon photonics, saturable absorption, electro-optic modulator, photodetector

Identifiers

Local EPrints ID: 438291
URI: http://eprints.soton.ac.uk/id/eprint/438291
ISSN: 0429-7725
PURE UUID: f4b2c93e-eb64-4c16-bf47-9167053dbc3f
ORCID for Xia Chen: ORCID iD orcid.org/0000-0002-0994-5401

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Date deposited: 04 Mar 2020 17:33
Last modified: 18 Feb 2021 17:19

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