Magnet-Free Non-Reciprocal Photonic Platform Based on Time-Modulated Graphene

D. Correas-Serrano, Juan Sebastian Gomez Diaz

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We propose a novel paradigm to achieve giant photonic non-reciprocity based on time-modulated graphene capacitors coupled to photonic waveguides, without reliance on any magneto-optic effects. The resulting hybrid graphene-dielectric platform is low-loss, silicon-compatible, robust against graphene's imperfections, scalable from terahertz to near infrared frequencies, and it exhibits very large nonreciprocal responses using realistic biasing schemes. Analytical frameworks based on solving the eigenstates of the modulated structure and on spatial coupled mode theory have been developed to unveil the underlying physics that dominate the proposed platform and to quickly design and analyze various isolators. Results, validated through harmonic balance full-wave simulations, confirm the flexibility of our low-loss (<3dB) platform to engineer a wide variety of responses and even to extend the isolation bandwidth. We envision that this technology will pave the wave to magnetic-free, fully-integrated, and CMOS-compatible nonreciprocal components with wide applications in sensing, communication systems, and optical networks.

Original languageEnglish (US)
Title of host publication2018 2nd URSI Atlantic Radio Science Meeting, AT-RASC 2018
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9789082598735
DOIs
StatePublished - Sep 24 2018
Event2nd URSI Atlantic Radio Science Meeting, AT-RASC 2018 - Gran Canaria, Spain
Duration: May 28 2018Jun 1 2018

Other

Other2nd URSI Atlantic Radio Science Meeting, AT-RASC 2018
CountrySpain
CityGran Canaria
Period5/28/186/1/18

Fingerprint

Photonics
Graphene
Magnets
graphene
magnets
platforms
photonics
Magnetooptical effects
isolators
magneto-optics
Fiber optic networks
coupled modes
engineers
telecommunication
isolation
CMOS
capacitors
Communication systems
flexibility
eigenvectors

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Signal Processing
  • Electrical and Electronic Engineering
  • Instrumentation

Cite this

Correas-Serrano, D., & Gomez Diaz, J. S. (2018). Magnet-Free Non-Reciprocal Photonic Platform Based on Time-Modulated Graphene. In 2018 2nd URSI Atlantic Radio Science Meeting, AT-RASC 2018 [8471425] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.23919/URSI-AT-RASC.2018.8471425

Magnet-Free Non-Reciprocal Photonic Platform Based on Time-Modulated Graphene. / Correas-Serrano, D.; Gomez Diaz, Juan Sebastian.

2018 2nd URSI Atlantic Radio Science Meeting, AT-RASC 2018. Institute of Electrical and Electronics Engineers Inc., 2018. 8471425.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Correas-Serrano, D & Gomez Diaz, JS 2018, Magnet-Free Non-Reciprocal Photonic Platform Based on Time-Modulated Graphene. in 2018 2nd URSI Atlantic Radio Science Meeting, AT-RASC 2018., 8471425, Institute of Electrical and Electronics Engineers Inc., 2nd URSI Atlantic Radio Science Meeting, AT-RASC 2018, Gran Canaria, Spain, 5/28/18. https://doi.org/10.23919/URSI-AT-RASC.2018.8471425
Correas-Serrano D, Gomez Diaz JS. Magnet-Free Non-Reciprocal Photonic Platform Based on Time-Modulated Graphene. In 2018 2nd URSI Atlantic Radio Science Meeting, AT-RASC 2018. Institute of Electrical and Electronics Engineers Inc. 2018. 8471425 https://doi.org/10.23919/URSI-AT-RASC.2018.8471425
Correas-Serrano, D. ; Gomez Diaz, Juan Sebastian. / Magnet-Free Non-Reciprocal Photonic Platform Based on Time-Modulated Graphene. 2018 2nd URSI Atlantic Radio Science Meeting, AT-RASC 2018. Institute of Electrical and Electronics Engineers Inc., 2018.
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