4.6 Article

Silicon graphene waveguide tunable broadband microwave photonics phase shifter

Journal

OPTICS EXPRESS
Volume 22, Issue 7, Pages 8094-8100

Publisher

OPTICAL SOC AMER
DOI: 10.1364/OE.22.008094

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Funding

  1. Research Excellency Award Program [GVA PROMETEO 2013/012]

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We propose the use of silicon graphene waveguides to implement a tunable broadband microwave photonics phase shifter based on integrated ring cavities. Numerical computation results show the feasibility for broadband operation over 40 GHz bandwidth and full 360 degrees radiofrequency phase-shift with a modest voltage excursion of 0.12 volt. (C) 2014 Optical Society of America

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