Graphene Embedded Modulator with Extremely Small Footprint and High Modulation Efficiency | Zendy

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Graphene Embedded Modulator with Extremely Small Footprint and High Modulation Efficiency

Author(s) -

Ran Hao,

Jiamin Jin

Publication year - 2014

Publication title -

journal of photonics

Language(s) - English

Resource type - Journals

eISSN - 2356-7562

pISSN - 2314-6451

DOI - 10.1155/2014/309350

Subject(s) - graphene , extinction ratio , modulation (music) , materials science , optoelectronics , ultrashort pulse , footprint , optics , nanotechnology , wavelength , physics , laser , acoustics , paleontology , biology

By embedding graphene sheet in the silicon waveguide, the overall effective mode index displays unexpected symmetry and the electrorefraction effect has been significantly enhanced near the epsilon-near-zero point. An eight-layer graphene embedded Mach-Zehnder Modulator has been theoretically demonstrated with the advantage of ultracompact footprint (4 × 2 μm2), high modulation efficiency (1.316 V·μm), ultrafast modulation speed, and large extinction ratio. Our results may promote various on-chip active components, boosting the utilization of graphene in optical applications

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