2018
DOI: 10.1109/jphot.2018.2789894
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Waveguide Engineering of Graphene Optoelectronics—Modulators and Polarizers

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Cited by 49 publications
(31 citation statements)
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“…Allying with a family of 2D materials, their exceptional attributes have found fertile soil in the realm of photonics and electronics 30 with vastly growing number of scientific studies every year, such as broadband modulators and photodetectors 31 37 . By shifting the chemical potential μ c of graphene, we can effectively control its optical attributes via electrical gating 38 .The complex permittivity of graphene undergoes dramatic variations when μ c is tuned to block interband transitions 31 34 . It facilitates the way of utilizing graphene to achieve electrically tunable optical antennas 20 24 .…”
Section: Resultsmentioning
confidence: 99%
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“…Allying with a family of 2D materials, their exceptional attributes have found fertile soil in the realm of photonics and electronics 30 with vastly growing number of scientific studies every year, such as broadband modulators and photodetectors 31 37 . By shifting the chemical potential μ c of graphene, we can effectively control its optical attributes via electrical gating 38 .The complex permittivity of graphene undergoes dramatic variations when μ c is tuned to block interband transitions 31 34 . It facilitates the way of utilizing graphene to achieve electrically tunable optical antennas 20 24 .…”
Section: Resultsmentioning
confidence: 99%
“…The green dotted line depicts the σ sca spectrum of a broader antenna ( l × w × h = 160 × 50 × 50 nm) and a stronger scattering intensity plus blueshifted resonant wavelength is exhibited. h-BN is selected as the spacer material for it can maintain the high carrier mobility of graphene and reduce the device’s total capacitance-resistance (RC) parameter 34 , 39 . Moreover, it provides electrical insulation and encapsulate graphene from environmental contaminations.…”
Section: Resultsmentioning
confidence: 99%
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“…Among the many materials used to configure waveguide polarizers, graphene—a single layer of C atoms packed in a honeycomb structure—is the most attractive light‐absorbing material and efficiently eliminates the unwanted polarization mode in a planar waveguide . By optimizing the waveguide parameters, such as the physical dimensions, the presence or absence of the upper‐cladding, and the superstrate refractive index, numerous theoretical and experimental studies on graphene‐based waveguide polarizer have been performed …”
Section: Introductionmentioning
confidence: 99%
“…For example, [4], [5] use graphene-based waveguides to address polarization issues. The model of a planar dielectric waveguide with two-dimensional semiconductors is presented in [6].…”
Section: Introductionmentioning
confidence: 99%