Graphene photonic crystal waveguide modulator
WebJan 12, 2024 · Metamaterial-based graphene waveguide was probed in . The waveguide was composed of four layers in which graphene layer was deposited on plasma … WebFeb 15, 2024 · Section snippets Optimization of the graphene-on-SiN multimode waveguide. The graphene-based SiN waveguide integrated electro-optic modulator was designed on a SiN-on-insulator wafer with 300 nm SiN layer (H) [11] and 4 μ m buried oxide (BOX), as shown in Fig. 2. The SiN multimode waveguides with a width (W) of 1600 nm …
Graphene photonic crystal waveguide modulator
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WebOct 30, 2024 · Graphene-sandwiched photonic-crystal thermo-optic switch. a, ... we utilize the versatile ChG material to demonstrate the first graphene-based waveguide modulator operating in the mid-infrared. WebWe also fabricated the graphene modulator on silicon platform, and the device achieved a modulation bandwidth at 12 GHz. The proposed graphene-PhCW modulator may have potentials in the applications of on-chip interconnections. KW - Photonic crystal waveguides. KW - Graphene. KW - Modulators. KW - Electro-optical devices. U2 - …
WebMar 13, 2024 · Moreover, Pan et al. designed the electro-refractive modulator based on one-dimensional photonic crystal nanobeam cavity coupled to a bus waveguide with a … WebJun 1, 2014 · A lot of graphene-based photonic modulators have been ... the waveguide modulator offers 324.4 and 162.2 GHz bandwidth for 100-and 200 µm-waveguide …
WebGraphene has been widely used in silicon-based optical modulators for its ultra-broadband light absorption and ultrafast optoelectronic response. By incorporating graphene and … WebCombining the curved waveguide with the straight waveguide improves the coupling efficiency of the one-dimensional photonic crystal nanobeam cavity and the nanowire …
WebAug 26, 2024 · An all-optical modulator based on graphene-photonic crystal fiber (G-PCF) is demonstrated, where the G-PCF is fabricated by directly growing graphene onto inner hole walls of the PCF with atmospheric pressure chemical vapor deposition. A 1550 nm pump laser is used to induce all-optical intensity modulation of probe light.
Web14 hours ago · Electro-optic polymer infiltrated silicon photonic crystal slot waveguide modulator with 23 dB slow light enhancement. Appl. Phys. Lett., 97 (2010), Article 093304. Google Scholar [6] ... Design of electro-optic modulators based on graphene-on-silicon slot waveguides. Opt. Lett., 41 (11) (2016), pp. 2501-2504. View in Scopus Google Scholar [20] ray county missouri real estateWebNov 5, 2024 · We demonstrate a high-performance graphene-silicon slot-waveguide electro-optic micro-ring modulator featuring a record modulation efficiency of 10.99 V ⁻¹ µm ⁻¹ with a 33-dB extinction ... ray county missouri property taxWebIn 2011, the first silicon-based graphene electro-absorption modulator was experimentally demonstrated using the GOS regime [ 26 ]. Under ambient conditions, the modulation of guided light works at frequencies over 1 … ray county missouri vital records officeWebJun 11, 2024 · Optical phased arrays (OPAs) are essential optical elements in applications that require the ability to manipulate the light-wavefront, such as beam focusing and light steering. To miniaturize the optical components, active metasurfaces, especially graphene metasurfaces, are used as competent alternatives. However, the metasurface cannot … ray county missouri sheriff\u0027s officeWebNov 13, 2024 · We present a graphene photodetector for telecom applications based on a silicon photonic crystal defect waveguide. The photonic structure is used to confine the propagating light in a narrow region in the graphene layer to enhance light-matter interaction. Additionally, it is utilized as split-gate electrode to create a pn-junction in the … ray county missouri tax recordsWebJul 30, 2024 · Using the sum frequency generation cross-correlation frequency-resolved optical gating (SFG-XFROG) measurement setup, we observed the soliton evolution of low energy pulse in an Si photonic crystal waveguide, and it exhibited the pulse broadening, blue shift, and evident pulse acceleration. The soliton evolution was also investigated by … ray county missouri sheriffWebJan 15, 2024 · By electrostatic gating a single layer of graphene on top of a photonic crystal cavity, the cavity resonance can be changed significantly and the analysis shows that a graphene-photonic crystal device can potentially be useful for a high speed and low power absorptive and refractive modulator, while maintaining a small physical footprint. simple stained glass church windows