Graphene photonic crystal waveguide modulator
WebNov 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 … 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.
Graphene photonic crystal waveguide modulator
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WebOct 25, 2012 · The combination of graphene with photonic crystals is promising for electro-optic modulation. In this paper, we demonstrate that by electrostatic gating a single layer of graphene on top of a photonic crystal cavity, the cavity resonance can be changed significantly. A ~2 nm change in the cavity resonance line width and almost 400% (6 dB ... WebDec 2, 2024 · A waveguide-integrated graphene-based electro-absorption modulator was achieved by actively tuning the Fermi level of a monolayer graphene sheet showing a high modulation efficiency over a broad range of wavelength. 29 29. M.
WebMar 4, 2024 · Partially overlapping graphene layers, via graphene-Al2O3-graphene stack, were used above and below the slotted waveguide. A low-energy consumption electro-optic modulator based on the photonic ... WebNov 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 ...
WebJul 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 … WebGraphene absorbers have attracted lots of interest in recent years. They provide huge potential for applications such as photodetectors, modulators, and thermal emitters. In this letter, we design a high-quality (Q) factor resonant graphene absorber based on the phase change material Sb2S3. In the proposed structure, a refractive index grating is formed at …
WebSep 28, 2024 · For next-era optical interconnects in data centers, development of compact, energy-efficient, low-cost, and high-speed optical transceivers are required, for which high-performance external modulators in silicon photonics will be key components. We present a silicon photonic crystal waveguide slow light Mach-Zehnder modulator suitable for …
WebIn 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 … dutch hostelworldWebMar 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 … dutch host inn packages 2021WebAug 12, 2024 · Graphene is a promising material in photonic and optoelectronic applications due to its superior properties of high carrier mobility, broadband optical … Metrics - Graphene photonic crystal fibre with strong and tunable light–matter ... dutch host inn amish country ohioWebFeb 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 … cryptovision softwareWebJul 16, 2024 · Graphene-photonic crystal fibers (PCFs) are obtained by integrating the broadband optical response and electro-optic tunability of graphene with the high-quality … cryptovista.orgWebJan 12, 2024 · Metamaterial-based graphene waveguide was probed in . The waveguide was composed of four layers in which graphene layer was deposited on plasma … dutch hospitalsWebMay 1, 2024 · Double-layer graphene on photonic crystal waveguide electro-absorption modulator with 12 GHz bandwidth. Nanophotonics (2024) View more references. Cited by (5) An Innovative method for adjustable broadband THz to Mid-IR optical modulator using Graphene Gratings surface plasmon Fabry–Perot resonances with low insertion loss, … dutch hot chocolate recipe