Graphene photonic crystal waveguide modulator

Author: jsvd

August undefined, 2024

WebLi et al. integrated graphene on the photonic crystal waveguide with a lateral p-i-n configuration which creates a built-in electrical field and enables the bias-free photodetection. Besides photonic crystal waveguides, … WebNov 13, 2024 · We present a graphene photodetector for datacom 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 a split-gate electrode to create a p–n junction in …

High-speed Integrated Graphene−silicon Slot Waveguide Electro ...

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 … WebJul 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 waveguide capacity and easy-integrability of the PCF, and this has been proven to be an important step towards multimaterial multifunctional fiber and all-fiber integrated circuits. small town church interior

Double-layer graphene on photonic crystal waveguide …

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 … WebNov 23, 2024 · Silicon-based graphene photonic crystal modulator. (a) Structure, photonic band diagram, electric field distribution, and equivalent circuit of the graphene modulator [62]. (b) SEM image of the ... WebMay 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, … small town christmas vacation spots

Graphene-based optical phase modulation of waveguide …

Graphene-integrated waveguides: Properties, preparation, and

WebCombining the curved waveguide with the straight waveguide improves the coupling efficiency of the one-dimensional photonic crystal nanobeam cavity and the nanowire waveguides. A layer of Al 2 O 3 is covered on top of the silicon plate and the one-dimensional photonic crystal nanobeam cavity, and a single-layer graphene is added … WebJul 30, 2024 · Using the sum frequency generation cross-correlation frequency-resolved optical gating (SFG-XFROG) measurement setup, we observed the soliton evolution of … highways heroes awards 2022WebSep 15, 2016 · The unique optical and electronic properties of graphene allow one to realize active optical devices. While several types of graphene-based photonic modulators … highways heroes

"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

Graphene photonic crystal waveguide modulator

An ITO–graphene heterojunction integrated absorption modulator …

WebWe demonstrate a double-layer graphene electro-absorption photonic crystal waveguide modulator. The modulator exhibits a modulation depth (MD) of 0.5 dB/μm with a … WebCombining the curved waveguide with the straight waveguide improves the coupling efficiency of the one-dimensional photonic crystal nanobeam cavity and the nanowire …

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WebSep 28, 2024 · We present a silicon photonic crystal waveguide slow light Mach-Zehnder modulator suitable for this purpose. The enhancement in the modulation efficiency via … WebAug 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 ...

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 … 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 …

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. 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 ...

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 ...

WebSeed IP Law Group. Feb 2024 - Present1 year 3 months. Seattle, Washington, United States. • Drafting patent applications in semiconductors, optics, electrical circuits, MEMS, telecommunications ... highways hertfordshireWebFei FAN, Professor Cited by 2,616 of Nankai University, Tianjin (NKU) Read 173 publications Contact Fei FAN highways herefordshire councilWebMay 8, 2011 · The gigahertz graphene modulator demonstrates a strong electroabsorption modulation of 0.1 dB µm −1 and operates over a broad range of wavelength, from 1.35 … small town cinemahttp://otip.sjtu.edu.cn/publication/Journal/2015-OE-PanTing-Analysis%20of%20an%20Electro-optic%20Modulator.pdf small town circusWebGraphene-integrated waveguides (GIWGs) have shown immense potential for applications in next-generation datacom technology due to graphene’s compactness and its functional complementarity with traditional optical waveguides. However, the fabrication techniques of GIWGs lack scalability for commercial applications. Here we discuss the recent … small town city clerkWebFeb 1, 2024 · A team led by T. Gu at the University of Delaware developed a device configuration based on an in-plane p-i-n junction made of graphene on a silicon photonic crystal waveguide. The photonic ... small town church musicWebJun 15, 2024 · Semantic Scholar extracted view of "Wideband switch enhanced by photonic crystal waveguide with graphene nanosheet heater" by Xiaoxu Chen et al. ... The proposed modulator can provide a large free spectral range (FSR) of 125.6 nm, a high modulation speed of 133 GHz, and a large modulation depth of ~12.5 dB in a small … highways hedges