Graphene photonic crystal waveguide modulator

WebJun 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 … WebJan 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.

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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, … 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 … something running around in my ceiling https://waexportgroup.com

Chalcogenide glass-on-graphene photonics Nature Photonics

WebMar 1, 2024 · Abstract. A compact electro-absorption modulator based on graphene photonic crystal fiber is proposed. To enhance the graphene–light interaction efficiency, the innermost six air-holes of photonic crystal fiber are replaced by two large semicircular holes, and monolayer graphene is deposited on the two large semicircular holes. 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 … something rx

Design of a graphene-based silicon nitride multimode waveguide ...

Category:Graphene-integrated waveguides: Properties, preparation, and

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Graphene photonic crystal waveguide modulator

Graphene-integrated waveguides: Properties, preparation, and

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 … WebA Terahertz Modulator Based on Graphene Plasmonic Waveguide. 肖丙刚. 2015年10月. IEEE PHOTONICS TECHNOLOGY LETTERS. SCIE. 2.11. 工程技术. A terahertz modulator based on double-layer graphene. ... Design and measurement of all-rod terahertz photonic crystal fiber with air-core.

Graphene photonic crystal waveguide modulator

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WebSep 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 … 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 · In this letter, we propose and demonstrate an all-optical modulator based on a monolayer graphene-photonic crystal fiber (G-PCF) composite waveguide fabricated using the atmospheric pressure chemical vapor deposition (APCVD) method. A monolayer graphene can be directly grown onto the inner hole walls of PCF without wet transfer … 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.

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 ... WebCombining the curved waveguide with the straight waveguide improves the coupling efficiency of the one-dimensional photonic crystal nanobeam cavity and the nanowire …

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]

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 … small claims in michiganWebNov 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 ... small claims inglewoodWebAug 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 ... small claims in northern irelandWebOct 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. something rude in wordsWebOct 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 ... something rulesWebAnalysis of an electro-optic modulator based on a graphene-silicon hybrid 1D photonic crystal nanobeam cavity Ting Pan, 1 Ciyuan Qiu,1,* Jiayang Wu, 1 Xinhong Jiang, Boyu Liu, Yuxing Yang, Huanying Zhou,1 Richard Soref,2 and Yikai Su1 1State Key Lab of Advanced Optical Communication Systems and Networks, Department of Electronic … small claims in ada countyWebJun 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 … small claims in england