Analysis of an Electro-Optic Modulator Based Photonic Crystal Nanobeam Cavity Coupled to Alternating Structure of Graphene on Aluminum Oxide

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Ferdosian Tehrani Mozafaredin; Ghayour Rahim; Mohitpour Maryam

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Journal: JOURNAL OF COMMUNICATION ENGINEERING Year:2022 | Volume:12 | Issue:45 Page(s): 61-74

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Information Journal Paper

Title

Analysis of an Electro-Optic Modulator Based Photonic Crystal Nanobeam Cavity Coupled to Alternating Structure of Graphene on Aluminum Oxide

Author(s)

Ferdosian Tehrani Mozafaredin | Ghayour Rahim | Mohitpour Maryam | Issue Writer Certificate

Keywords

Aluminum Oxide

Photonic Crystal Nanobeam Cavity

Modulator

Graphene

Abstract

In this paper, we present an electro-optical Modulator based on Graphene absorption. In this structure, Graphene is placed on Aluminum Oxide, the structure of which is repeated alternately. This alternating structure of Graphene on Aluminum Oxide is located inside a semi-cylindrical cavity in a 1-dimensional Photonic Crystal Nanobeam Cavity. Unlike previous articles, which consisted of cylinder holes and different areas in the nanobeam cavity are formed by changing the radius of the holes, in this structure, semicylinder holes have been used and, different areas are formed by rotating these semi-cylinders. This type of crystal photonics has a high-quality factor. Also, this type of Modulator requires little space after construction, In this paper, the three-dimensional finite-difference time-domain method is used for analysis. In this Modulator, it is observed that by changing the bias voltage, the amount of absorption peak and also its resonance wavelength are changed. As a result of these changes, we achieve a modulation depth of about 7dB.

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APA: Copy

Ferdosian Tehrani, Mozafaredin, Ghayour, Rahim, & Mohitpour, Maryam. (2022). Analysis of an Electro-Optic Modulator Based Photonic Crystal Nanobeam Cavity Coupled to Alternating Structure of Graphene on Aluminum Oxide. JOURNAL OF COMMUNICATION ENGINEERING, 12(45 ), 61-74. SID. https://sid.ir/paper/963247/en

Vancouver: Copy

Ferdosian Tehrani Mozafaredin, Ghayour Rahim, Mohitpour Maryam. Analysis of an Electro-Optic Modulator Based Photonic Crystal Nanobeam Cavity Coupled to Alternating Structure of Graphene on Aluminum Oxide. JOURNAL OF COMMUNICATION ENGINEERING[Internet]. 2022;12(45 ):61-74. Available from: https://sid.ir/paper/963247/en

IEEE: Copy

Mozafaredin Ferdosian Tehrani, Rahim Ghayour, and Maryam Mohitpour, “Analysis of an Electro-Optic Modulator Based Photonic Crystal Nanobeam Cavity Coupled to Alternating Structure of Graphene on Aluminum Oxide,” JOURNAL OF COMMUNICATION ENGINEERING, vol. 12, no. 45 , pp. 61–74, 2022, [Online]. Available: https://sid.ir/paper/963247/en

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