Broadband low-loss efficient optical plasmonic modulator based on graphene and bowtie-shape waveguide

被引：1

作者：

Elshahat, Dina Reda. ^{[1
,2
]}

Areed, Nihal F. F. ^{[1
]}

Yousif, Bedir ^{[3
,4
]}

Elzalabani, Mahmoud ^{[1
]}

机构：

[1] Mansoura Univ, Fac Engn, Dept Elect & Commun Engn, Mansoura 35516, Egypt

[2] Higher Inst Engn & Technol, Dept Elect & Commun Engn, New Damietta 41525, Egypt

[3] Kafrelsheikh Univ, Fac Engn, Dept Elect Engn, Kafrelsheikh 35514, Egypt

[4] Private Onaizah Coll, Fac Engn & Informat Technol, Dept Elect Engn, Al Qassim, Saudi Arabia

来源：

OPTICAL AND QUANTUM ELECTRONICS | 2023年 / 55卷 / 05期

关键词：

Hybrid graphene plasmonic; Modulation depth; Broadband modulator; PHOTONICS;

D O I：

10.1007/s11082-023-04762-4

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A broadband plasmonic optical modulator based on a bowtie-shape waveguide and dual graphene layers has been investigated. The proposed structure is designed at TE mode over a range of wavelengths extending from 1100 to 1900 nm. The performance of the modulator has been tuned by adjusting the geometry of the bowtie structure. The proposed modulator's performance has been characterized using propagation loss, bandwidth, power consumption, and modulation depth. The obtained results show at a wavelength of 1.55 mu m that the loss, modulation depth, and small footprint read 0.0257, 0.5829 dB/mu m, and (0.5 x 12.17 mu m), respectively. Additionally, the proposed modulator offers modulation bandwidth and power consumption of about 151.7 GHz and 32.919 fJ/bit, respectively.

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页数：12

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