Screen-printed graphene tailoring the amplitude of guided wave in the rectangular waveguide for millimeter wave applications

被引：5

作者：

He, Guoqiang ^{[1
,2
]}

Lu, Yu ^{[3
]}

Xu, Tao ^{[3
]}

Pinto, Artur M. ^{[4
,5
,6
]}

Stiens, Johan ^{[2
,7
]}

Friedrich, Heiner ^{[4
,5
,8
]}

机构：

[1] Shanghai Univ, Key Lab Specialty Fiber Opt & Opt Access Networks, Joint Int Res Lab Specialty Fiber Opt & Adv Commun, Shanghai 200444, Peoples R China

[2] Vrije Univ Brussel VUB, Fac Engn, Dept Elect & Informat ETRO IR, B-1050 Brussels, Belgium

[3] Shanghai Univ, Sch Commun & Informat Engn, Shanghai 200444, Peoples R China

[4] Eindhoven Univ Technol, Lab Phys Chem, POB 513, NL-5600 MB Eindhoven, Netherlands

[5] Eindhoven Univ Technol, Ctr Multiscale Electron Microscopy, Dept Chem Engn & Chem, POB 513, NL-5600 MB Eindhoven, Netherlands

[6] Univ Porto, Fac Engn, LEPABE, Rua Roberto Frias, P-4200465 Porto, Portugal

[7] IMEC, SSET Dept, Kapeldreef 75, B-3001 Leuven, Belgium

[8] Eindhoven Univ Technol, Eindhoven Hendrik Casimir Inst, Groene Loper 19, NL-5612 AP Eindhoven, Netherlands

来源：

基金：

欧盟地平线“2020”; 中国国家自然科学基金;

关键词：

Graphene; Screen-printing; Millimeter-wave; Metallic waveguide; Transmittance modulation; METAMATERIALS; ANTENNA;

D O I：

10.1016/j.diamond.2023.109961

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Graphene as an optoelectronic material displays unique advantages in the modulation of amplitude and phase of millimeter waves attributed to its high carrier mobility and broadband optoelectronic properties. The electronic properties of graphene are precisely controllable with the screen-printing technique. We herein employed the screen-printed graphene to manipulate the transmission of the guided millimeter waves in a metallic waveguide. The effects of the patterns and sizes of screen-printed graphene on the modulation of guided waves are first investigated and found that the rhombus is the optimal pattern shape in terms of linearly broadband modulation and reflection loss. The advanced screen-printing technique enables tuning the sheet resistance of the graphene from 45 Cd/sq. to 205 Cd/sq. Numerical simulation shows that the maximum transmittance modulation depth of the guided wave is about 20 dB related to the tuning range of the graphene sheet resistance. A millimeter-wave metallic waveguide integrated with screen-printed graphene is fabricated and measured to validate the proposed scenario. The broadband transmittance modulation depth of 4 dB is experimentally observed with reflection loss lower than -15 dB in the full frequency band of 60-75 GHz, which is consistent with simulated results. The guided wave modulation with screen-printed graphene exhibits great opportunities in millimeter wave devices and systems.

引用

页数：6

共 38 条

[1] Graphene screen-printed radio-frequency identification devices on flexible substrates [J].