Sub-terahertz (THz) frequency is attracting extensive interests for a wide range of applications. Electronically tunable phase shifters as one of the key building blocks in sub-THz systems, especially waveguide based phase shifters, encounter difficulties in both design and fabrication. In this paper, an electronically tunable rectangular metallic waveguide with graphene integrated operating in sub-THz frequency is proposed and its phase modulation properties are investigated. It shows that a maximum 34-degree linear phase shift is obtained at 315 GHz with bandwidth more than 50 GHz, and the reflection and maximum insertion loss are lower than -15 dB and 3.5 dB in this frequency range, respectively. The phase modulation feature can be applied to design of graphene based waveguide phase shifters and other graphene based waveguide phase modulators.
Original languageEnglish
Title of host publication2016 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications
Place of PublicationPiscataway
PublisherIEEE
Number of pages4
ISBN (Electronic)978-1-5090-2017-1
ISBN (Print)978-1-5090-2018-8
Publication statusPublished - 20 Jul 2016
EventIEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications 2016  - IEEE, Chengdu, China
Duration: 20 Jul 201622 Jul 2016
http://www.ee.uestc.edu.cn/imws-amp2016/

Conference

ConferenceIEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications 2016 
CountryChina
CityChengdu
Period20/07/1622/07/16
Internet address

    Research areas

  • phase modulation, graphene, THZ, waveguide, phase shifters

ID: 25623027