Terahertz Input-Reflectionless Waveguide Filter

Juseop Lee; Han Yu Tao; Sanggu Lee; N. Scott Barker

doi:10.1109/IMS19712.2021.9575011

Terahertz Input-Reflectionless Waveguide Filter

Juseop Lee, Han Yu Tao, Sanggu Lee, N. Scott Barker

Department of Computer Science and Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

2 Citations (Scopus)

Abstract

This paper presents, for the first time, the design of a terahertz waveguide input-reflectionless filter operating at WR3.4 band. The filter has filtering and matching sections, and they are combined at the input port. The filter has been designed to have three resonators in the filtering section and one resonator in the matching section. The normalized coupling values producing the return loss larger than 13 dB in both the passband and the stopband have been derived for designing the filter. For demonstration, the filter was designed based on the target center frequency and fractional bandwidth set to 275 GHz and 3 %, respectively. The measured return loss is larger than 10 dB over the entire WR3.4 band from 220 GHz to 330 GHz.

Original language	English
Title of host publication	2021 IEEE MTT-S International Microwave Symposium, IMS 2021
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	665-668
Number of pages	4
ISBN (Electronic)	9781665403078
DOIs	https://doi.org/10.1109/IMS19712.2021.9575011
Publication status	Published - 2021 Jun 7
Event	2021 IEEE MTT-S International Microwave Symposium, IMS 2021 - Virtual, Atlanta, United States Duration: 2021 Jun 7 → 2021 Jun 25

Publication series

Name	IEEE MTT-S International Microwave Symposium Digest
Volume	2021-June
ISSN (Print)	0149-645X

Conference

Conference	2021 IEEE MTT-S International Microwave Symposium, IMS 2021
Country/Territory	United States
City	Virtual, Atlanta
Period	21/6/7 → 21/6/25

Bibliographical note

Funding Information:
ACKNOWLEDGMENT This work was supported in part by the National Research Foundation of Korea (NRF) under Grant NRF-2018R1A2B6006095.

Publisher Copyright:
© 2021 IEEE.

Keywords

filter
reflectionless
resonator
terahertz
topology
waveguide

ASJC Scopus subject areas

Radiation
Condensed Matter Physics
Electrical and Electronic Engineering

Access to Document

10.1109/IMS19712.2021.9575011

Cite this

Terahertz Input-Reflectionless Waveguide Filter. / Lee, Juseop; Tao, Han Yu; Lee, Sanggu et al.
2021 IEEE MTT-S International Microwave Symposium, IMS 2021. Institute of Electrical and Electronics Engineers Inc., 2021. p. 665-668 (IEEE MTT-S International Microwave Symposium Digest; Vol. 2021-June).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Lee, J, Tao, HY, Lee, S & Scott Barker, N 2021, Terahertz Input-Reflectionless Waveguide Filter. in 2021 IEEE MTT-S International Microwave Symposium, IMS 2021. IEEE MTT-S International Microwave Symposium Digest, vol. 2021-June, Institute of Electrical and Electronics Engineers Inc., pp. 665-668, 2021 IEEE MTT-S International Microwave Symposium, IMS 2021, Virtual, Atlanta, United States, 21/6/7. https://doi.org/10.1109/IMS19712.2021.9575011

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title = "Terahertz Input-Reflectionless Waveguide Filter",

abstract = "This paper presents, for the first time, the design of a terahertz waveguide input-reflectionless filter operating at WR3.4 band. The filter has filtering and matching sections, and they are combined at the input port. The filter has been designed to have three resonators in the filtering section and one resonator in the matching section. The normalized coupling values producing the return loss larger than 13 dB in both the passband and the stopband have been derived for designing the filter. For demonstration, the filter was designed based on the target center frequency and fractional bandwidth set to 275 GHz and 3 %, respectively. The measured return loss is larger than 10 dB over the entire WR3.4 band from 220 GHz to 330 GHz.",

keywords = "filter, reflectionless, resonator, terahertz, topology, waveguide",

author = "Juseop Lee and Tao, {Han Yu} and Sanggu Lee and {Scott Barker}, N.",

note = "Funding Information: ACKNOWLEDGMENT This work was supported in part by the National Research Foundation of Korea (NRF) under Grant NRF-2018R1A2B6006095. Publisher Copyright: {\textcopyright} 2021 IEEE.; 2021 IEEE MTT-S International Microwave Symposium, IMS 2021 ; Conference date: 07-06-2021 Through 25-06-2021",

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N2 - This paper presents, for the first time, the design of a terahertz waveguide input-reflectionless filter operating at WR3.4 band. The filter has filtering and matching sections, and they are combined at the input port. The filter has been designed to have three resonators in the filtering section and one resonator in the matching section. The normalized coupling values producing the return loss larger than 13 dB in both the passband and the stopband have been derived for designing the filter. For demonstration, the filter was designed based on the target center frequency and fractional bandwidth set to 275 GHz and 3 %, respectively. The measured return loss is larger than 10 dB over the entire WR3.4 band from 220 GHz to 330 GHz.

AB - This paper presents, for the first time, the design of a terahertz waveguide input-reflectionless filter operating at WR3.4 band. The filter has filtering and matching sections, and they are combined at the input port. The filter has been designed to have three resonators in the filtering section and one resonator in the matching section. The normalized coupling values producing the return loss larger than 13 dB in both the passband and the stopband have been derived for designing the filter. For demonstration, the filter was designed based on the target center frequency and fractional bandwidth set to 275 GHz and 3 %, respectively. The measured return loss is larger than 10 dB over the entire WR3.4 band from 220 GHz to 330 GHz.

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KW - resonator

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Terahertz Input-Reflectionless Waveguide Filter

Abstract

Publication series

Conference

Bibliographical note

Keywords

ASJC Scopus subject areas

Access to Document

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