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Effective Generation of Milliwatt-Level Sub-Terahertz Wave for Nonlinear Response Measurement of Two-Dimensional Material by Optical Heterodyne Technique
Joint Authors
Fan, Dianyun
Chen, Shuqing
Cai, Yao
He, Yanliang
Zhang, Xiaoke
Li, Ying
Xie, Zhiqiang
Liu, Junmin
Xiao, Jiangnan
Source
Advances in Condensed Matter Physics
Issue
Vol. 2017, Issue 2017 (31 Dec. 2017), pp.1-9, 9 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2017-10-22
Country of Publication
Egypt
No. of Pages
9
Main Subjects
Abstract EN
By using optical heterodyne technique, we demonstrated the stable emission of sub-terahertz wave with the frequency ranging from 88 GHz to 101 GHz, which can operate as microwave source for nonlinear response measurement system.
Mutual frequency beating of two well-separated sideband signals at a 0.1 THz photo-detector (PD) allows for the generation of sub-terahertz signal.
Based on this approach, we have achieved the radiation of 0.1 THz wave with power up to 4 mW.
By transmittance measurement, two-dimensional nanomaterial topological insulator (TI: Bi2Te3) shows saturable absorption behaviors with normalized modulation depth of 47% at 0.1 THz.
Our results show that optical heterodyne technique could be developed as an effective microwave source generation for nonlinear measurement at sub-terahertz, even terahertz band.
American Psychological Association (APA)
Chen, Shuqing& Xie, Zhiqiang& Liu, Junmin& He, Yanliang& Cai, Yao& Zhang, Xiaoke…[et al.]. 2017. Effective Generation of Milliwatt-Level Sub-Terahertz Wave for Nonlinear Response Measurement of Two-Dimensional Material by Optical Heterodyne Technique. Advances in Condensed Matter Physics،Vol. 2017, no. 2017, pp.1-9.
https://search.emarefa.net/detail/BIM-1121526
Modern Language Association (MLA)
Chen, Shuqing…[et al.]. Effective Generation of Milliwatt-Level Sub-Terahertz Wave for Nonlinear Response Measurement of Two-Dimensional Material by Optical Heterodyne Technique. Advances in Condensed Matter Physics No. 2017 (2017), pp.1-9.
https://search.emarefa.net/detail/BIM-1121526
American Medical Association (AMA)
Chen, Shuqing& Xie, Zhiqiang& Liu, Junmin& He, Yanliang& Cai, Yao& Zhang, Xiaoke…[et al.]. Effective Generation of Milliwatt-Level Sub-Terahertz Wave for Nonlinear Response Measurement of Two-Dimensional Material by Optical Heterodyne Technique. Advances in Condensed Matter Physics. 2017. Vol. 2017, no. 2017, pp.1-9.
https://search.emarefa.net/detail/BIM-1121526
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1121526