Effective Generation of Milliwatt-Level Sub-Terahertz Wave for Nonlinear Response Measurement of Two-Dimensional Material by Optical Heterodyne Technique

Effective Generation of Milliwatt-Level Sub-Terahertz Wave for Nonlinear Response Measurement of Two-Dimensional Material by Optical Heterodyne Technique

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....

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Main Authors: Shuqing Chen, Zhiqiang Xie, Junmin Liu, Yanliang He, Yao Cai, Xiaoke Zhang, Jiangnan Xiao, Ying Li, Dianyuan Fan
Format: Article
Language:English
Published: Hindawi Limited 2017-01-01
Series:Advances in Condensed Matter Physics
Online Access:http://dx.doi.org/10.1155/2017/1704374
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spelling doaj-63c29959ba9a416cbfaf1b6aab3b12c32020-11-25T02:41:25ZengHindawi LimitedAdvances in Condensed Matter Physics1687-81081687-81242017-01-01201710.1155/2017/17043741704374Effective Generation of Milliwatt-Level Sub-Terahertz Wave for Nonlinear Response Measurement of Two-Dimensional Material by Optical Heterodyne TechniqueShuqing Chen0Zhiqiang Xie1Junmin Liu2Yanliang He3Yao Cai4Xiaoke Zhang5Jiangnan Xiao6Ying Li7Dianyuan Fan8International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology and Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, Shenzhen University, Shenzhen 518060, ChinaInternational Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology and Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, Shenzhen University, Shenzhen 518060, ChinaInternational Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology and Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, Shenzhen University, Shenzhen 518060, ChinaInternational Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology and Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, Shenzhen University, Shenzhen 518060, ChinaInternational Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology and Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, Shenzhen University, Shenzhen 518060, ChinaInternational Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology and Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, Shenzhen University, Shenzhen 518060, ChinaKey Laboratory for Information Science of Electromagnetic Waves, Fudan University, Shanghai 200433, ChinaInternational Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology and Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, Shenzhen University, Shenzhen 518060, ChinaInternational Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology and Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, Shenzhen University, Shenzhen 518060, ChinaBy 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.http://dx.doi.org/10.1155/2017/1704374
collection DOAJ
language English
format Article
sources DOAJ
author Shuqing Chen
Zhiqiang Xie
Junmin Liu
Yanliang He
Yao Cai
Xiaoke Zhang
Jiangnan Xiao
Ying Li
Dianyuan Fan
spellingShingle Shuqing Chen
Zhiqiang Xie
Junmin Liu
Yanliang He
Yao Cai
Xiaoke Zhang
Jiangnan Xiao
Ying Li
Dianyuan Fan
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
author_facet Shuqing Chen
Zhiqiang Xie
Junmin Liu
Yanliang He
Yao Cai
Xiaoke Zhang
Jiangnan Xiao
Ying Li
Dianyuan Fan
author_sort Shuqing Chen
title Effective Generation of Milliwatt-Level Sub-Terahertz Wave for Nonlinear Response Measurement of Two-Dimensional Material by Optical Heterodyne Technique
title_short Effective Generation of Milliwatt-Level Sub-Terahertz Wave for Nonlinear Response Measurement of Two-Dimensional Material by Optical Heterodyne Technique
title_full Effective Generation of Milliwatt-Level Sub-Terahertz Wave for Nonlinear Response Measurement of Two-Dimensional Material by Optical Heterodyne Technique
title_fullStr Effective Generation of Milliwatt-Level Sub-Terahertz Wave for Nonlinear Response Measurement of Two-Dimensional Material by Optical Heterodyne Technique
title_full_unstemmed Effective Generation of Milliwatt-Level Sub-Terahertz Wave for Nonlinear Response Measurement of Two-Dimensional Material by Optical Heterodyne Technique
title_sort effective generation of milliwatt-level sub-terahertz wave for nonlinear response measurement of two-dimensional material by optical heterodyne technique
publisher Hindawi Limited
series Advances in Condensed Matter Physics
issn 1687-8108
1687-8124
publishDate 2017-01-01
description 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.
url http://dx.doi.org/10.1155/2017/1704374
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