Room-temperature THz detection via EIW effect based on graphite nanosheet

doi:10.11972/j.issn.1001-9014.2022.03.005

Home > Archive>Volume 41, Issue 3, 2022 >551-556. DOI:10.11972/j.issn.1001-9014.2022.03.005

Room-temperature THz detection via EIW effect based on graphite nanosheet
DOI:
                        10.11972/j.issn.1001-9014.2022.03.005
                    
Author:
                        
                        
                    
Affiliation:1.Department of Applied Physics， Donghua University， Shanghai 201620， China;2.State Key Laboratory of Infrared Physics， Shanghai Institute of Technical Physics， Chinese Academy of Sciences， Shanghai 200083， China;3.Key Laboratory of Space Active Opto-Electronics Technology， Shanghai Institute of Technical Physics， Chinese Academy of Sciences， Shanghai 200083， China;4.Hangzhou Institute for Advanced Study， University of Chinese Academy of Sciences， Hangzhou 310024， China
Clc Number:O511;O782
Fund Project:Supported by the National Natural Science Foundation of China （ 61625505， 12134016）； Chinese Academy of Sciences （ ZDBS-LY-JSC025）； Shanghai Municipal Science and Technology Major Project （2019SHZDZX01）.

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Abstract:

We demonstrate a room-temperature sub-terahertz photoconductive detector based on graphite nanosheet （GN） using electromagnetic induced well （EIW） effect produced in the metal-GN-metal structure. The detector achieves high performance of room-temperature THz detection. It shows a responsivity of over 20 kV/W at 0.035 THz and 11 kV/W at 0.1673 THz， as well as NEP of about 1.25 pW/Hz^1/2at 0.035 THz and 2.27 pW/Hz^1/2 at 0.1673 THz， respectively. The results open up a new idea for graphene-based THz detection.

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YAN Jiang-Wei, ZHANG Xiao-Dong, ZHOU Wei, MA Wan-Li, HU Tao, YAO Niang-Juan, JIANG Lin, HUANG Zhi-Ming. Room-temperature THz detection via EIW effect based on graphite nanosheet[J]. Journal of Infrared and Millimeter Waves,2022,41(3):551~556

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Received:February 03,2022
Revised:May 22,2022
Adopted:February 25,2022
Online: May 19,2022
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