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Experimental realization of wireless transmission based on terahertz quantumcascade laser

Tan Zhi-Yong Chen Zhen Han Ying-Jun Zhang Rong Li Hua Guo Xu-Guang Cao Jun-Cheng

Experimental realization of wireless transmission based on terahertz quantumcascade laser

Tan Zhi-Yong, Chen Zhen, Han Ying-Jun, Zhang Rong, Li Hua, Guo Xu-Guang, Cao Jun-Cheng
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  • Received Date:  01 August 2011
  • Accepted Date:  10 May 2012
  • Published Online:  05 May 2012

Experimental realization of wireless transmission based on terahertz quantumcascade laser

  • 1. Key Laboratory of Terahertz Solid-State Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China
Fund Project:  Project supported by the 863 Program of China (Grant No. 2011AA010205), the National Natural Science Foundation of China (Grant Nos. 61131006, 61021064, and 61176086), the Major National Development Project of Scientific Instrument and Equipment (Grant No. 2011YQ150021), the Major Project (Project No. YYYJ-1123-1), the Chinese Academy of Sciences, and the Shanghai Municipal Commission of Science and Technology (Grant Nos. 10JC1417000, 11ZR1444200).

Abstract: A terahertz wireless transmission system is constructed by using a continuous wave terahertz quantum-cascade laser (THz QCL) and a spectrally-matched terahertz quantum-well photodetector (THz QWP). The transmission bandwidth of the system is measured. The transmission processes at 4.13 THz of a picture file are demonstrated by employing the above system, and the both message totally consistent with the original one are received correctly. Hence, the feasibility of wireless transmission based on THz QCL and THz QWP devices is confirmed. Finally, we analyze the transmission rate of the demonstrating system and give the improving methods.

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