Choice of optimal crystal-orientation for terahertz transceiver with zincblende crystal

doi:10.1088/1674-1056/20/12/124201

Abstract This paper presents a set of equations describing the terahertz generation and electro-optic detection based on optical rectification in zincblende crystals. The dependence of terahertz emission efficiency on the polarization of incident beam and crystal-orientation is discussed. For the experimental setup with a transceiver which transmits and detects terahertz radiation in the same crystal, we have demonstrated the optimal combination of both parameters above to optimize the working efficiency. Equations supplied in this paper are valid for zincblende crystals with arbitrary crystal-orientation and every possible polarization of an incident beam, which are of great significance for the optimization of a system.

Keywords: terahertz transceiver optical rectification electro-optic detection optimal orientation

Received: 26 April 2011
Revised: 01 June 2011
Accepted manuscript online:

PACS:	42.25.Lc	(Birefringence)
	42.65.Hw	(Phase conjugation; photorefractive and Kerr effects)
	42.70.Nq	(Other nonlinear optical materials; photorefractive and semiconductor materials)
	42.72.Ai	(Infrared sources)

Fund: ¤Project supported by the National Natural Science Foundation of China (Grant No. 10974063), the Natural Science Foundation of Hubei Province of China (Grant No. 2010CDA001), Ph. D. Program Foundation of the Ministry of Education of China (Grant No. 20100142110042), the Fundamental Research Funds for the Central Universities (Grant No. HUST: 2010MS041), and the National “973” Project (Grant No. 2007CB310403).

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Tian Xiao-Guang(田晓光), Ling Fu-Ri(凌福日), He Jian(何健), Liu Jin-Song(刘劲松), and Yao Jian-Quan(姚建铨) Choice of optimal crystal-orientation for terahertz transceiver with zincblende crystal 2011 Chin. Phys. B 20 124201

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Choice of optimal crystal-orientation for terahertz transceiver with zincblende crystal

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