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Journal of the Optical Society of America B

Journal of the Optical Society of America B


  • Vol. 18, Iss. 6 — Jun. 1, 2001
  • pp: 823–831

Electro-optic transceivers for terahertz-wave applications

Q. Chen, M. Tani, Zhiping Jiang, and X.-C. Zhang  »View Author Affiliations

JOSA B, Vol. 18, Issue 6, pp. 823-831 (2001)

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Because of the reciprocal behavior of the optical rectification and the electro-optic effect in a nonlinear optical crystal, an electro-optic transceiver can alternately transmit pulsed electromagnetic radiation (optical rectification) and detect the return signal (electro-optic effect) in the same crystal. However, the optimal condition of the electro-optic transceiver may be very different from that of the spatially separated emitter and receiver. We present a detailed description of the crystal-orientation dependence of the electro-optic terahertz devices (transmitter, receiver, and transceiver). It is found that for a (110) zinc-blende electro-optical crystal, the efficiency of the electro-optic transceiver will be optimized when the angle between the polarization of the optical pump beam and the crystallographic z axis [0, 0, 1] is 26°. Meanwhile, for a (111) crystal, the angle between the optical beam and the crystallographic direction [-1, -1, 2] should be 23°. The experimental results from a (110) ZnTe transceiver verify theoretical calculations and demonstrate a direct way to optimize the working efficiency of an electro-optic terahertz transceiver.

© 2001 Optical Society of America

OCIS Codes
(190.7110) Nonlinear optics : Ultrafast nonlinear optics
(230.0250) Optical devices : Optoelectronics
(230.2090) Optical devices : Electro-optical devices
(320.7100) Ultrafast optics : Ultrafast measurements

Q. Chen, M. Tani, Zhiping Jiang, and X.-C. Zhang, "Electro-optic transceivers for terahertz-wave applications," J. Opt. Soc. Am. B 18, 823-831 (2001)

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