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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 26, Iss. 11 — Jun. 1, 2008
  • pp: 1519–1523

Enhanced Terahertz Emission From ZnSe Nano-Grain Surface

Shan He, Xiaoshu Chen, Xiaojun Wu, Gang Wang, and Fuli Zhao

Journal of Lightwave Technology, Vol. 26, Issue 11, pp. 1519-1523 (2008)


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Abstract

ZnSe(111) nano-grain surface is fabricated by the femtosecond laser ablation technology and is applied for terahertz (THz) generation. Compared with bare ZnSe surface, this nano-grain surface can improve THz emission properties. The power of THz radiation from ZnSe nano-grain surface is about twice as large as that from bare surface at optical rectification range. This enhancement can be attributed to the local field enhancement of the ZnSe nano-grain surface. The primary field enhancement mechanism is the macroscopic local-field enhancement which includes both of the lightning-rod effect and the local-plasmon effect.

© 2008 IEEE

Citation
Shan He, Xiaoshu Chen, Xiaojun Wu, Gang Wang, and Fuli Zhao, "Enhanced Terahertz Emission From ZnSe Nano-Grain Surface," J. Lightwave Technol. 26, 1519-1523 (2008)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-26-11-1519

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