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Chin. Phys. B, 2009, Vol. 18(7): 2864-2867    DOI: 10.1088/1674-1056/18/7/040
CLASSICAL AREAS OF PHENOMENOLOGY Prev   Next  

The design of a photonic crystal filter in the terahertz range

Zhao Xing-Xing(赵星星), Zhu Qiao-Fen(朱巧芬), and Zhang Yan(张岩)
Beijing Key Laboratory for Terahertz Spectroscopy and Imaging, Key Laboratory of Terahertz Optoelectronics Ministry of Education, Department of Physics, Capital Normal University, Beijing 100048, China
Abstract  One-dimensional photonic crystal structures for multiple channeled filtering and polarization selective filtering in the terahertz (THz) range are studied theoretically. The design of aperiodic photonic quantum-well (APQW) structures for multiple channeled filtering and different polarization filtering at arbitrary preassigned frequencies are achieved by using the simulated annealing algorithm with a special merit function. The parameters of these filters can be expediently controlled and the transmission characters are polarization dependent. Numerical simulations show that the designed APQWs can meet the desired specification well.
Keywords:  photonic crystal      filter      simulated annealing algorithm  
Received:  05 November 2008      Revised:  22 December 2008      Accepted manuscript online: 
PACS:  42.70.Qs (Photonic bandgap materials)  
  42.79.Ci (Filters, zone plates, and polarizers)  
  84.30.Vn (Filters)  
  42.25.Ja (Polarization)  
Fund: Project supported by the National Basic Research Program of China (Grant Nos 2006CB302901 and 2007CB310408) and the National Natural Science Foundation of China (Grant Nos 10604042 and 10674038).

Cite this article: 

Zhao Xing-Xing(赵星星), Zhu Qiao-Fen(朱巧芬), and Zhang Yan(张岩) The design of a photonic crystal filter in the terahertz range 2009 Chin. Phys. B 18 2864

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