中国物理B ›› 2012, Vol. 21 ›› Issue (10): 104210-104210.doi: 10.1088/1674-1056/21/10/104210

• ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS • 上一篇    下一篇

Optical properties of the two-port resonant tunneling filters in two-dimensional photonic crystal slabs

任承, 程立锋, 康凤, 甘霖, 张道中, 李志远   

  1. a School of Opto-Electronic Information Science and Technology, Yantai University, Yantai 264005, China;
    b Wenjing College, Yantai University, Yantai 264005, China;
    c Optical Physics Laboratory, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
  • 收稿日期:2012-06-29 修回日期:2012-07-10 出版日期:2012-09-01 发布日期:2012-09-01
  • 基金资助:
    Project supported by the National Natural Science Foundation of China (Grant No. 11004169), the National Basic Research Program of China (Grant No. 2011CB922002), and the Doctoral Foundation of Shandong Province, China (Grant No. BS2009CL028).

Optical properties of the two-port resonant tunneling filters in two-dimensional photonic crystal slabs

Ren Cheng (任承), Cheng Li-Feng (程立锋), Kang Feng (康凤), Gan Lin (甘霖), Zhang Dao-Zhong (张道中), Li Zhi-Yuan (李志远)   

  1. a School of Opto-Electronic Information Science and Technology, Yantai University, Yantai 264005, China;
    b Wenjing College, Yantai University, Yantai 264005, China;
    c Optical Physics Laboratory, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
  • Received:2012-06-29 Revised:2012-07-10 Online:2012-09-01 Published:2012-09-01
  • Contact: Ren Cheng E-mail:cren@ytu.edu.cn
  • Supported by:
    Project supported by the National Natural Science Foundation of China (Grant No. 11004169), the National Basic Research Program of China (Grant No. 2011CB922002), and the Doctoral Foundation of Shandong Province, China (Grant No. BS2009CL028).

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摘要： We have designed and fabricated two types of two-port resonant tunneling filters with a triangular air-hole lattice in two-dimensional photonic crystal slabs. In order to improve the filtering efficiency, a feedback method is introduced by closing the waveguide. It is found that the relative position between the closed waveguide boundary and the resonator has an important impact on the dropping efficiency. Based on our analyses, two different types of filters are designed. The transmission spectra and scattering-light far-field patterns are measured, which agree well with theoretical prediction. In addition, the resonant filters are highly sensitive to the size of the resonant cavities, which are useful for practical applications.

关键词: photonic crystal slabs, filter, finite-difference time-domain method

Abstract: We have designed and fabricated two types of two-port resonant tunneling filters with a triangular air-hole lattice in two-dimensional photonic crystal slabs. In order to improve the filtering efficiency, a feedback method is introduced by closing the waveguide. It is found that the relative position between the closed waveguide boundary and the resonator has an important impact on the dropping efficiency. Based on our analyses, two different types of filters are designed. The transmission spectra and scattering-light far-field patterns are measured, which agree well with theoretical prediction. In addition, the resonant filters are highly sensitive to the size of the resonant cavities, which are useful for practical applications.

Key words: photonic crystal slabs, filter, finite-difference time-domain method

中图分类号:  (Photonic bandgap materials)

  • 42.70.Qs
42.82.Gw (Other integrated-optical elements and systems) 42.25.Bs (Wave propagation, transmission and absorption)