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A new type of terahertz photonic crystal filter is presented, which includes the waveguide parts realized by line defects, and the frequency selection parts realized by micro cavities. The band gap property was investigated by using plane wave method (PWM), and then the transmission characteristic of terahertz in this kind of filter was studied by means of the finite difference time domain method (FDTD) simulation. The results show that, the filter can achieve high coupling efficiency filtering of single-channel and single-frequency, by changing the point defects structure and increasing the radius of certain dielectric cylinder. High efficiency THz-band photonic crystal filter was designed in this thesis.
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Keywords:
- photonic crystal /
- THz waves /
- PWM /
- FDTD
[1] Zhuang F, He S L, He J P, Feng SH K 2002 Acta Phys. Sin. 51 355 (in Chinese) [庄 飞、何赛灵、何江平、冯尚申 2002 物理学报 51 355]
[2] Zhu ZH H, Ye W M, Ji J R 2003 Acta Opt. Sin. 23 1237 (in Chinese) [朱志宏、叶卫民、季家熔 2003 光学学报 23 1237]
[3] Zhang R, Li H, Cao J CH, Feng S L 2009 Acta Phys. Sin. 58 4618 (in Chinese) [张 戎、黎 华、曹俊诚、封松林 2009 物理学报 58 4618]
[4] Nemec H, Kuzel P, Duvillaret L 2005 Opt.Lett. 30 549
[5] Chen C Y, Pan C L, Hsieh C F 2006 Phys. Lett. 88 101
[6] Zhou M, Chen X SH, Wang SH W, Zhang J B, Lu W 2006 Acta Phys. Sin. 55 3725 (in Chinese) [周 梅、陈效双、王少伟、 张建标、陆 卫 2006 物理学报 55 3725] 〖7] Guo S P, Albin Sacharia 2003 Opt. Exp. 11 167
[7] Ge D B, Yan Y B 2005 Finite-difference time-domain electrom-agnetic method (Version 2) (Xian:Xian Electronic Science and Technology University Press) p202 (in Chinese) [葛德彪、闫玉波 2005 电磁波时域有限差分方法(2版)(西安:西安电子科技大学出版社)第202页]
[8] Berenger J P 1994 Compute Phys. 114 185
[9] Hang X Q, Chen H M 2007 Optoelectronic Technology 27 243 (in Chinese) [黄小琴、陈鹤鸣 2007 光电子技术 27 243]
[10] Wang H S, Li K, Kong F M 2008 Acta Phot. Sin. 37 1122 (in Chinese) [王海松、李 康、孔凡敏 2008 光子学报 37 1122]
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[1] Zhuang F, He S L, He J P, Feng SH K 2002 Acta Phys. Sin. 51 355 (in Chinese) [庄 飞、何赛灵、何江平、冯尚申 2002 物理学报 51 355]
[2] Zhu ZH H, Ye W M, Ji J R 2003 Acta Opt. Sin. 23 1237 (in Chinese) [朱志宏、叶卫民、季家熔 2003 光学学报 23 1237]
[3] Zhang R, Li H, Cao J CH, Feng S L 2009 Acta Phys. Sin. 58 4618 (in Chinese) [张 戎、黎 华、曹俊诚、封松林 2009 物理学报 58 4618]
[4] Nemec H, Kuzel P, Duvillaret L 2005 Opt.Lett. 30 549
[5] Chen C Y, Pan C L, Hsieh C F 2006 Phys. Lett. 88 101
[6] Zhou M, Chen X SH, Wang SH W, Zhang J B, Lu W 2006 Acta Phys. Sin. 55 3725 (in Chinese) [周 梅、陈效双、王少伟、 张建标、陆 卫 2006 物理学报 55 3725] 〖7] Guo S P, Albin Sacharia 2003 Opt. Exp. 11 167
[7] Ge D B, Yan Y B 2005 Finite-difference time-domain electrom-agnetic method (Version 2) (Xian:Xian Electronic Science and Technology University Press) p202 (in Chinese) [葛德彪、闫玉波 2005 电磁波时域有限差分方法(2版)(西安:西安电子科技大学出版社)第202页]
[8] Berenger J P 1994 Compute Phys. 114 185
[9] Hang X Q, Chen H M 2007 Optoelectronic Technology 27 243 (in Chinese) [黄小琴、陈鹤鸣 2007 光电子技术 27 243]
[10] Wang H S, Li K, Kong F M 2008 Acta Phot. Sin. 37 1122 (in Chinese) [王海松、李 康、孔凡敏 2008 光子学报 37 1122]
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