给出了一种判断一维光子晶体禁带位置的相位图,利用扩展相位图可方便地描述光子晶体的禁带位置和禁带特征.研究发现,当光子晶体为1/4波片层堆时,光子晶体的禁带最宽;若要进一步展宽禁带,需提高构成周期单元的两种介质的折射率比.对于一般的光子晶体,若周期单元中两种介质的光学厚度不等,则其禁带中心将偏离中心频率的整数倍.此外还研究了禁带中心区的透射率,给出了中心频率附近透射率的一级近似解析解,并由此定性讨论了Fabry-Perot腔的谱线宽度和品质因子.
参考文献
| [1] | Yablonovitch E.Inhibited spontaneous emission in solid-state physics and electronics[J].Phys.Rev.Lett.,1987,58(20):2059-2062. |
| [2] | John S.Strong localization of photons in certain disordered dielectric superlattices[J].Phys.Rev.Lett.,1987,58(23):2486-2489. |
| [3] | Fink Y,Winn J N,Fan S,et al.A dielectric omnidirectional reflector[J].Science,1998,282:1679-1682. |
| [4] | Gupta S,et al.Infrared filters using metallic photonic band gap structures on flexible substrates[J].Appl.Phys.Lett.,1997,71(17):2412-2414. |
| [5] | Yariv A,et al.Coupled-resonator optical waveguide:a proposal and analysis[J].Opt.Lett.,1999,24:711-713. |
| [6] | Villeneuve P R,Fan S,Joannopoulos J D.Microcavities in photonic crystals:mode symmetry,tenability,and coupling efficiency[J].Phys.Rev.,1996,B54(11):7837-7842. |
| [7] | Ho K M,Chan C T,Soukoulis C M.Existence of a photonic gap in periodic dielectric structure[J].Phys.Rev.Lett.,1990,65(25):3152-3155. |
| [8] | Pendry J B.Calculating photonic band structure[J].J.Phys.Condons Matter,1996,8:1085-1108. |
| [9] | Yang H Y D.Finite-difference analysis of 2D photonic crystals[J].IEEE Trans.Microwave Theory Tech.,1996,44:2688-2695. |
| [10] | Yariv A,Yeh P.Optical Waves in Crystals:Propagation and Control of Laser Radiation[M].New York:Wiley,1984. |
| [11] | Dowling J P.Dipole emission in finite photonic bandgap structure:an exactly solvable one dimensional model[J].J.Lightwave Tech.,1999,17(11):2142-2151. |
| [12] | Bendickson J M,Dowling J P,Scalora M.Analytic expressions for the electromagnetic mode density in finite,one dimensional,photonic band-gap structures[J].Phys.Rev.,1996,E53(4):4107-4121. |
| [13] | Jiang M P,Jiang X F,Shen X M,et al.Study on the polarization property of 1-D photonic crystals[J].Chinese Journal of Quantum Electronics (量子电子学报),2005,22(4):612-616 (in Chinese). |
| [14] | Lee H Y,Yao T.Design and evaluation of omnidirectional one dimensional photonic crystals[J].J.Appl.Phys.,2003,93(2):819-830. |
| [15] | Yakoyama H,Nishi K,Anan T,et al.Controlling spontaneous emission and threshold-less laser oscillation with optical microcavities[J].Optical and Quantum Electronics,1992,24:245-275. |
| [16] | Zhao K H,Zhong X H.Optics (光学)[M].Beijing:Peking University Press,1984.330-342 (in Chinese). |
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