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Analysis of Three Coupled Defects in One-Dimensional Photonic Bandgap Structure |
| LIU Dan-Dong;CHEN Guang-De;XU Zhong-Feng |
| Department of Physics, Xi’an Jiaotong University, Xi’an 710049 |
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| Cite this article: |
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LIU Dan-Dong, CHEN Guang-De, XU Zhong-Feng 2006 Chin. Phys. Lett. 23 591-594 |
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Abstract The mutual interaction of three different defects in photonic crystals is studied theoretically. A theoretical model based on the classical wave analogue of the tight-binding (TB) picture is applied to the structure. We obtain analytic expressions for the eigenfrequencies and eigenmodes, from which the transmissions at resonance are derived. Based on this, a new type of the photonic quantum-well structure is investigated and its possible application is discussed. The TB predictions are compared with the transfer matrix method simulation results.
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| Keywords:
41.20.Jb
42.55.Tv
42.70.Qs
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Published: 01 March 2006
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| PACS: |
41.20.Jb
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(Electromagnetic wave propagation; radiowave propagation)
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42.55.Tv
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(Photonic crystal lasers and coherent effects)
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42.70.Qs
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(Photonic bandgap materials)
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