| 摘要 |
A three-dimensional photonic crystal includes a first region including a first layer, a second layer, a third layer, a fourth layer and a second region including the first layer, the second layer, the third layer, the fourth layer, and additional layers including discrete structures spaced from each other. The horizontal interval and the vertical interval of the rod-shaped structures in the first region are the same as those of the rod-shaped structures in the second region, respectively.
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