Diamond photonic crystal mirror with a partial bandgap by two 2D photonic crystal layers
- Diamond photonic crystal mirror with a partial bandgap by two 2D photonic crystal layers
- 문성욱; 한상욱; 김용수; 조영욱; 정호중; 임향택; 전승우; 권기원; 신희득
- Issue Date
- Optics express
- VOL 28, NO 26-39057
- In this study, photonic crystals with a partial bandgap are demonstrated in the visible region using single-crystal diamonds. Quasi-three-dimensional photonic crystal structures are fabricated in the surface of the single-crystal diamonds using a tetrahedron Faraday cage that enables angled dry etching in three directions simultaneously. The reflection spectra can be controlled by varying the lattice constant of the photonic crystals. In addition, nitrogen-vacancy center single-photon sources are implanted on top of the diamond photonic crystals, and doubled collection efficiency from the light sources is achieved.
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