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An Optical Parametric Amplifier in Photonic Crystals of Nondispersive Medium with Perfect Bloch Phase Matching |
| CHEN Li-Xue1,2;KIM Dalwoo2;SONG Ying-Lin1;DING Wei-Qiang1;LI Wen-Hui1;LIU Shu-Tian1 |
| 1Department of Applied Physics, Harbin Institute of Technology, Harbin 150001
2Research Institute of Industrial Science and Technology, Pohang 790-600, Korea |
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| Cite this article: |
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CHEN Li-Xue, KIM Dalwoo, SONG Ying-Lin et al 2004 Chin. Phys. Lett. 21 666-668 |
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Abstract One-dimensional photonic crystal of second-order nonlinearity is studied. Among the three waves of the parametric interaction process of down-conversion with a nondispersive medium, two gap-edge localized modes and one travelling-mode are proposed, and an exact phase matching condition is realized using the periodic condition of the Bloch phase. Numerical simulation is implemented by the slow-envelope finite difference time domain method. In the case of a pulse wave pump of amplitude half-width 5.2 x 10-13s, an intense optical parametric pulse with half-width about 5 x 10-14s is observed.
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| Keywords:
42.65.Yj
42.65.Re
42.70.Mp
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Published: 01 April 2004
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| PACS: |
42.65.Yj
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(Optical parametric oscillators and amplifiers)
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42.65.Re
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(Ultrafast processes; optical pulse generation and pulse compression)
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42.70.Mp
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(Nonlinear optical crystals)
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