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Negative Refraction in One-Dimensional Photonic Crystals with Tilted Interface |
| YU Xiao-Tong;WEI Ze-Yong;LI Hong-Qiang;ZHANG Ye-Wen; CHEN Hong |
| Department of Physics, Tongji University, Shanghai 200092 |
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| Cite this article: |
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YU Xiao-Tong, WEI Ze-Yong, LI Hong-Qiang et al 2007 Chin. Phys. Lett. 24 3447-3449 |
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Abstract We investigate the wave propagation through the tilted interface of one-dimensional photonic crystals. Negative refraction can be realized by excitation of the Bloch states in the extended Brillouin zone with suppressed reflection. Equi-frequency surface analysis shows that the positive refraction, negative refraction or birefringence in this configuration can be achieved under a proper incident angle, which is confirmed by finite-difference time-domain simulations. The results may be useful in applications in the new devices based on one-dimensional photonic or optical waveguide arrays.
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| Keywords:
42.70.Qs
42.79.Gn
42.25.Lc
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Received: 13 September 2007
Published: 03 December 2007
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