Electrically induced and tunable photonic band gap in submicron periodically poled lithium niobate
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- Zhou, Z., Shi, J. & Chen, X. Appl. Phys. B (2009) 96: 787. doi:10.1007/s00340-009-3622-9
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We have theorized that a photonic band gap can be induced in a submicron periodically poled LiNbO3 (SPPLN) with a uniform electrical field applied along the Y axis of the structure. The width of the band gap can be modulated by the intensity of the Y-directional electrical field. Moreover, for such a periodical structure with a duty cycle other than 0.5, the central location of the gap can be tuned by applying an additional electrical field along the Z axis of the sample.