Chinese Optics Letters, Volume. 7, Issue 6, 06508(2009)
Multi-wavelength photonic band gaps based on quasi-periodically poled lithium niobate ordered in Fibonacci sequences
We demonstrate a quasi-periodic structure exhibiting multiple photonic band gaps (PBGs) based on sub-micron-period poled lithium niobate (LN). The structure consists of two building blocks, each containing a pair of antiparallel poled domains, arranged as a Fibonacci sequence. The gap wavelengths are analyzed with the Fibonacci sequence parameters such as the quasiperiodic indices and the average lattice parameter. The transmission properties are investigated by a traditional 4\times4 matrix method. It has also been proved that the gap depth can be tuned by the lengths of poled domains.
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Zhuoer Zhou, Jianhong Shi, Xianfeng Chen. Multi-wavelength photonic band gaps based on quasi-periodically poled lithium niobate ordered in Fibonacci sequences[J]. Chinese Optics Letters, 2009, 7(6): 06508
Received: Sep. 3, 2008
Accepted: --
Published Online: Jun. 8, 2009
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