Abstract
This paper demonstrates a novel way to enhance the temperature sensitivity in one-dimensional (1D) photonic band gap (PBG) material by using a ternary periodic structure (i.e., three material layers constituting a period of lattice). The temperature sensitive wavelength band shift of (Si/SiO2) periodic structure was signiflcantly enhanced when the structure was modifled by sandwiching a thin layer of Bi4Ge3O12 between every two layers, constituting a period of lattice. When the thickness of sandwiched layer was increased further enhancement in temperature sensitivity was observed. These 1D ternary PBG structures can be substituted in place of 1D binary PBG structures for enhancing the temperature sensing performance.
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