6 March 2013 Nano-scale and multi-functional Bragg-grating structures for photonic device applications
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The applications of Bragg-grating concepts in a multitude of photonic device functionalities are well established, in particular, in the design of planar and chip-based miniature device components for dense photonic integrated circuits. In many situations, the Bragg-grating structures are designed to function as a broad or narrow band-pass filter, as a multichannel coupled defects filter, an optical waveguide and an optical sensor. In this work, Bragg-grating concepts are applied in several different scenarios with applications ranging from Bragg-grating optical microcavity filter, Bragg-grating optical waveguide and a Bragg-slot waveguide. The Bragg-grating structures integrated with slot waveguide are shown to be very promising candidates for label-free optical sensing applications with sensitivity as high as 500nm/RIU. This work demonstrates the versatility of Bragg-grating structures for multiple device functionalities through design for a wide range of devices applications in several scientific and technological areas.
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A. S. Jugessur, A. S. Jugessur, "Nano-scale and multi-functional Bragg-grating structures for photonic device applications", Proc. SPIE 8627, Integrated Optics: Devices, Materials, and Technologies XVII, 86270U (6 March 2013); doi: 10.1117/12.2003163; https://doi.org/10.1117/12.2003163

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