Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/6405
Title: Compact coupling of light from conventional photonic wire to slow light waveguides
Authors: Üstün, Kadir
Kurt, Hamza
Keywords: [No Keywords]
Issue Date: 2011
Publisher: American Inst Physics
Abstract: In this study, efficient input and output power coupling schemes for transition regions at the interface of conventional and slow light waveguides are investigated. By optimizing the tapered nano-tip of the input and output slab waveguides that support a group index of 3.58, we achieved 97% coupling efficiency to a square-lattice based slow light photonic crystal waveguide with a group index of 1200. The complementary slow waveguide structure based on triangular-lattice is also designed to support same order of magnitude slow light mode and targeted to alleviate the severity of the coupling loss. An acceptable efficiency value is recorded for the second type of slow waveguide mode. For the sake of targeting only input and output coupling losses, we made an assumption that other loss mechanisms are absent in the structure. The successful demonstration of effective and compact slow light couplers will assist the deployment of slow light devices in important applications, such as nonlinear optics, optical buffers, and optical delay lines. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3665878]
URI: https://doi.org/10.1063/1.3665878
https://hdl.handle.net/20.500.11851/6405
ISSN: 0021-8979
1089-7550
Appears in Collections:Elektrik ve Elektronik Mühendisliği Bölümü / Department of Electrical & Electronics Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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