Genetically optimized design of ultra-compact and highly efficient waveguide crossing, optical attenuator and reflector

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dc.contributor.author Turduev, Mirbek
dc.contributor.author Şahin, Umut
dc.contributor.author Bor, Emre
dc.contributor.author Kurt, Hamza
dc.date.accessioned 2019-12-19T07:20:25Z
dc.date.available 2019-12-19T07:20:25Z
dc.date.issued 2019
dc.identifier.isbn 9781728127798
dc.identifier.issn 2162-7339
dc.identifier.uri https://doi.org/10.1109/ICTON.2019.8840566
dc.identifier.uri http://hdl.handle.net/20.500.12485/614
dc.description.abstract In this study, we present the design of ultra-compact and highly efficient photonic integrated devices by applying a meta-heuristic approach. Here, we integrated the three-dimensional finite-difference time-domain method into an evolutionary optimization algorithm to specifically design waveguide crossing, optical attenuator and reflector. The proposed devices have ultra-compact footprints of 2×2 μm2 with slab thickness of 220 nm and consist of 100×100 nm2 silicon or air cells on a SiO2 substrate. We demonstrate an ultra-compact waveguide cross on silicon photonic platform with transmission efficiency greater than 80% and with a negligible crosstalk. Also designed attenuator and reflector devices are providing 3 dB signal reduction and over 85% reflectivity, respectively. All of the devices are excited by a fundamental transverse-electric mode guided in a silicon waveguide with a width of 500 nm. Throughout the optimization process, fabrication constraints are taken into account to enable the realization of the designed devices in applications. The introduced design method can be further expanded to form either diverse photonic integrated devices or even plasmonic devices. en_US
dc.language.iso en en_US
dc.publisher IEEE Computer Society en_US
dc.subject Optical attenuator en_US
dc.subject Optimization en_US
dc.subject Photonic integrated devices en_US
dc.subject Reflector en_US
dc.subject Waveguide crossing en_US
dc.title Genetically optimized design of ultra-compact and highly efficient waveguide crossing, optical attenuator and reflector en_US
dc.type Proceedings Paper en_US
dc.relation.journal International Conference on Transparent Optical Networks en_US
dc.contributor.authorID 0000-0002-3334-0808
dc.contributor.authorID 0000-0002-1262-3761
dc.identifier.volume July 2019 en_US

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