Browsing School of Engineering and Technology by Author "Ominde, Calvine F"
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Broadband quarter-wave plate based on dielectricembedded plasmonic metasurface
Owiti, Edgar O.; Yang, Hanning; Ominde, Calvine F; Sun, Xiudong (Royal Society of Chemistry, 2017)High transmission plasmonic and all-dielectric metasurface wave plates have been reported in recent studies. However, narrow bandwidth and low polarization conversion need to be addressed to attain even better operation ... -
Polarization converter with controllable birefringence based on hybrid all-dielectric-graphene metasurface
Owiti, Edgar O.; Yang, Hanning; Liu, Peng; Ominde, Calvine F; Sun, Xiudong (Springer US, 2018-12)Previous studies on hybrid dielectric-graphene metasurfaces have been used to implement induced transparency devices, while exhibiting high Q-factors based on trapped magnetic resonances. Typically, the transparency windows ...