Actively reconfigurable compact vortex beam emitters

Strain, Michael J. and Li, Huanlu and Cai, Xinlun and Meriggi, Laura and Wang, Jianwei and Zhu, Jiangbo and Cicek, Kenan and Chen, Lifeng and Garcia, Martin L. and Thompson, Mark G. and Sorel, Marc and Yu, Siyuan; (2014) Actively reconfigurable compact vortex beam emitters. In: 2014 IEEE 11th International Conference on Group IV Photonics (GFP). IEEE, FRA, pp. 126-127. ISBN 9781479922833

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    Electrical switching of the orbital angular momentum (OAM) mode order emitted from an SOI microring resonator is reported. The integration of the microring with waveguide couplers is used to demonstrate modulation of the relative phase between pairs of OAM modes with opposite signs.