Yunhe Zhao, Yunqi Liu, Chengbo Mou, Neil T. Gordon, Kaiming Zhou, Lin Zhang, Tingyun Wang. Femtosecond laser inscribed axial long-period fiber gratings in two-mode fiber for efficient optical angular momentum generation. In Optical Fiber Communications Conference and Exhibition, OFC 2017, Los Angeles, CA, USA, March 19-23, 2017. pages 1-3, IEEE, 2017. [doi]
Abstract is missing.