Hang Wu

Superposing Multiple LP Modes With Microphase Difference Distributed Along Fiber to Generate OAM Mode

Yangjin Li, Zhaohui Li, Shecheng Gao, 2017, IEEE Photonics Journal.

All-fiber second-order optical vortex generation based on strong modulated long-period grating in a four-mode fiber.

Xincheng Huang, Weiping Liu, Shecheng Gao, 2017, Optics letters.