Helical fiber Bragg grating (H-FBG) induced by UV-side exposure exhibits wavelength-
dependent coupling between different modes. In this paper, we propose an effective method …

We propose and demonstrate an ultra-broadband mode converter based on a cascade
chirped long-period fiber grating (CLPFG) written in a two-mode fiber. The mode converter …

these mobile communication devices become more ubiquitous in business and personal
lifestyles, the abilities of these networks to support all of the new users and user devices has …

In one embodiment, an optical fiber includes a first layer having a first refractive index and a
second layer surrounding the first layer, where the second layer has a second refractive …

Optical signals with different orbital angular momentum (OAM) modes are used to multiplex
data for different receiver together or a light signal. The OAM based multiplexing may be …

从拉盖尔-高斯涡旋光束表达式出发, 基于瑞利衍射理论, 通过研究涡旋光束在大气湍流中传输时
的旋转相干函数的变化规律, 总结了涡旋光束在大气湍流中传输时各轨道角动量之间的串扰情况 …

Optical signals with different orbital angular momentum (OAM) modes are used to multiplex
data directed to different receiver together using time division multiplexing. The OAM based …

Wavefront manipulation is of great importance in the development of science and
technology, and the generation of vortex beam is one of the most effective methods to …

In this paper, we propose and experimentally demonstrated a novel passive optical network
access architecture based on orbital angular momentum (OAM) multiplexing. Multiple data …

We experimentally demonstrate a reconfigurable 2× 2 switch for orbital angular momentum
(OAM) multiplexed data-carrying optical beams. The switch can be configured to operate in …