scholarly journals Orbital Angular Momentum Optical Amplifier Based on PbS-Doped Ring-Core Fiber

2020 ◽  
Vol 8 ◽  
Author(s):  
Lingmin Xu ◽  
Yana Shang ◽  
Jinhong Yang ◽  
Zhenyi Chen ◽  
Fufei Pang ◽  
...  
Keyword(s):  
Angular Momentum ◽  
Orbital Angular Momentum ◽  
Optical Amplifier ◽  
Core Fiber ◽  
Ring Core

Highly dispersive coupled ring-core fiber for orbital angular momentum modes

2020 ◽  
Vol 117 (19) ◽  
pp. 191101
Author(s):  
Wenpu Geng ◽  
Yiqiao Li ◽  
Yuxi Fang ◽  
Yingning Wang ◽  
Changjing Bao ◽  
...  
Keyword(s):  
Angular Momentum ◽  
Orbital Angular Momentum ◽  
Core Fiber ◽  
Ring Core

Demonstration of an Orbital Angular Momentum Multiplexer for Ring Core Fiber

2021 ◽  
Author(s):  
Bilas Chowdhury ◽  
Thomas E. Murphy ◽  
Kenneth J. Ritter
Keyword(s):  
Angular Momentum ◽  
Orbital Angular Momentum ◽  
Core Fiber ◽  
Ring Core

Deformation of orbital angular momentum modes in bending ring-core fiber

2017 ◽  
Vol 15 (3) ◽  
pp. 030501-30505 ◽  
Author(s):  
Haozhe Yan Haozhe Yan ◽  
Shangyuan Li Shangyuan Li ◽  
Zhengyang Xie Zhengyang Xie ◽  
Xiaoping Zheng Xiaoping Zheng ◽  
Cheng Du Cheng Du ◽  
...  
Keyword(s):  
Angular Momentum ◽  
Orbital Angular Momentum ◽  
Core Fiber ◽  
Ring Core

scholarly journals Scalable mode division multiplexed transmission over a 10-km ring-core fiber using high-order orbital angular momentum modes

2018 ◽  
Vol 26 (2) ◽  
pp. 594 ◽  
Author(s):  
Guoxuan Zhu ◽  
Ziyang Hu ◽  
Xiong Wu ◽  
Cheng Du ◽  
Wenyong Luo ◽  
...  
Keyword(s):  
Angular Momentum ◽  
Orbital Angular Momentum ◽  
High Order ◽  
Core Fiber ◽  
Ring Core

scholarly journals Analysis of Bending-Induced Degradation of Orbital Angular Momentum Modes in Optical Fibers

Photonics ◽  
2019 ◽  
Vol 6 (3) ◽  
pp. 97 ◽  
Author(s):  
Lee ◽  
Song ◽  
Kim
Keyword(s):  
Angular Momentum ◽  
Quantitative Analysis ◽  
Optical Fibers ◽  
Orbital Angular Momentum ◽  
Topological Charge ◽  
Charge Number ◽  
Crystal Fiber ◽  
Core Fiber ◽  
Bending Losses ◽  
Ring Core

In this work, bending-induced deterioration of orbital angular momentum (OAM) modes in ring core fiber (RCF), photonic crystal fiber (PCF), and vortex fiber (VF) was theoretically investigated: Bending losses, coupling losses, and intermodal crosstalk at the interface between straight and bent optical fibers were investigated from the modal analysis of those three types of OAM mode fibers. In addition, the degradation of a topological charge number of an OAM mode due to the bending-induced birefringence and horizontal mode asymmetry was also investigated. Our investigation revealed that, in all aspects, the PCF is most robust to bending among the three types of optical fibers, and the most serious bending-induced problem in the VF and the RCF is the degradation of the topological charge number. The allowed minimum bending radii of VF and RCF appeared to be ~15 and ~45 mm, respectively, for the specific structures considered in this work. We expect that the methodology and results of our quantitative analysis on bending-induced degradation of OAM modes will be of great use in the design of OAM mode fibers for practical use.

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