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Fiber-based mode converter for generating optical vortex beams

Chen Ruishan et al · Editorial Office of Opto-Electronic Journals Group, Institute of Optics and Electronics, CAS, China · 2018

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Author / responsible party
Chen Ruishan et al
Publisher
Editorial Office of Opto-Electronic Journals Group, Institute of Optics and Electronics, CAS, China
Year
2018
ISSN
2096-4579
ISSN
2096-4579
Language
English

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In this work, an all-fiber-based mode converter for generating orbital angular momentum (OAM) beams is proposed and numerically investigated. Its structure is constructed by cascading a mode selective coupler (MSC) and an inner elliptical cladding fiber (IECF). OAM modes refer to a combination of two orthogonal LPlm modes with a phase difference of ±π/2. By adjusting the parameters and controlling the splicing angle of MSC and IECF appropriately, higher-order OAM modes with topological charges of l = ±1, ±2, ±3 can be obtained with the injection of the fundamental mode LP01, resulting in a mode-conversion efficiency of almost 100%. This achievement may pave the way towards the realization of a compact, all-fiber, and high-efficiency device for increasing the transmission capacity and spectral efficiency in optical communication systems with OAM mode multiplexing.

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APA 7

al, C. R. E. (2018). Fiber-based mode converter for generating optical vortex beams. https://doi.org/10.29026/oea.2018.180003

MLA

al, Chen Ruishan et. "Fiber-based mode converter for generating optical vortex beams." 2018. https://doi.org/10.29026/oea.2018.180003.

Chicago

al, Chen Ruishan et. 2018. "Fiber-based mode converter for generating optical vortex beams.". https://doi.org/10.29026/oea.2018.180003.

Harvard

al, C. R. E. 2018, Fiber-based mode converter for generating optical vortex beams, Editorial Office of Opto-Electronic Journals Group, Institute of Optics and Electronics, CAS, China, available at: https://doi.org/10.29026/oea.2018.180003 [Accessed 8 Aug. 2026].

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Title
Fiber-based mode converter for generating optical vortex beams
Author / contributors
Chen Ruishan et al
Publisher
Editorial Office of Opto-Electronic Journals Group, Institute of Optics and Electronics, CAS, China
Publication year
2018
ISSN
2096-4579
ISSN
2096-4579
Language
English

Subjects

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optical vortices; fiber optics; singular optics; mode-division multiplexing
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