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Rigorous analysis on a U-shaped index fiber for generating cylindrical vector beams in an all-fiber format

Rigorous analysis on a U-shaped index fiber for generating cylindrical vector beams in an all-fiber format
Rigorous analysis on a U-shaped index fiber for generating cylindrical vector beams in an all-fiber format
We propose a novel method to generate cylindrical vector beams (CVBs) which can be applied to conventional fiber-laser system configuration. We focus on the relationship between the laser pump power threshold and the power confinement in the high index region of a fiber, and suggest a novel type of index distribution for the desirable operation. We verify our idea by computer simulations and show that the laser threshold of the CV mode can be reduced down below that of the fundamental mode by 3%. The suggested method will be useful for generating cylindrical vector beams in an all-fiber format.
Kim, H.
0bfb2976-6383-45e1-9323-e1af371ea769
Kwon, Y.
243318a4-1325-4a50-95aa-8e6415a63a9d
Vazquez-Zuniga, L.A.
3f703a9a-2655-4760-90cf-6d292399e5e4
Jeong, Y.
1c4007b7-fc94-4f7d-a080-929d40946902
Kim, H.
0bfb2976-6383-45e1-9323-e1af371ea769
Kwon, Y.
243318a4-1325-4a50-95aa-8e6415a63a9d
Vazquez-Zuniga, L.A.
3f703a9a-2655-4760-90cf-6d292399e5e4
Jeong, Y.
1c4007b7-fc94-4f7d-a080-929d40946902

Kim, H., Kwon, Y., Vazquez-Zuniga, L.A. and Jeong, Y. (2012) Rigorous analysis on a U-shaped index fiber for generating cylindrical vector beams in an all-fiber format. 17th Opto-Electronics and Communications Conference: OECC 2012, , Busan, Korea, Republic of. 02 - 06 Jul 2012. (doi:10.1109/OECC.2012.6276742).

Record type: Conference or Workshop Item (Paper)

Abstract

We propose a novel method to generate cylindrical vector beams (CVBs) which can be applied to conventional fiber-laser system configuration. We focus on the relationship between the laser pump power threshold and the power confinement in the high index region of a fiber, and suggest a novel type of index distribution for the desirable operation. We verify our idea by computer simulations and show that the laser threshold of the CV mode can be reduced down below that of the fundamental mode by 3%. The suggested method will be useful for generating cylindrical vector beams in an all-fiber format.

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More information

Published date: 23 August 2012
Venue - Dates: 17th Opto-Electronics and Communications Conference: OECC 2012, , Busan, Korea, Republic of, 2012-07-02 - 2012-07-06

Identifiers

Local EPrints ID: 442884
URI: http://eprints.soton.ac.uk/id/eprint/442884
PURE UUID: a20e3ea4-2b15-44a8-9c54-987c8220631e

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Date deposited: 30 Jul 2020 16:30
Last modified: 16 Mar 2024 08:47

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Contributors

Author: H. Kim
Author: Y. Kwon
Author: L.A. Vazquez-Zuniga
Author: Y. Jeong

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