Hollow Silica Photonic Crystal Fiber Guiding 101 Orbital Angular Momentum Modes without Phase Distortion in C+L Band

Seongjin Hong; Yong Soo Lee; Hyucksu Choi; Chai Quan; Yan Li; Soeun Kim; Kyunghwan Oh

doi:10.1109/JLT.2019.2957139

Hollow Silica Photonic Crystal Fiber Guiding 101 Orbital Angular Momentum Modes without Phase Distortion in C+L Band

Seongjin Hong, Yong Soo Lee, Hyucksu Choi, Chai Quan, Yan Li, Soeun Kim, Kyunghwan Oh

Department of Physics

Research output: Contribution to journal › Article › peer-review

15 Citations (Scopus)

Abstract

We propose a new hollow ring core silica photonic crystal fiber that can support 101 orbital angular momentum (OAM) modes, maintaining a high mode quality without phase distortion, a low confinement loss, and a large effective index difference between the adjacent modes, which could open a new avenue of OAM mode multiplexing applications. The fiber consists of three layers: the circular central air hole, silica ring core, and circumferencing silica-air hole porous inner cladding. Using the full-vectorial finite element method (FEM), the modal characteristics of individual OAM modes in the proposed fiber were thoroughly analyzed by varying the number of air-holes in the circularly symmetric cladding. We found a general selection rule for the number of air-holes in the first layer and the topological charge to cause the phase distortion of OAM modes, for the first time. The phase distribution of the guided OAM modes was thoroughly investigated to select usable modes for mode division multiplexing. Parametric analyses of the proposed PCF are reported to optimize optical properties of the OAM modes.

Original language	English
Article number	8924636
Pages (from-to)	1010-1018
Number of pages	9
Journal	Journal of Lightwave Technology
Volume	38
Issue number	5
DOIs	https://doi.org/10.1109/JLT.2019.2957139
Publication status	Published - 2020 Mar 1

Bibliographical note

Funding Information:
Manuscript received May 15, 2019; revised September 9, 2019; accepted November 28, 2019. Date of publication December 5, 2019; date of current version March 11, 2020. This work was supported in part by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education 2018R1D1A1B07049349 and in part by an NRF grant funded by the Korea government (MSIT) 2019R1A2C2011293. (Seongjin Hong and Yong Soo Lee contributed equally to this work.) (Corresponding author: Kyunghwan Oh.) S. Hong, Y. S. Lee, H. Choi, C. Quan, and K. Oh are with the Institute of Physics and Applied Physics, Yonsei University, Seoul 120-749, South Korea (e-mail: h_sj@yonsei.ac.kr; xylys2012@gmail.com; scienchs1@yonsei.ac.kr; chaiquan@hrbeu.edu.cn; koh@yonsei.ac.kr).

Publisher Copyright:
© 1983-2012 IEEE.

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics

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10.1109/JLT.2019.2957139

Cite this

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title = "Hollow Silica Photonic Crystal Fiber Guiding 101 Orbital Angular Momentum Modes without Phase Distortion in C+L Band",

abstract = "We propose a new hollow ring core silica photonic crystal fiber that can support 101 orbital angular momentum (OAM) modes, maintaining a high mode quality without phase distortion, a low confinement loss, and a large effective index difference between the adjacent modes, which could open a new avenue of OAM mode multiplexing applications. The fiber consists of three layers: the circular central air hole, silica ring core, and circumferencing silica-air hole porous inner cladding. Using the full-vectorial finite element method (FEM), the modal characteristics of individual OAM modes in the proposed fiber were thoroughly analyzed by varying the number of air-holes in the circularly symmetric cladding. We found a general selection rule for the number of air-holes in the first layer and the topological charge to cause the phase distortion of OAM modes, for the first time. The phase distribution of the guided OAM modes was thoroughly investigated to select usable modes for mode division multiplexing. Parametric analyses of the proposed PCF are reported to optimize optical properties of the OAM modes.",

author = "Seongjin Hong and Lee, {Yong Soo} and Hyucksu Choi and Chai Quan and Yan Li and Soeun Kim and Kyunghwan Oh",

note = "Funding Information: Manuscript received May 15, 2019; revised September 9, 2019; accepted November 28, 2019. Date of publication December 5, 2019; date of current version March 11, 2020. This work was supported in part by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education 2018R1D1A1B07049349 and in part by an NRF grant funded by the Korea government (MSIT) 2019R1A2C2011293. (Seongjin Hong and Yong Soo Lee contributed equally to this work.) (Corresponding author: Kyunghwan Oh.) S. Hong, Y. S. Lee, H. Choi, C. Quan, and K. Oh are with the Institute of Physics and Applied Physics, Yonsei University, Seoul 120-749, South Korea (e-mail: h_sj@yonsei.ac.kr; xylys2012@gmail.com; scienchs1@yonsei.ac.kr; chaiquan@hrbeu.edu.cn; koh@yonsei.ac.kr). Publisher Copyright: {\textcopyright} 1983-2012 IEEE.",

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AU - Hong, Seongjin

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AU - Choi, Hyucksu

AU - Quan, Chai

AU - Li, Yan

AU - Kim, Soeun

AU - Oh, Kyunghwan

N1 - Funding Information: Manuscript received May 15, 2019; revised September 9, 2019; accepted November 28, 2019. Date of publication December 5, 2019; date of current version March 11, 2020. This work was supported in part by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education 2018R1D1A1B07049349 and in part by an NRF grant funded by the Korea government (MSIT) 2019R1A2C2011293. (Seongjin Hong and Yong Soo Lee contributed equally to this work.) (Corresponding author: Kyunghwan Oh.) S. Hong, Y. S. Lee, H. Choi, C. Quan, and K. Oh are with the Institute of Physics and Applied Physics, Yonsei University, Seoul 120-749, South Korea (e-mail: h_sj@yonsei.ac.kr; xylys2012@gmail.com; scienchs1@yonsei.ac.kr; chaiquan@hrbeu.edu.cn; koh@yonsei.ac.kr). Publisher Copyright: © 1983-2012 IEEE.

PY - 2020/3/1

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N2 - We propose a new hollow ring core silica photonic crystal fiber that can support 101 orbital angular momentum (OAM) modes, maintaining a high mode quality without phase distortion, a low confinement loss, and a large effective index difference between the adjacent modes, which could open a new avenue of OAM mode multiplexing applications. The fiber consists of three layers: the circular central air hole, silica ring core, and circumferencing silica-air hole porous inner cladding. Using the full-vectorial finite element method (FEM), the modal characteristics of individual OAM modes in the proposed fiber were thoroughly analyzed by varying the number of air-holes in the circularly symmetric cladding. We found a general selection rule for the number of air-holes in the first layer and the topological charge to cause the phase distortion of OAM modes, for the first time. The phase distribution of the guided OAM modes was thoroughly investigated to select usable modes for mode division multiplexing. Parametric analyses of the proposed PCF are reported to optimize optical properties of the OAM modes.

AB - We propose a new hollow ring core silica photonic crystal fiber that can support 101 orbital angular momentum (OAM) modes, maintaining a high mode quality without phase distortion, a low confinement loss, and a large effective index difference between the adjacent modes, which could open a new avenue of OAM mode multiplexing applications. The fiber consists of three layers: the circular central air hole, silica ring core, and circumferencing silica-air hole porous inner cladding. Using the full-vectorial finite element method (FEM), the modal characteristics of individual OAM modes in the proposed fiber were thoroughly analyzed by varying the number of air-holes in the circularly symmetric cladding. We found a general selection rule for the number of air-holes in the first layer and the topological charge to cause the phase distortion of OAM modes, for the first time. The phase distribution of the guided OAM modes was thoroughly investigated to select usable modes for mode division multiplexing. Parametric analyses of the proposed PCF are reported to optimize optical properties of the OAM modes.

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Hollow Silica Photonic Crystal Fiber Guiding 101 Orbital Angular Momentum Modes without Phase Distortion in C+L Band

Abstract

Bibliographical note

All Science Journal Classification (ASJC) codes

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