Photonic crystal fiber for robust orbital angular momentum transmission: design and investigation

被引：40

作者：

Hassan, Md Mehedi ^{[1
]}

Kabir, Md Anowar ^{[1
]}

Hossain, Md Nadim ^{[1
]}

Biswas, Bipul ^{[1
]}

Paul, Bikash Kumar ^{[1
,2
,3
]}

Ahmed, Kawsar ^{[1
,2
]}

机构：

[1] Mawlana Bhashani Sci & Technol Univ, Dept Informat & Commun Technol, Santosh 1902, Tangail, Bangladesh

[2] Mawlana Bhashani Sci & Technol Univ, Grp Biophotomatix, Santosh 1902, Tangail, Bangladesh

[3] Daffodil Int Univ, Dept Software Engn, Dhaka 1207, Bangladesh

来源：

OPTICAL AND QUANTUM ELECTRONICS | 2020年 / 52卷 / 01期

关键词：

Orbital angular momentum (OAM); Photonic crystal fiber (PCF); Mode division multiplexing (MDM); Space division multiplexing (SDM); MICRO-STRUCTURED FIBER; GUIDING CHARACTERISTICS; GENERATION; LIGHT;

D O I：

10.1007/s11082-019-2125-0

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this paper, a novel design, photonic crystal fiber (PCF) has been reported to support more orbital angular momentum (OAM) modes for the first time. The cladding region formed by employing the three-layer chain shaped air cavities. The OAM properties and parameters are calculated by optimizing the design of the PCF. The simulation results can support 26 OAM modes with a wider bandwidth (750 nm). The confinement loss of the most OAM modes is below average 10(-7) dB/m and the nonlinear coefficient is less than 4 W-1/km. Some OAM modes with comparatively flat dispersion variation (such as 3.8684 ps/km-nm) for HE2,1 are noticed from the design. Moreover, fundamental optical characteristics have been rigorously computed by utilizing the finite element method. Now, it can be anticipated that, these excellent optical characteristics confirm the introduced design as a prominent candidate for the OAM transmission and other relevant areas of optical communications.

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页数：14

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