Orbital Angular Momentum Mode Propagation and Supercontinuum Generation in a Soft Glass Bragg Fiber

被引：3

作者：

Dyavangoudar, Amogh A. A. ^{[1
]}

Chhipa, Mayur Kumar ^{[2
]}

Saharia, Ankur ^{[1
]}

Ismail, Yaseera ^{[3
]}

Petruccione, Francesco ^{[4
,5
]}

Bourdine, Anton V. V. ^{[6
,7
,8
]}

Morozov, Oleg G. G. ^{[9
]}

Demidov, Vladimir V. V. ^{[7
]}

Yin, Juan ^{[10
]}

Singh, Ghanshyam ^{[11
]}

Tiwari, Manish ^{[1
]}

机构：

[1] Manipal Univ Jaipur, Dept Elect & Commun Engn, Optoelect & Photon Res Lab, Jaipur 303007, India

[2] ISBAT Univ, Dept Elect & Commun Engn, FICT, Kampala, Uganda

[3] Univ KwaZulu Natal, Sch Chem & Phys, Quantum Res Grp, ZA-4001 Durban, South Africa

[4] Stellenbosch Univ, Sch Data Sci & Computat Thinking, ZA-7602 Stellenbosch, South Africa

[5] Natl Inst Theoret & Computat Sci NITheCS, ZA-7600 Stellenbosch, South Africa

[6] Povolzhskiy State Univ Telecommun & Informat, Dept Commun Lines, Samara 443010, Russia

[7] JSC Scientif Prod Assoc State Opt Inst, St Petersburg, 192171, Russia

[8] St Petersburg State Univ Telecommun, Dept Photon & Commun Links, St Petersburg 193232, Russia

[9] Kazan Natl Res State Univ, Dept Radiophoton & Microwave Technol, Kazan 420111, Russia

[10] Univ Sci & Technol China, Div Quantum Phys & Quantum Informat, Hefei 200093, Shanghai, Peoples R China

[11] Malaviya Natl Inst Technol Jaipur, Dept ECE, Jaipur 302017, India

来源：

IEEE ACCESS | 2023年 / 11卷

基金：

俄罗斯基础研究基金会;

关键词：

~Bragg fiber; finite element method; OAM modes; zero-dispersion wavelength; supercontinuum generation; PHOTONIC-CRYSTAL FIBER; INFRARED SUPERCONTINUUM; BROAD-BAND; OAM; ULTRAFLAT;

D O I：

10.1109/ACCESS.2023.3281370

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This manuscript presents a ring-core Bragg Fiber (RC-BF) for orbital angular momentum (OAM) modes propagation and supercontinuum generation. The proposed RC-BF is composed of alternating layers of soft glasses SF57 and LLF1 to render high nonlinearity to the fiber. Mode analysis using fullvectorial finite element method resulted in obtaining HE/EH modes to support vector modes as well as orbital angular momentum modes. The optimized fiber supports 22 OAM modes and exhibits a zero-dispersion wavelength (ZDW). The small effective area of Fiber 3 aided in achieving the highest nonlinearity, gamma = 91.51 W(-1)km(-1). A near-infrared supercontinuum is generated with a 35 dB flatness over a bandwidth of similar to 1087 - 2024 nm in a 20 cm long RC-BF using a chirp-free hyperbolic secant pulse of width 200 fs and peak power of 5 kW.

引用

页码：56891 / 56899

页数：9

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