Journal
OPTICS EXPRESS
Volume 24, Issue 15, Pages 17285-17291Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.24.017285
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Funding
- National Natural Science Foundation of China [61378036, 61307058, 11304101, 11474108]
- Key Program of Natural Science Foundation of Guangdong Province, China [2014A030311037]
- Open Fund of the State Key Laboratory of Luminescent Materials and Devices (South China University of Technology) [2016-skllmd-12]
- Guangdong Natural Science Funds for Distinguished Young Scholar [2014A030306019]
- Program for the Outstanding Innovative Young Talents of Guangdong Province [2014TQ01X220]
- Zhujiang New-star Plan of Science & Technology in Guangzhou City [2014J2200008]
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We propose and numerically investigate a photonic crystal fiber (PCF) based on As2S3 for supporting the orbital angular momentum (OAM) modes up to 26. The designed PCF is composed of four well-ordered air hole rings in the cladding and an air hole at the center. The OAM modes can be well separated due to the large effective index difference of above 10(-4) between the eigenmodes and maintain single-mode condition radially. In addition, the dispersions of the modes increase slowly with wavelengths, while the confinement loss keeps as low as 10(-9) dB/m. The proposed PCF increases the supported OAM modes which could have some potential applications in short-distance, high-capacity transmission. (C) 2016 Optical Society of America
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