| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Investigation on Guided-Mode Characteristics of Hollow-Core Photonic Crystal Fibre at Near-Infrared Wavelengths |
| YUAN Jin-Hui1, YU Chong-Xiu1, SANG Xin-Zhu1, LI Wen-Jing1, ZHOU Gui-Yao2, LI Shu-Guang2, HOU Lan-Tian2 |
| 1Key Laboratory of Optical Communication and Lightwave Technologies (Ministry of Education), Beijing University of Posts and Telecommunications, Beijing 1008762Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinghuangdao 066004 |
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| Cite this article: |
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YUAN Jin-Hui, YU Chong-Xiu, SANG Xin-Zhu et al 2009 Chin. Phys. Lett. 26 034211 |
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Abstract Guided-mode characteristics of hollow-core photonic crystal fibre (HC-PCF) are experimentally and theoretically investigated. The transmission spectrum in the range from 755 to 845nm is observed and the loss is measured to be 0.12dB/m at 800nm by cut-back method. Based on the full-vector beam propagation method and the full-vector plane-wave method, the characteristics of mode field over propagation distance 1m are simulated, and the results show that the propagation efficiency can be above 80%. Compared with the fundamental guided mode well confined in air core within shorter propagation distance, the second-order guided mode leaks into the cladding region and gradually attenuates due to larger refractive index difference. The primary loss factors in HC-PCF and the corresponding solutions are elementarily discussed.
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| Keywords:
42.81.Cn
03.40.Kf
71.15.Ap
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Received: 26 November 2008
Published: 19 February 2009
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| PACS: |
42.81.Cn
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(Fiber testing and measurement of fiber parameters)
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03.40.Kf
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71.15.Ap
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(Basis sets (LCAO, plane-wave, APW, etc.) and related methodology (scattering methods, ASA, linearized methods, etc.))
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