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Cladding-ring-equivalent effective index method for analyzing the dispersion characteristic of W-shape photonic crystal fibers

J. YUAN1,* , X. SANG1, C. YU1, X. SHEN1, C. JIN1, G. ZHOU2, L. HOU3

Affiliation

  1. Key Laboratory of Information Photonics and Optical Communications (Beijing University of Posts and Telecommunications), Ministry of Education, P.O. Box163 (BUPT), 100876 Beijing, China
  2. School of Information and Optoelectronic Science and Engineering, South China Normal University, 510006, Guangzhou, China
  3. Institute of Infrared Optical Fibers and Sensors, College of Information Science and Engineering, Yanshan University, Qinhuangdao 066004, China

Abstract

The cladding-ring-equivalent effective index method (CREEIM) is proposed to analyze the dispersion characteristic of photonic crystal fibers (PCFs) with W-shape cladding index distribution. The effective indices and dispersions are calculated, and the accuracy of CREEIM is confirmed through comparing the results obtained with the multipole method (MPM). The differences between two methods are evaluated with the relative error RE of effective index and relative difference RD of dispersion. The numerical results show that the simple model provides a fast and exact insight into analyzing the W-shape PCFs..

Keywords

Photonic crystal fibers (PCFs), Cladding-ring-equivalent effective index method (CREEIM), Dispersion characteristic, Multipole method (MPM).

Submitted at: March 3, 2011
Accepted at: March 16, 2011

Citation

J. YUAN, X. SANG, C. YU, X. SHEN, C. JIN, G. ZHOU, L. HOU, Cladding-ring-equivalent effective index method for analyzing the dispersion characteristic of W-shape photonic crystal fibers, Journal of Optoelectronics and Advanced Materials Vol. 13, Iss. 3, pp. 196-199 (2011)