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Bending-Loss Insensitive Fiber with Hole-Assisted Structure
IEICE TRANSACTIONS on Communications
Publication Date: 2011/03/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Optical Fiber for Communications
hole-assisted fiber, bending-loss, mode field diameter, cutoff wavelength, multi-path interference,
Full Text: FreePDF(979KB)
The characteristics of hole-assisted fiber (HAF) are investigated both numerically and experimentally in terms of its applicability as a bending-loss insensitive fiber (BIF). We show that HAF with the desired mode-field diameter (MFD), bending-loss and cutoff wavelength characteristics can be roughly designed by taking a few specific structural parameters into consideration. We also show that an optical cord composed of adequately designed HAF realizes satisfactory transmission performance with respect to its multi-path interference (MPI) characteristics. These results reveal that a hole-assisted type BIF will be beneficial for realizing easy and economical installation and maintenance in future access networks.