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Design Considerations for Inverse Dispersion Fiber
Kazuhide NAKAJIMA Masaharu OHASHI
IEICE TRANSACTIONS on Electronics
Publication Date: 2002/04/01
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Issue on Optical Fibers and Devices)
chromatic dispersion, optical fiber, dispersion compensation, dense wavelength division multiplexing (DWDM),
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In this paper, we describe design considerations for inverse dispersion fiber (IDF) whose chromatic dispersion is designed to compensate for that of conventional 1.3 µm zero-dispersion single-mode fiber (SMF). We clarify the appropriate structural parameters for W-type, triple-clad-type and ring-type refractive index profiles to realize a hybrid transmission line composed of SMF and IDF taking into consideration the bending sensitivity and the available wavelength bandwidth that achieves an average chromatic dispersion of below 1 ps/nm/km in the 1.55 µm region. We also show that, when the launched power is less than 0 dBm/ch, a hybrid transmission line composed of SMF and IDF provides better 40 Gbps 8 ch dense wavelength division multiplexing (DWDM) transmission performance than a conventional dispersion compensation scheme with a dispersion compensating fiber (DCF) module.