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24 October 2012Constant-V step-index optical fiber with pure silica core
In this paper we propose and analyze a step-index optical fiber design in which normalized frequency, V, remains constant at all wavelengths of interest. Such a fiber would require materials with specific wavelength dependent refractive index profile. Constant-V operation ensures that the effective area becomes wavelength independent. Larger core with higher V ensures that fiber can have larger effective area, high confinement factor, and reasonably lower bendloss. Such fibers will exhibit higher local dispersion, which is desirable for DWDM communications.
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Salim Tariq, Samir F. Mahmoud, "Constant-V step-index optical fiber with pure silica core," Proc. SPIE 8412, Photonics North 2012, 84120Q (24 October 2012); https://doi.org/10.1117/12.2001026