Abstract
This paper numerically describes the design of double-cladding photonic-crystal fiber (DC-PCF) for
ultrabroadband compensation over all telecommunication bands (O
to L), i.e., ranging from 1260 to 1625 nm. We show that an
ultrabroadband compensating DC-PCF can be designed simply by considering the zero-dispersion wavelength and the
relative dispersion to the slope at a particular wavelength of a conventional single-mode fiber (SMF). As a result,
we reveal that the proposed DC-PCF can successfully compensate for the dispersion of a conventional SMF with an
effective dispersion range of ± 0.4 ps/nm·km over all telecommunication
bands as well as provide an effective area comparable to that of conventional dispersion-compensating fiber.
© 2006 IEEE
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