Abstract
Dispersion compensation with higher order mode is emerging as a promising technique that can provide full dispersion and dispersion slope compensation for a long distance high bit rate system. Long period grating-based LP01↔LP02 mode converters are designed in the wavelength region of 1550 nm for this purpose. The simulated mode converters have large bandwidth with conversion efficiencies of over 99% and the estimated figure of merit is 309 ps/(nm dB). The negative dispersion of −124 ps/(nm km) is obtained over a bandwidth (@20 dB) of 58 nm with relative dispersion slope of 0.008/nm.
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