Abstract
Few-mode fiber (FMF)-based spatial division multiplexing (SDM) and mode division multiplexing (MDM) are the most encouraging method for considerable growth of the spectral efficiency of current optical communication links. FMFs are the unique sort of fiber where every individual guiding mode is treated as a different information channel. This work presents the transmission of wavelength-interleaved (WI) wavelength division multiplexed (WDM) data channels over the MDM link. This wavelength-interleaved WDM-MDM transmission link is established to multiplex the three wavelength-interleaved WDM channels over four linearly polarized (LP) modes of a ring-core FMF over different link length to compare the link performance. A 4 × 3 × 10 Gbps wavelength-interleaved WDM-MDM link is established and verified through simulation over 100 km using intensity modulation and direct detection (IM-DD) with acceptable bit error rate (BER).
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