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Mode division multiplexing (MDM) over wavelength division multiplexing (WDM) network is studied, particularly focusing on low differential mode group delay (DMGD) two-mode fiber (TMF) link in a wide spectral range. Here, the DMGD is defined as the group delay between the two guided modes, LP01 and LP11 modes. For the starter, We will revisit an invention of the original TMF in late 70's, followed...
The channel impulse response (CIR) and the differential mode group delay (DMGD) of a 102.6-km DGMD-compensated Few-Mode Fiber (FMF) link have been estimated over C-Band using pilot-based MIMO techniques.
Asynchronous 2-mode × 4-code × 10Gbps, MDM-OCDM transmission over 42km of a set of SMF and TMF using mode MUX/DeMUX at remote node and OLT is experimentally demonstrated without dispersion compensation.
We have demonstrated mode division multiplexed transmission using a space-optics based mode multiplexer/demultiplexer. In the experiment, 10 Gb/s NRZ-OOK signal and interfering CW light were simultaneously transmitted through a 2km-long two-mode fiber with BER<10−9.
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