Characterization of multi-mode fibers and devices for MIMO communications

Nicolas K. Fontaine

doi:10.1117/12.2044339

1 February 2014 Characterization of multi-mode fibers and devices for MIMO communications

Nicolas K. Fontaine

Proceedings Volume 9009, Next-Generation Optical Communication: Components, Sub-Systems, and Systems III; 90090A (2014) https://doi.org/10.1117/12.2044339
Event: SPIE OPTO, 2014, San Francisco, California, United States

Abstract

Space-division multiplexing (SDM) systems transmit over multiple spatial-paths to increase capacity or photon efficiency. In these links, coupling between the spatial paths scramble each input signal across all the output channels. This scrambling is described by a N × M frequency dependent transfer matrix which can be undone using multiple-input multiple-output processing. Using a swept-wavelength interferometer with spatial diversity, we can completely characterize the amplitude and phase transmission between each input and output across the entire C-band in a single 100-ms scan. Matrix eigenanalysis of the transfer matrix enables extraction of the system's insertion loss, mode-dependent loss, and the principle-states of polarization. Results will include transfer matrix measurements of few-mode fibers, coupled-core fibers, photonic lantern spatial-multiplexers, and SDM compatible wavelength routing components such as a wavelength selective switch.

Citation Download Citation

Nicolas K. Fontaine "Characterization of multi-mode fibers and devices for MIMO communications", Proc. SPIE 9009, Next-Generation Optical Communication: Components, Sub-Systems, and Systems III, 90090A (1 February 2014); https://doi.org/10.1117/12.2044339

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