Journal
IEEE PHOTONICS TECHNOLOGY LETTERS
Volume 12, Issue 9, Pages 1270-1272Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/68.874258
Keywords
data buses; distributed amplification; erbium-doped fiber (EDF); optical-fiber amplifiers; optical-fiber sensors; wavelength-division multiplexing (WDM)
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A novel distributed optically amplified double-bus topology used for photonic sensor wavelength-division multiplexing is proposed. This new topology virtually eliminates the received amplified spontaneous emission noise generated by the erbium-doped fiber used to provide amplification. This low-noise configuration yields signal-to-noise ratios over 54 dB and increases the number of sensors that could be multiplexed in a single structure, Furthermore, this improvement is done without increasing the complexity of the regular double-bus topologies. The performance of this new topology is compared to a previously reported optically amplified double-bus topology.
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