Acta Optica Sinica, Volume. 13, Issue 7, 603(1993)
Effects of four-wave mixing in long distance Coherent optical fibre transmission
In this paper, effects of one of the fibre nonlinearities, four-wave mixing, in long distance coherent multichannel optical fibre transmission are studied. An optical frequency division multiplexed system with 9 erbium doped fibre amplifiers, transmitting over 550 km of fibre is used in the expreiment. The nonlinear interactions between the channels due to the four-wave mixing are clearly observed. Experimental results are well agreed with the theoretical analysis and calculations. Results show that for multichannel transmission at several Gbit/s with conventional non-return to zero data, transmission performance is significantly affected by the four-wave mixing.
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[in Chinese]. Effects of four-wave mixing in long distance Coherent optical fibre transmission[J]. Acta Optica Sinica, 1993, 13(7): 603