Abstract
A mixed analytical-numerical technique is used to calculate the average bit-error-rate (BER) for a two-user per channel subcarrier multiplexed wavelength division multiple access (SCM/WDMA) optical network. The network is subject to optical beat interference (OBI)1–5. The BER is found through elaborate simulation and numerical computation. It is shown that the system performance is severely degraded by OBI, even at very low subcarrier bit rates (e.g., 50 Mbps), when polarization scrambling is not used. However, the network can support much higher subcarrier bit rates (up to 500 Mbps/channel) with sufficiently high polarization scrambling rates (about 100 GHz). Using Dense WDMA, the network is shown to support more than 150 Gbps total throughput.
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References
N. K. Shankaranarayanan, S. D. Elby, and K. Y. Lau, “WDMA/subcarrier-FDMA lightwave networks: limitations due to optical beat interference,”, J. Lightwave Tech., Vol. 9, No. 7, pp. 931–943, Jul. 1991
T. H. Wood and N. K. Shankaranarayanan, “Measurements of the effect of optical beat interference (OBI) on the bit-error-rate of a subcarrier-based passive optical network (PON),”, Proc. OFC’93, pp. 231–233
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M. M. Banat and M. Kavehrad, “Reduction of Optical Beat Interference in SCM/WDMA Networks using Pseudorandom Phase Modulation,”, J. Lightwave Tech., Accepted for publication.
M. M. Banat and M. Kavehrad, “Effects of laser direct intensity modulation index on optical interference in subcarrier multiplexed wavelength division multiple access networks,”, Submitted for publication.
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© 1995 Springer Science+Business Media New York
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Banat, M.M., Kavehrad, M. (1995). Bit-Error-Rate of an SCM/WDMA Optical Network Employing Polarization Scrambling under Optical Beat Interference. In: Lampropoulos, G.A., Chrostowski, J., Measures, R.M. (eds) Applications of Photonic Technology. Springer, Boston, MA. https://doi.org/10.1007/978-1-4757-9247-8_14
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DOI: https://doi.org/10.1007/978-1-4757-9247-8_14
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