Modelling of interferometric crosstalk in optical networks

Luis Moura, Nikos Karafolas, Phil Lane, Alan Hill, John O'Reilly

Research output: Chapter in Book/Report/Conference proceedingConference contribution

11 Citations (Scopus)

Abstract

Interferometric crosstalk due to imperfect component performance has been shown to have a dramatic impact on performance in optical networks. In this paper we assess the impact of incoherent interferometric crosstalk in terms of BER and power penalty (PP). We use a rigorous formulation based on the modified Chernoff bound (MCB) which provides an accurate upper bound on the BER and on the PP. We compare these results with the Gaussian approximation (GA) and identify the scenario for which the GA can be applied with confidence. The influence of the decision threshold level is also examined and we will show that optimisation of the threshold can provide up to about 5 dB of crosstalk isolation.
LanguageEnglish
Title of host publicationGlobal Telecommunications Conference, 1996. GLOBECOM '96. 'Communications: The Key to Global Prosperity
PublisherIEEE
Pages333-337
Number of pages5
Volume1
ISBN (Print)0780333365
DOIs
Publication statusPublished - 1996
Externally publishedYes

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crosstalk
penalties
thresholds
approximation
confidence
isolation
formulations
optimization

Cite this

Moura, L., Karafolas, N., Lane, P., Hill, A., & O'Reilly, J. (1996). Modelling of interferometric crosstalk in optical networks. In Global Telecommunications Conference, 1996. GLOBECOM '96. 'Communications: The Key to Global Prosperity (Vol. 1, pp. 333-337). [5677909] IEEE. https://doi.org/10.1109/GLOCOM.1996.594384
Moura, Luis ; Karafolas, Nikos ; Lane, Phil ; Hill, Alan ; O'Reilly, John. / Modelling of interferometric crosstalk in optical networks. Global Telecommunications Conference, 1996. GLOBECOM '96. 'Communications: The Key to Global Prosperity. Vol. 1 IEEE, 1996. pp. 333-337
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title = "Modelling of interferometric crosstalk in optical networks",
abstract = "Interferometric crosstalk due to imperfect component performance has been shown to have a dramatic impact on performance in optical networks. In this paper we assess the impact of incoherent interferometric crosstalk in terms of BER and power penalty (PP). We use a rigorous formulation based on the modified Chernoff bound (MCB) which provides an accurate upper bound on the BER and on the PP. We compare these results with the Gaussian approximation (GA) and identify the scenario for which the GA can be applied with confidence. The influence of the decision threshold level is also examined and we will show that optimisation of the threshold can provide up to about 5 dB of crosstalk isolation.",
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language = "English",
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Moura, L, Karafolas, N, Lane, P, Hill, A & O'Reilly, J 1996, Modelling of interferometric crosstalk in optical networks. in Global Telecommunications Conference, 1996. GLOBECOM '96. 'Communications: The Key to Global Prosperity. vol. 1, 5677909, IEEE, pp. 333-337. https://doi.org/10.1109/GLOCOM.1996.594384

Modelling of interferometric crosstalk in optical networks. / Moura, Luis; Karafolas, Nikos; Lane, Phil; Hill, Alan; O'Reilly, John.

Global Telecommunications Conference, 1996. GLOBECOM '96. 'Communications: The Key to Global Prosperity. Vol. 1 IEEE, 1996. p. 333-337 5677909.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

TY - GEN

T1 - Modelling of interferometric crosstalk in optical networks

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AU - Karafolas, Nikos

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AU - Hill, Alan

AU - O'Reilly, John

PY - 1996

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N2 - Interferometric crosstalk due to imperfect component performance has been shown to have a dramatic impact on performance in optical networks. In this paper we assess the impact of incoherent interferometric crosstalk in terms of BER and power penalty (PP). We use a rigorous formulation based on the modified Chernoff bound (MCB) which provides an accurate upper bound on the BER and on the PP. We compare these results with the Gaussian approximation (GA) and identify the scenario for which the GA can be applied with confidence. The influence of the decision threshold level is also examined and we will show that optimisation of the threshold can provide up to about 5 dB of crosstalk isolation.

AB - Interferometric crosstalk due to imperfect component performance has been shown to have a dramatic impact on performance in optical networks. In this paper we assess the impact of incoherent interferometric crosstalk in terms of BER and power penalty (PP). We use a rigorous formulation based on the modified Chernoff bound (MCB) which provides an accurate upper bound on the BER and on the PP. We compare these results with the Gaussian approximation (GA) and identify the scenario for which the GA can be applied with confidence. The influence of the decision threshold level is also examined and we will show that optimisation of the threshold can provide up to about 5 dB of crosstalk isolation.

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Moura L, Karafolas N, Lane P, Hill A, O'Reilly J. Modelling of interferometric crosstalk in optical networks. In Global Telecommunications Conference, 1996. GLOBECOM '96. 'Communications: The Key to Global Prosperity. Vol. 1. IEEE. 1996. p. 333-337. 5677909 https://doi.org/10.1109/GLOCOM.1996.594384