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Characterization of optical add drop multiplexers in high bit rate WDM networks

Characterization of optical add drop multiplexers in high bit rate WDM networks
Characterization of optical add drop multiplexers in high bit rate WDM networks
Characterization of Optical Add Drop Multiplexers (OADMs) in High Bit Rate Wavelength Division Multiplexing (WDM) systems is presented using theoretical systems simulations. Firstly the interferometric full-coupler based OADM is modelled in various configurations using coupled mode theory. Implications of the inherent non-optimum overall performance of this device in conjunction with additional system issues like filter misalignments and cascading are analysed. Filters with typical degraded spectral characteristics in the Drop or Add action exhibits at least 0.15 dB higher Eye Opening Penalty (EOP) compared to filter with optimized flat spectral response. For this kind of OADMs we found also that the Intra-Band dispersion EOP performance in a cascaded 'Add-and-Drop operation' - in a single-wavelength-processing-node - for a specific OADM is insensitive to the arrangement of the Bragg grating in the coupler waist and consequently to the individual spectral characteristics of the Add or Drop actions.
Riziotis, C.
a2037f27-c711-46c3-bec4-2293fca6f0e0
Zervas, M.N.
1840a474-dd50-4a55-ab74-6f086aa3f701
Riziotis, C.
a2037f27-c711-46c3-bec4-2293fca6f0e0
Zervas, M.N.
1840a474-dd50-4a55-ab74-6f086aa3f701

Riziotis, C. and Zervas, M.N. (2000) Characterization of optical add drop multiplexers in high bit rate WDM networks. CSNDSP 2000, Bournemouth, UK. 17 - 19 Jul 2000.

Record type: Conference or Workshop Item (Paper)

Abstract

Characterization of Optical Add Drop Multiplexers (OADMs) in High Bit Rate Wavelength Division Multiplexing (WDM) systems is presented using theoretical systems simulations. Firstly the interferometric full-coupler based OADM is modelled in various configurations using coupled mode theory. Implications of the inherent non-optimum overall performance of this device in conjunction with additional system issues like filter misalignments and cascading are analysed. Filters with typical degraded spectral characteristics in the Drop or Add action exhibits at least 0.15 dB higher Eye Opening Penalty (EOP) compared to filter with optimized flat spectral response. For this kind of OADMs we found also that the Intra-Band dispersion EOP performance in a cascaded 'Add-and-Drop operation' - in a single-wavelength-processing-node - for a specific OADM is insensitive to the arrangement of the Bragg grating in the coupler waist and consequently to the individual spectral characteristics of the Add or Drop actions.

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Published date: 2000
Venue - Dates: CSNDSP 2000, Bournemouth, UK, 2000-07-17 - 2000-07-19

Identifiers

Local EPrints ID: 16931
URI: http://eprints.soton.ac.uk/id/eprint/16931
PURE UUID: 1d21474d-df22-4580-9ebd-ae156f3d11a3
ORCID for M.N. Zervas: ORCID iD orcid.org/0000-0002-0651-4059

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Date deposited: 18 Aug 2005
Last modified: 12 Dec 2021 02:42

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Contributors

Author: C. Riziotis
Author: M.N. Zervas ORCID iD

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