SSFBG-based decorrelator for MUI rejection in synchronous optical CDMA systems

M. Sathish Kumar

doi:10.1049/ip-opt:20050005

SSFBG-based decorrelator for MUI rejection in synchronous optical CDMA systems

M. Sathish Kumar

Research output: Contribution to journal › Article › peer-review

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Abstract

A superstructured fibre Bragg grating (SSFBG) decorrelator for rejecting multi-user interference (MUI) in a synchronous optical code division multiple access (OCDMA) system is proposed and investigated. The decorrelator is formed by appropriately defining the superstructure of a weak fibre Bragg grating. Theoretical results arrived at using coupled mode theory show that it is possible to make the MUI practically zero at the sampling instant provided there is perfect bit synchronisation among the users accessing the OCDMA system. A theoretical investigation on the degradation of optical signal to interference ratio (OSIR) is also conducted by statistically modelling the jitter likely to result in the bit synchronisation mechanism of the system.

Original language	English
Pages (from-to)	277-284
Number of pages	8
Journal	IEE Proceedings: Optoelectronics
Volume	152
Issue number	6
DOIs	https://doi.org/10.1049/ip-opt:20050005
Publication status	Published - 12-2005

All Science Journal Classification (ASJC) codes

Computer Networks and Communications
Electrical and Electronic Engineering
Atomic and Molecular Physics, and Optics

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10.1049/ip-opt:20050005

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abstract = "A superstructured fibre Bragg grating (SSFBG) decorrelator for rejecting multi-user interference (MUI) in a synchronous optical code division multiple access (OCDMA) system is proposed and investigated. The decorrelator is formed by appropriately defining the superstructure of a weak fibre Bragg grating. Theoretical results arrived at using coupled mode theory show that it is possible to make the MUI practically zero at the sampling instant provided there is perfect bit synchronisation among the users accessing the OCDMA system. A theoretical investigation on the degradation of optical signal to interference ratio (OSIR) is also conducted by statistically modelling the jitter likely to result in the bit synchronisation mechanism of the system.",

author = "{Sathish Kumar}, M.",

year = "2005",

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AB - A superstructured fibre Bragg grating (SSFBG) decorrelator for rejecting multi-user interference (MUI) in a synchronous optical code division multiple access (OCDMA) system is proposed and investigated. The decorrelator is formed by appropriately defining the superstructure of a weak fibre Bragg grating. Theoretical results arrived at using coupled mode theory show that it is possible to make the MUI practically zero at the sampling instant provided there is perfect bit synchronisation among the users accessing the OCDMA system. A theoretical investigation on the degradation of optical signal to interference ratio (OSIR) is also conducted by statistically modelling the jitter likely to result in the bit synchronisation mechanism of the system.

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SSFBG-based decorrelator for MUI rejection in synchronous optical CDMA systems

Abstract

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