Construction and Analysis of a Novel SAC-OCDMA System with EDW Coding using Direct Detection Technique

Himali Sarangal; Amarpal Singh; Jyoteesh Malhotra

doi:10.1515/joc-2017-0061

Article

Construction and Analysis of a Novel SAC-OCDMA System with EDW Coding using Direct Detection Technique

Himali Sarangal , Amarpal Singh and Jyoteesh Malhotra

Published/Copyright: August 12, 2017

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From the journal Journal of Optical Communications Volume 40 Issue 3

Abstract

Spectral amplitude coding optical code division multiple access (SAC-OCDMA) is a promising innovation for burst and asynchronous environment. This paper endeavors to analyze the efficacy of the proposed optimum SAC-OCDMA system by utilizing enhanced double-weight (EDW) code for six users operating at a bit rate of 60 Gb/s (10×6 Gb/s). Also, an algorithm is designed for EDW code with mapping technique for any weight that can be greater than two. The EDW code is analyzed for bit error rate (BER) and Q-factor using direct detection technique. Further, the system is compared with three dispersion compensating techniques (pre, post and symmetrical). The results indicate that by using symmetrical compensation the maximum usable distance increases to more than twice as compared to without compensation for the targeted BER (10⁻⁹), whereas by using p- and post-compensation the BER value increases to 10⁻¹³ as compared to without compensation whose BER value is 10⁻⁵. The comparison results show acceptable performance improvement.

Keywords: spectral amplitude coding optical code division multiple access (SAC-OCDMA); enhanced double weight (EDW); spectral direct detection (SDD); dispersion compensating fiber (DCF)

Acknowledgement

We would like to thank the Punjab Technical University, Kapurthala, for stretching out incredible backing to us. Further, we wish to thank all who helped us for completing this work.

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Received: 2017-04-12

Accepted: 2017-07-20

Published Online: 2017-08-12

Published in Print: 2019-07-26

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Articles in the same Issue

https://doi.org/10.1515/joc-2017-0061

Keywords for this article

spectral amplitude coding optical code division multiple access (SAC-OCDMA); enhanced double weight (EDW); spectral direct detection (SDD); dispersion compensating fiber (DCF)