Spectral Amplitude-Coding Optical CDMA System Using Mach–Zehnder Interferometers
Resource
JOURNAL OF LIGHTWAVE TECHNOLOGY, VOL. 23, NO. 4, APRIL 2005
Journal
Journal of Lightwave Technology
Journal Volume
VOL. 23
Journal Issue
NO. 4
Pages
-
Date Issued
2000-04
Date
2000-04
Author(s)
DOI
246246/200611150121572
Abstract
In this paper, we propose a family of newly constructed
codes to suppress the phase-induced intensity noise
(PIIN) in spectral amplitude-coding (SAC) optical code division
multiple access (OCDMA) systems. These new codes are derived
from modified prime codes and their cross-correlation is not larger
than one.We also present a novel SAC-OCDMA system employing
the new codes together with Mach–Zehnder interferometers to
eliminate the multi-user interference (MUI). Compared with the
systems employing modified quadratic congruence codes (MQC
codes), numerical results verify that our proposed system can
more effectively suppress the PIIN and eliminate MUI. Hence,
the number of simultaneously users and total transmission rate
increases significantly.
Subjects
Optical code-division multiple access (OCDMA)
spectral amplitude coding (SAC)
modified prime codes
multi-user
interference (MUI)
interference (MUI)
Mach–Zehnder interferometer
Other Subjects
Code division multiple access; Codes (symbols); Interferometers; Optical correlation; Optical systems; Signal encoding; Signal interference; Mach-Zehnder interferometer; Modified prime codes; Multi-use interference; Optical code division multiple access (OCDMA); Spectral amplitude coding (SAC); Total transmission rate; Optical communication
Publisher
Taipei:National Taiwan University Dept Elect Engn
Type
journal article
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