Restoration scheme in optical cross add and drop multiplexer (OXADM) device-The transparency test

Mohd Syuhaimi Ab Rahman, Mohd Hazwan Harun

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

In this paper, an optical cross add and drop multiplexer (OXADM) is presented as a new optical device that is highly promising for the application in CWDM metro area networks. Conceptually, OXADM is the hybrid of optical add/drop multiplexing (OADM) and optical cross connect (OXC) between two transmission lines so that wavelength routing operation can be executed. The device is particularly designed having superior features in favor of advancing network efficiency, flexibility and reliability. The incorporation of MEMS optical switches in OXADM is to ensure that the device is reconfigurable. In application, it is possible to fix OXADM in point-to-point, ring or mesh network to provide multi-functions in optical domain such as routing, supervision, transport, multiplexing and restoration of client digital signals. In principle, the wavelengths on each optical trunk can be switched to each other while executing add and drop functions concurrently. In terms of performance, we have analyzed the comparison between OXADM and other conventional technologies such as OXC, TRN and OXN. In our previous report, OXADMs can operate with the maximum length of 71 km at insertion loss 6 dB without regeneration. Besides, it can run performance test at 2.5 Gbps (OC-48) with BER less than 10-9. This paper highlights the effect of the wavelength size on the each node performance while the restoration scheme is activated by means of Transparency Test (TT). The TT is important in observing whether the OXADM switch can function in various range of wavelength in optical communication. In this case, four CWDM wavelengths are injected into OXADM and the profile of output power of each node is compared. The result reveals that OXADM has capability to execute the reliable transparent switching in optical network.

Original languageEnglish
Pages (from-to)165-173
Number of pages9
JournalAustralian Journal of Basic and Applied Sciences
Volume5
Issue number10
Publication statusPublished - Oct 2011

Fingerprint

Transparency
Restoration
Wavelength
Multiplexing
Optical switches
Optical communication
Optical devices
Fiber optic networks
Insertion losses
MEMS
Electric lines
Switches

Keywords

  • Add/drop
  • Cross-connect
  • OXADM
  • Survivability
  • Transparency Test

ASJC Scopus subject areas

  • General

Cite this

Restoration scheme in optical cross add and drop multiplexer (OXADM) device-The transparency test. / Ab Rahman, Mohd Syuhaimi; Harun, Mohd Hazwan.

In: Australian Journal of Basic and Applied Sciences, Vol. 5, No. 10, 10.2011, p. 165-173.

Research output: Contribution to journalArticle

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