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Investigation of imperfect control pulse effect on performance of the all-optical pulse-position-modulation routing scheme

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3 Author(s)
Hoa Le Minh ; Sch. of Comput., Eng. & Inf. Sci., Northumbria Univ., Newcastle upon Tyne, UK ; Ghassemlooy, Z. ; Ng, W.P.

Control pulse impairments including imperfect misalignment and address matching false alarm would deteriorate the performance of the all-optical routing and switching. In this paper we evaluate these effects on the performance of an all-optical pulse-position-modulation router. The VPI™ simulation results indicate that the misalignment of control pulse and data signal would reduce several dB in switching gain of the all-optical AND gate that reduces the reliability of the system. In addition a minimum switching contrast ratio of +17.5 dB at the pulse-position-modulation header processing module is required to ensure false-alarm free in matching the packet address with the routing table entries.

Published in:

Transparent Optical Networks (ICTON), 2011 13th International Conference on

Date of Conference:

26-30 June 2011