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Time domain add-drop multiplexing scheme enhanced using a saw-tooth pulse shaper

By F. Parmigiani, P. Petropoulos, M. Ibsen, P.J. Almeida, T.T. Ng and D.J. Richardson

Abstract

We experimentally demonstrate the use of saw-tooth optical pulses, which are shaped using a fiber Bragg grating, to achieve robust and high performance time-domain add-drop multiplexing in a scheme based on cross-phase (XPM) modulation in an optical fiber, with subsequent offset filtering. As compared to the use of more conventional pulse shapes, such as Gaussian pulses of a similar pulse width, the purpose-shaped saw-tooth pulses allow higher extinction ratios for the add and drop windows and significant improvements in the receiver sensitivity for the dropped and added channels

Topics: TK, QC
Year: 2009
OAI identifier: oai:eprints.soton.ac.uk:163639
Provided by: e-Prints Soton

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