The effect of signal repetition rate, injected current and switching window on cross-phase modulation in SOA-NOLM

The cross phase modulation (XPM) has an important impact on today's high speed dense wavelength division multiplexing optical fiber communication systems. In order to obtain high conversion speed and strong non-linearity, semiconductor optical amplifier nonlinear optical loop mirror (SOA-NOLM)...

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Bibliographic Details
Main Authors: Rostam, R., Wahid, M. H. A., Rais, S. A. A., Faridus, M. F.
Format: Conference Proceeding
Language:English
Subjects:
Modulation
Nonlinear optics
Optical fibers
Optical pulses
Optical switches
Semiconductor optical amplifiers
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Summary:The cross phase modulation (XPM) has an important impact on today's high speed dense wavelength division multiplexing optical fiber communication systems. In order to obtain high conversion speed and strong non-linearity, semiconductor optical amplifier nonlinear optical loop mirror (SOA-NOLM) is operated with large bias current and high optical powers. In this paper, an investigation of XPM on the SOA-NOLM with reference to variable SOA's currents, speed and switching window is presented. Furthermore, signal induced phase shift dependence on bias current of the SOA and optimized loop parameters are also included.
DOI:10.1109/RSM.2011.6088363