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All-Optical QPSK Signal Regeneration Based on XPM in Semiconductor Optical Amplifier

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A scheme of all-optical QPSK signal regeneration is proposed which based on XPM in SOA with subsequent an optical filter. A power penalty 2.3dB is improved after QPSK regeneration with the receiver sensitivity of −30.7dBm.

© 2012 Optical Society of America

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