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Offset RZ Pulse Shape for 128 Gb/s PDM-QPSK Subject to Aggressive Filtering

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Abstract

A filtering-tolerant, offset RZ pulse shape for 128Gb/s PDM-QPSK was proposed for the first time. On a 25GHz grid, 0.8 and 0.2dB OSNR penalties at SD pre-FEC BER limit were experimentally and numerically demonstrated, respectively.

© 2012 Optical Society of America

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