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640 Gbit/s return-to-zero to non-return-to-zero format conversion based on optical linear spectral phase filtering

Reza Maram, Deming Kong, Michael Galili, Leif Katsuo Oxenløwe, and José Azaña

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Abstract

We propose a novel approach for all-optical return-to-zero (RZ) to non-return-to-zero (NRZ) telecommunication data format conversion based on linear spectral phase manipulation of an RZ data signal. The operation principle is numerically analyzed and experimentally validated through successful format conversion of a 640 Gbit/s coherent RZ signal into the equivalent NRZ time-domain data using a simple phase filter implemented by a commercial optical waveshaper.

© 2015 Optical Society of America

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