All-optical data format conversion between RZ and NRZ based on a Mach-Zehnder interferometric wavelength converter

Tools

Xu, Lei and Wang, Bing C. and Baby, Varghese and Glesk, Ivan and Prucnal, Paul R. (2003) All-optical data format conversion between RZ and NRZ based on a Mach-Zehnder interferometric wavelength converter. IEEE Photonics Technology Letters, 15 (2). pp. 308-310. ISSN 1041-1135 (https://doi.org/10.1109/LPT.2002.806105)

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Abstract

We demonstrate all-optical conversion between two different data formats: return-to-zero (RZ) and nonreturn-to-zero (NRZ) using a Mach-Zehnder interferometric wavelength converter. For RZ-to-NRZ conversion, a duplication scheme is demonstrated to reduce the ripples caused by the carrier recovery of the semiconductor optical amplifier. The relationship between the ripple-to-signal ratio and the number of pulse duplications is numerically analyzed. For the NRZ-to-RZ conversion, the wavelength converter also shows high performance. The converted RZ signal has a negative power penalty to the NRZ signal due to the change of the data format.

ORCID iDs

Xu, Lei, Wang, Bing C., Baby, Varghese, Glesk, Ivan ORCID logoORCID: https://orcid.org/0000-0002-3176-8069 and Prucnal, Paul R.;
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