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Optical Engineering • Open Access

All-optical nonreturn-to-zero to return-to-zero format conversion with wavelength conversion using an electroabsorption modulator
Author(s): Zhixin Chen; Jian Wu; Kun Xu; Jintong Lin

Paper Abstract

Simultaneous all-optical nonreturn-to-zero (NRZ) to return-to-zero (RZ) format conversion and wavelength conversion in an electroabsorption modulator (EAM) based on cross-absorption modulation (XAM) at 10 Gbit/s is demonstrated. The impact of the bias voltage of EAM and the input NRZ data signal power on the performance of converted RZ signals is studied. The maximum extinction ratio (ER) of converted RZ signals is about 12.08 dB. By tuning the wavelength of input NRZ signals from 1550 to 1570 nm, negative power penalty with a range of -0.9 to -0.2 dB is observed for converted RZ signals. Thus, error-free all-optical simultaneous format and wavelength conversion using EAM is reported, in a setup that has not been demonstrated in the past.

Paper Details

Date Published: 1 August 2007
PDF: 3 pages
Opt. Eng. 46(8) 080502 doi: 10.1117/1.2766938
Published in: Optical Engineering Volume 46, Issue 8
Show Author Affiliations
Zhixin Chen, Beijing Univ. of Posts and Telecommunications (China)
Jian Wu, Beijing Univ. of Posts and Telecommunications (China)
Kun Xu, Beijing Univ. of Posts and Telecommunications (China)
Jintong Lin, Beijing Univ. of Posts and Telecommunications (China)


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