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Optical Engineering

Novel ultrafast all-optical nonreturn-to-zero to return-to-zero format converter based on Sagnac interferometric structure
Author(s): Zhixin Chen
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Paper Abstract

Based on the Sagnac interferometric structure, a simple novel ultrafast scheme of an all-optical nonreturn-to-zero (NRZ) to return-to-zero (RZ) is proposed. The operations of this scheme at 40 Gbit/s 27-1 PRBS sequences are simulated correctly with an output extinction ratio of more than 19.1 dB. Through a built theoretical model and numerical analysis, the operating characteristics of the scheme are illustrated. Furthermore, the carrier recovery time of the semiconductor optical amplifier (SOA) is no longer a crucial parameter to restrict the operation speed of this scheme. This scheme is potentially capable of all-optical NRZ-to-RZ format converter operation speeds to 80 Gbit/s thus far.

Paper Details

Date Published: 1 July 2008
PDF: 5 pages
Opt. Eng. 47(7) 075008 doi: 10.1117/1.2957044
Published in: Optical Engineering Volume 47, Issue 7
Show Author Affiliations
Zhixin Chen, Central Univ. of Finance and Economics (China)

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