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Performance-improved all-optical RZ to NRZ format conversion using duplicator and wavelength converter

Glesk, I. (2002) Performance-improved all-optical RZ to NRZ format conversion using duplicator and wavelength converter. IEEE Photonics Technology Letters, 15 (2). pp. 308-310. ISSN 1041-1135

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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.

Item type: Article
ID code: 37223
Keywords: NRZ format conversion , wavelength converter , all-optical RZ , all-optical, Electrical engineering. Electronics Nuclear engineering
Subjects: Technology > Electrical engineering. Electronics Nuclear engineering
Department: Faculty of Engineering > Electronic and Electrical Engineering
Related URLs:
    Depositing user: Pure Administrator
    Date Deposited: 31 Jan 2012 12:42
    Last modified: 12 Mar 2012 11:45
    URI: http://strathprints.strath.ac.uk/id/eprint/37223

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