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

Lei Xu; Bing C. Wang; Varghese Baby; Ivan Glesk; Paul R. Prucnal

doi:10.1109/LPT.2002.806105

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

Lei Xu, Bing C. Wang, Varghese Baby, Ivan Glesk, Paul R. Prucnal

Electronic And Electrical Engineering

Research output: Contribution to journal › Article › peer-review

145 Citations (Scopus)

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.

Original language	English
Pages (from-to)	308-310
Number of pages	3
Journal	IEEE Photonics Technology Letters
Volume	15
Issue number	2
Early online date	29 Jan 2003
DOIs	https://doi.org/10.1109/LPT.2002.806105
Publication status	Published - Feb 2003

Keywords

Mach-Zehnder interferometers
optical pulse compression
optical fibre networks
optical wavelength conversion
optical amplifiers
semiconductors

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10.1109/LPT.2002.806105

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

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.",

keywords = "Mach-Zehnder interferometers, optical pulse compression, optical fibre networks, optical wavelength conversion , optical amplifiers , semiconductors",

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AU - Xu, Lei

AU - Wang, Bing C.

AU - Baby, Varghese

AU - Glesk, Ivan

AU - Prucnal, Paul R.

PY - 2003/2

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N2 - 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.

AB - 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.

KW - Mach-Zehnder interferometers

KW - optical pulse compression

KW - optical fibre networks

KW - optical wavelength conversion

KW - optical amplifiers

KW - semiconductors

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

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