High-Speed Wavelength Converter Capable of Converting the Same Wavelength Using a Single SOA in a Counterpropagation Scheme

We present a high-speed optical wavelength converter that is capable of converting the data to the same wavelength using a single semiconductor optical amplifier. Error-free wavelength conversion is demonstrated at a bit-rate of 40 Gb/s. The wavelength converter utilizes a counterpropagation scheme...

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Bibliographic Details
Published in:IEEE photonics technology letters 2009-06, Vol.21 (11), p.697-699
Main Authors: Yong Liu, Yong Liu, Ligong Chen, Ligong Chen, Shangjian Zhang, Shangjian Zhang, Pinxiang Duan, Pinxiang Duan, Zengshou Peng, Zengshou Peng, Yongzhi Liu, Yongzhi Liu
Format: Article
Language:English
Subjects:
All-optical switch
Conversion
Converters
Converting
Filtering
High speed
High speed optical techniques
Optical filters
Optical interferometry
Optical pumping
Optical saturation
Optical wavelength conversion
Photonics
semiconductor optical amplifier (SOA)
Semiconductor optical amplifiers
Stimulated emission
Wavelength conversion
Wavelengths
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Summary:We present a high-speed optical wavelength converter that is capable of converting the data to the same wavelength using a single semiconductor optical amplifier. Error-free wavelength conversion is demonstrated at a bit-rate of 40 Gb/s. The wavelength converter utilizes a counterpropagation scheme assisted by blue-detuned optical filtering technology. The blue-detuned optical filter shortens the recovery time of the wavelength converter, from initial 100 ps down to less than 6 ps, ensuring 40-Gb/s operation. The counterpropagation scheme shows a slow gain saturation time, which becomes a determinant factor for the operating speed of the proposed system. This wavelength converter is constructed by using commercially available fiber pigtailed components. It has a simple configuration and allows photonic integration.
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2009.2016577