Abstract
During the last years we have pioneered three new concepts for 2R optical regeneration. Two of these concepts, an active 2×2 multi mode interference (MMI) coupler and a Mach Zehnder interferometer with a regular semiconductor optical amplifier in one arm and an active 1×1 MMI in the other arm, have been fabricated as photonic integrated circuits. A third regenerator, a Mach-Zehnder interferometer with Gain-Clamped Semiconductor Optical Amplifiers (GCSOA’s) in both arms, can in principle also be fabricated as a photonic integrated circuit, but has been implemented using a fiber interferometer and commercial GCSOA’s. An extinction ratio improvement of around 15 dB as well as noise reduction has been demonstrated with all 3 concepts. In addition, one of the concepts has been demonstrated at 10 Gb/s.
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De Merlier, J., Zhao, M., Morthier, G., Baets, R. (2003). Some New Concepts for All-Optical 2R Regeneration Using InP-Based Photonic Integrated Circuits. In: Bianco, A., Neri, F. (eds) Next Generation Optical Network Design and Modelling. ONDM 2002. IFIP Advances in Information and Communication Technology, vol 114. Springer, New York, NY. https://doi.org/10.1007/978-0-387-35670-9_29
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DOI: https://doi.org/10.1007/978-0-387-35670-9_29
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