Abstract
We present an all-optical WDM-to-TDM conversion scheme with simultaneous all-optical synchronization that can be utilized in switching nodes of very high-speed WDM/OTDM hybrid communication systems. The scheme, which utilizes a nonlinear optical loop mirror in conjunction with a synchronously modelocked semiconductor laser, is experimentally demonstrated by WDM-to-TDM conversion of two optical channels in a switching node. The optical time division multiplexed output has a potential total throughput of ≈40 Gb/s. This all-optical scheme removes limitations of restricted bandwidth of electronics at switching nodes and also has advantages over existing optical time division multiplexing schemes.
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Attygalle, M., Liu, H. & Nirmalathas, A. An all-optical WDM-to-TDM conversion scheme with simultaneous all-optical synchronization for WDM/OTDM network nodes. Optical and Quantum Electronics 33, 827–840 (2001). https://doi.org/10.1023/A:1017556424106
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DOI: https://doi.org/10.1023/A:1017556424106