Multilevel Transmission System Using Multiple LDs and Block Receiving Technique

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Executive Summary

The authors propose an inexpensive multilevel transmission system that uses several Laser Diodes (LDs) of different wavelengths and receives each stream as a block. To compensate for the skew induced by Group Velocity Dispersion (GVD), they propose a dynamic skew compensation method and fabricate a prototype LSI. Experiments show that 5 Gbps transmission can be achieved in a NetWork (NW) with a loss budget only 0.73 dB lower than that of a 2.5 Gbps binary transmission.

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