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Optica Publishing Group
  • Conference on Optical Fiber Communication/International Conference on Integrated Optics and Optical Fiber Communication
  • 1993 OSA Technical Digest Series (Optica Publishing Group, 1993),
  • paper TuN1
  • https://doi.org/10.1364/OFC.1993.TuN1

Advanced FDM systems technologies

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Abstract

Frequency-division multiplexing (FDM) and frequency reuse (FR) technologies provide the means for realizing large-size high-bit-rate optical networks. New optical components have been recently developed for realizing this possibility. One of these components is a fast tunable laser1 using a single tuning current to access a set of equally spaced frequencies. In addition, the laser can be randomly switched among these frequencies in a few nanoseconds. Figure 1 shows the tuning curve of such a laser. As important, the same combination of frequencies can be obtained from a large number of identical lasers fabricated simultaneously. This greatly simplifies the implementation of FDM networks based on tunable transmitters and frequency routing.2

© 1993 Optical Society of America

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