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Optica Publishing Group
  • Journal of Lightwave Technology
  • Vol. 17,
  • Issue 4,
  • pp. 647-
  • (1999)

Low-Threshold Nine-Channel Waveguide Grating Router-Based Continuous Wave Transmitter

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Abstract

This paper demonstrates a nine-channel waveguide grating router-based laser with low (18-22 mA) thresholds, which we believe to be a record for a monolithically integrated multiwavelength laser with a 1.1-cm long cavity and a single nondistributed amplifier. This result was achieved through a combination of techniques including reduced intracavity loss, improved router design and optimal active/passive transitions.

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