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Single frequency and tunable laser diodes

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2 Author(s)
K. Kobayashi ; NEC Corp., Kanagawa, Japan ; I. Mito

The state-of-the-art technologies for single-frequency and frequency-tunable laser diodes are reviewed. Spectral linewidth characteristics for distributed-feedback laser diodes are discussed, based on experimentally observed discrepancies from the theory and improvements obtained with quantum-well active regions. Frequency-tunable mechanisms are reviewed mainly for monolithic tunable laser diodes with distributed-Bragg-reflector (DBR) or distributed-feedback configurations

Published in:

Journal of Lightwave Technology  (Volume:6 ,  Issue: 11 )