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FM response of narrow-linewidth, multielectrode lambda /4 shift DFB laser

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7 Author(s)
S. Ogita ; Fujitsu Lab. Ltd., Atsugi, Japan ; Y. Kotaki ; M. Matsuda ; Y. Kuwahara
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Flat FM response from 100 kHz to 15 GHz was achieved in a multielectrode distributed-feedback (DFB) laser. A lambda /4-shifted corrugation and a 1200- mu m-long cavity were very effective not only in reducing the linewidth to less than 1 MHz, but also in making FM response flat by selective current injection.<>

Published in:

IEEE Photonics Technology Letters  (Volume:2 ,  Issue: 3 )