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Five-wavelength integrated DFB laser arrays with quarter-wave-shifted structures

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5 Author(s)
Okuda, H. ; Toshiba Corporation, Kawasaki, Japan ; Hirayama, Y. ; Furuyama, H. ; Kinoshita, J.
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Five-wavelength integrated DFB laser arrays with quarter-wave-shifted structures, using nonuniform stripe width, have been developed for high-density WDM systems around the 1.3 μm wavelength region for the first time. Each DFB laser of the five-wavelength integrated DFB laser array oscillated at the Bragg wavelength with a side mode suppression ratio of more than 30 dB. Good reproducibility of 50 ± 5 A lasing wavelength separations has been obtained.

Published in:

Quantum Electronics, IEEE Journal of  (Volume:23 ,  Issue: 6 )

Date of Publication:

Jun 1987

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