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High output-power and narrow spectral-linewidth operation of a 1.3-μm gain-coupled DFB laser with InAsP buried absorptive grating

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5 Author(s)
Y. Inaba ; Electron. Res. Lab., Matsushita Electron. Corp., Osaka, Japan ; M. Kito ; J. Ohya ; R. Ishino
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High output-power and narrow spectral-linewidth operation of 1.3-μm gain-coupled distributed feedback lasers with grating are reported. The fabricated output power of 230 mW and a linewidth of 100 kHz by reducing optical confinement in multiple quantum wells to improve the single-mode stability at high output-power operation.

Published in:

IEEE Photonics Technology Letters  (Volume:10 ,  Issue: 9 )