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High-power CW-DFB laser diode modules for CATV applications operating at 1550 nm

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6 Author(s)
K. Takaki ; Yokohama R&D Labs., Furukawa Electr. Co. Ltd., Yokohama, Japan ; T. Kise ; K. Maruyama ; N. Yamanaka
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Investigation of the correlation between longitudinal photon density distribution and spectral linewidth re-broadening, in conjunction with carefully designed coupling optics, enable laser modules that simultaneously achieve very high fibre-coupled power of 175 mW and very narrow linewidth<1 MHz even at ∼120 mW of output power to be successfully fabricated.

Published in:

Electronics Letters  (Volume:38 ,  Issue: 23 )