Toshio Kimura, Naoki Tsukiji, Junji Yoshida, Naoki Kimura, Takeshi Aikiyo, Tetsuro Ijichi, Yoshikazu Ikegami
Abstract
1480-nm laser diode modules for pumping optical amplifiers have been developed to realize an optical fiber output of 250 mW at a case temperature of 70°C by optimizing the laser diode chip and by reviewing the thermal design of the module.