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High output power single longitudinal mode graded index separate confinement multiple quantum well InGaAs/InP distributed feedback (GRIN SCH MQW DFB) lasers

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6 Author(s)
T. Tanbun-ek ; AT&T Bell Labs., Murray Hill, NJ, USA ; R. A. Logan ; H. Temkin ; N. A. Olsson
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A high continuous-wave (CW) output and high quantum efficiency of 1.5 mu m-wavelength InGaAs/InP graded-index separate-confinement multiple-quantum-well DFB lasers were demonstrated. A threshold current of 45 mA with a maximum output power close to 100 mW and a quantum efficiency of 0.33 mW/mA was obtained. Single-frequency light output with power as high as 16 dBm (40 mW) was launched into a single-mode fiber.<>

Published in:

IEEE Photonics Technology Letters  (Volume:2 ,  Issue: 7 )