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11.5-W CW 1.83-μm diode laser array

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7 Author(s)
Maiorov, M. ; Sensors Unlimited Inc., Princeton, NJ, USA ; Menna, R. ; Khalfin, V. ; Milgazo, H.
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We demonstrate high-power operation of both individual broad-waveguide separate-confinement-heterostructure quantum-well InGaAsP-InP laser diodes and 1-cm-wide arrays emitting at 1.83 μm. Despite strong dependence of threshold current density and diode efficiency on operating temperature, a continuous-wave output power of 2.1 W has been obtained for 100-μm-aperture lasers with 2-mm-long cavities. An output power of 11.5 W was reached for ten element 1-cm-wide array at a heatsink temperature of 16/spl deg/C.

Published in:

Photonics Technology Letters, IEEE  (Volume:11 ,  Issue: 8 )