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11.5-W CW 1.83-�m diode laser array

By: Khalfin, V.; Menna, R.; Maiorov, M.; Connolly, J.; Garbuzov, D.; Matarese, R.; Milgazo, H.;

1999 / IEEE


This item was taken from the IEEE Periodical ' 11.5-W CW 1.83-�m diode laser array ' 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 /spl mu/m. 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-/spl mu/m-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.