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64°C continuous-wave operation of 1.5-μm vertical-cavity laser

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8 Author(s)
N. M. Margalit ; Dept. of Electr. & Comput. Eng., California Univ., Santa Barbara, CA ; J. Piprek ; S. Zhang ; D. I. Babic
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We report on 64°C continuous-wave (CW) operation of a 1.5-μm vertical-cavity laser. This laser consists of two fused AlGaAs-GaAs mirrors with a strain-compensated InGaAsP-InP MQW active region. Selective lateral oxidation is used for current confinement. Minimum room-temperature threshold current is as low as 0.8 mA, and maximum CW output power is as high as 1 mW at 15°C. Pulsed operation is achieved up to 100°C. Current spreading losses and device heating are analyzed in detail. Dynamic parameters such as maximum 3-dB parameters such as maximum, 3-dB bandwidth (4.7 GHz), alpha factor (4.0), and linewidth (39 MHz) are also investigated

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IEEE Journal of Selected Topics in Quantum Electronics  (Volume:3 ,  Issue: 2 )