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Double-active-layer index-guided InGaAsP-InP laser diode

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4 Author(s)
Kajanto, M. ; Dept. of Appl. Phys., California Inst. of Technol., Pasadena, CA, USA ; Chen, T.R. ; Zhuang, Y.H. ; Yariv, A.

A buried crescent InGaAsP-InP laser with two active layers was fabricated to study the temperature behavior of the double-carrier-confinement structure. An anomalously high characteristic temperature T0 was measured, and optical switching behavior was observed. A mode analysis and numerical calculation using a rate equation approach explained qualitatively very well the experimental results. It was revealed that both the Auger recombination in this special double-active-layer configuration and the temperature-dependent leakage current, which leads to uniform carrier distribution in both active regions, are essential to increase T0

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Quantum Electronics, IEEE Journal of  (Volume:26 ,  Issue: 11 )