Operating characteristics of InGaAsP/GaAs SCH SQW high-power lasers by LPE

Xin Gao; Baoxue Bo; Yi Qu; Baoshun Zhang; Yuxia Wang; Ling Wang; Lixia Yang; Xiaowei Song; Xingde Zhang

doi:10.1117/12.319600

19 August 1998 Operating characteristics of InGaAsP/GaAs SCH SQW high-power lasers by LPE

Xin Gao, Baoxue Bo, Yi Qu, Baoshun Zhang, Yuxia Wang, Ling Wang, Lixia Yang, Xiaowei Song, Xingde Zhang

Proceedings Volume 3547, Semiconductor Lasers III; (1998) https://doi.org/10.1117/12.319600
Event: Photonics China '98, 1998, Beijing, China

Abstract

A detailed operating characteristics of InGaAsP/GaAs separate confinement heterostructure single-quantum-well wide-stripe lasers emitting at 808 nm grown by liquid phase epitaxy is reported. The temperature dependences of the lasing wavelength (lambda) , the threshold current density J_th and differential quantum efficiency (eta) _d are studied. The effects of the cavity length L on the threshold current density J_th and the differential quantum efficiency (eta) _d are studied. The threshold current density J_th increases with increasing temperature T. But the increase of J_th with temperature T is slightly deviated from the exponential dependence. The data fitting of J_th with between 10 degree(s)C and 40 degree(s)C demonstrates a record characteristic temperature T₀ of 218 K, indicating a minor influence of temperature on J_th.

Citation Download Citation

Xin Gao, Baoxue Bo, Yi Qu, Baoshun Zhang, Yuxia Wang, Ling Wang, Lixia Yang, Xiaowei Song, and Xingde Zhang "Operating characteristics of InGaAsP/GaAs SCH SQW high-power lasers by LPE", Proc. SPIE 3547, Semiconductor Lasers III, (19 August 1998); https://doi.org/10.1117/12.319600

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