1.55-um laser diodes with leaky waveguide structure

Jingchang Zhong; Yingjie Zhao; Ronghui Li

doi:10.1117/12.293482

14 November 1997 1.55-μm laser diodes with leaky waveguide structure

Jingchang Zhong, Yingjie Zhao, Ronghui Li

Proceedings Volume 3241, Smart Materials, Structures, and Integrated Systems; (1997) https://doi.org/10.1117/12.293482
Event: Far East and Pacific Rim Symposium on Smart Materials, Structures, and MEMS, 1997, Adelaide, Australia

Abstract

We have satisfactorily designed and prepared a gain-guided high-power 1.55 micrometer leaky waveguide semiconductor laser structure on the basis of considering the laser loss mechanisms such as auger electron recombination, carrier leakage over the heterobarrier, inter-valence-band absorption, etc. It was grown by a unique liquid phase epitaxy (LPE) and was modified by growing an intrinsic InGaAsP waveguiding layer between the active layer and lower confinement layer and provided a higher temperature stability than that of conventional lasers. Using the leaky waveguide structure, we have obtained 1.55 micrometer laser diodes with threshold currents comparable to common lasers (J_the less than or equal to 2.5 KA/cm²) but with the characteristic temperature T_O near to those of GaAs-AlGaAs lasers (142 K). Especially, we have obtained the peak output power up to higher than 2 W per facet in pulsed operation at room temperature.

Citation Download Citation

Jingchang Zhong, Yingjie Zhao, and Ronghui Li "1.55-μm laser diodes with leaky waveguide structure", Proc. SPIE 3241, Smart Materials, Structures, and Integrated Systems, (14 November 1997); https://doi.org/10.1117/12.293482

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