Multiple-wavelength lasers defined by stripe width using one-step impurity-free quantum well intermixing technique

Won Jun Choi; Erik J. Skogen; Jin K. Kim; Ryan L. Naone; Larry A. Coldren

doi:10.1117/12.344523

1 April 1999 Multiple-wavelength lasers defined by stripe width using one-step impurity-free quantum well intermixing technique

Won Jun Choi, Erik J. Skogen, Jin K. Kim, Ryan L. Naone, Larry A. Coldren

Author Affiliations +

Proceedings Volume 3628, In-Plane Semiconductor Lasers III; (1999) https://doi.org/10.1117/12.344523
Event: Optoelectronics '99 - Integrated Optoelectronic Devices, 1999, San Jose, CA, United States

Abstract

Impurity free intermixing of In_0.22Ga_0.78As/GaAs quantum wells in a semiconductor laser has been carried out by rapid thermal annealing various width ridges capped with SiN_x film. We have observed greater blue-shifting of the lasing wavelength for wider ridge lasers, caused by greater degree of quantum well intermixing. This dependence of quantum well intermixing on the ridge width has been explained by the redistribution of stress fields created by the SiN_x capping film on the patterned structure.

Citation Download Citation

Won Jun Choi, Erik J. Skogen, Jin K. Kim, Ryan L. Naone, and Larry A. Coldren "Multiple-wavelength lasers defined by stripe width using one-step impurity-free quantum well intermixing technique", Proc. SPIE 3628, In-Plane Semiconductor Lasers III, (1 April 1999); https://doi.org/10.1117/12.344523

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