New laser sources for plastic optical fibers: ZnSe-based quantum well and quantum dot laser diodes with 560-nm emission

Matthias Klude; Thorsten Passow; Gabriela Alexe; Heidrun Heinke; Detlef Hommel

doi:10.1117/12.446585

29 October 2001 New laser sources for plastic optical fibers: ZnSe-based quantum well and quantum dot laser diodes with 560-nm emission

Matthias Klude, Thorsten Passow, Gabriela Alexe, Heidrun Heinke, Detlef Hommel

Author Affiliations +

Proceedings Volume 4594, Design, Fabrication, and Characterization of Photonic Devices II; (2001) https://doi.org/10.1117/12.446585
Event: International Symposium on Photonics and Applications, 2001, Singapore, Singapore

Abstract

The optimization of the active region of ZnSe-based laser diodes for laser emission around a wavelength of 560 nm is reported. Two concepts are presented: quaternary CdZnSSe quantum wells with a high Cd content and CdSe quantum dots. With quantum well devices output powers of more than 1 W are realized. The first electrically pumped CdSe quantum dot laser is presented. The electroluminescence dynamics under current injection of these devices allow lasing operation only in pulsed-mode with pulse widths around 50 ns. Although the threshold current density of the quantum dot laser is around 7 kA/cm(superscript 2, lasing operation can be sustained up to 20 kA/cm(superscript 2 indicating a so far unexpected stability of II-VI material against current injection.

Citation Download Citation

Matthias Klude, Thorsten Passow, Gabriela Alexe, Heidrun Heinke, and Detlef Hommel "New laser sources for plastic optical fibers: ZnSe-based quantum well and quantum dot laser diodes with 560-nm emission", Proc. SPIE 4594, Design, Fabrication, and Characterization of Photonic Devices II, (29 October 2001); https://doi.org/10.1117/12.446585

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