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Stable mode locking via ground- or excited-state transitions in a two-section quantum-dot laser
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10.1063/1.2338767
/content/aip/journal/apl/89/8/10.1063/1.2338767
http://aip.metastore.ingenta.com/content/aip/journal/apl/89/8/10.1063/1.2338767
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color online) Light-current characteristics of the two-section device, at constant reverse bias, for increasing (solid) and decreasing (dashed) currents. Operating points (a) and (b) correspond to stable mode-locked operation via GS, whereas point (c) corresponds to unstable mode locking via ES. The optical and rf spectra for these points are shown in Figs. 3 and 4.

Image of FIG. 2.
FIG. 2.

(Color online) Output power from the two-section device at constant current, for increasing (solid) and decreasing (dashed) reverse bias. Operating points (c) and (d) correspond to unstable and stable mode-locked operations via ES, respectively. The optical and RF spectra for these points are shown in Figs. 3 and 4.

Image of FIG. 3.
FIG. 3.

(Color online) Optical spectra corresponding to the mode-locked operations in the ground state [(a) and (b)] and excited state [(c) and (d)]. The bias conditions are detailed in Figs. 1 and 2.

Image of FIG. 4.
FIG. 4.

(Color online) rf spectra corresponding to mode-locked operations in the ground state [(a) and (b)] and excited state [(c) and (d)]. The bias conditions are detailed in Figs. 1 and 2.

Image of FIG. 5.
FIG. 5.

(Color online) Background-free autocorrelation of the mode-locked output via excited-state operation, corresponding to operating point (d) in Figs. 2–4 (inset is the corresponding spectral profile). The autocorrelation trace was best fitted to a Gaussian function.

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/content/aip/journal/apl/89/8/10.1063/1.2338767
2006-08-25
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Stable mode locking via ground- or excited-state transitions in a two-section quantum-dot laser
http://aip.metastore.ingenta.com/content/aip/journal/apl/89/8/10.1063/1.2338767
10.1063/1.2338767
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