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Ultrafast gain and refractive index dynamics in GaInNAsSb semiconductor optical amplifiers
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10.1063/1.3246781
/content/aip/journal/jap/106/8/10.1063/1.3246781
http://aip.metastore.ingenta.com/content/aip/journal/jap/106/8/10.1063/1.3246781
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) ASE as different current levels in the pulsed regime measured at room temperature. (b) Peak emission (ASE) as a function of current in both continuous wave and pulsed regimes.

Image of FIG. 2.
FIG. 2.

(a) Gain recovery dynamics as a function of time in the gain and absorption regimes for currents varying from . (b) Corresponding phase recovery dynamics for same conditions. SOA transparency occurs at .

Image of FIG. 3.
FIG. 3.

Bias dependence of the long timescale of the gain recovery (blue) and the absolute amplitude (red) of the long timescale component as a function of current for the gain dynamics.

Image of FIG. 4.
FIG. 4.

Bias dependence of the long recovery timescale of the phase (blue) and bias dependence of the absolute amplitude of the long time component of the phase (red).

Image of FIG. 5.
FIG. 5.

Dynamical alpha factor at different bias levels. Note its decrease above transparency .

Image of FIG. 6.
FIG. 6.

(a) Gain recovery dynamics in reverse bias regime. (b) Long time component recovery times as a function of reverse bias voltage.

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/content/aip/journal/jap/106/8/10.1063/1.3246781
2009-10-22
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Ultrafast gain and refractive index dynamics in GaInNAsSb semiconductor optical amplifiers
http://aip.metastore.ingenta.com/content/aip/journal/jap/106/8/10.1063/1.3246781
10.1063/1.3246781
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