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Room temperature slow and fast light in quantum-dot semiconductor optical amplifiers
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10.1063/1.2171652
/content/aip/journal/apl/88/6/10.1063/1.2171652
http://aip.metastore.ingenta.com/content/aip/journal/apl/88/6/10.1063/1.2171652
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Experimental setup for the measurement of the population oscillation in a QD SOA. and are optical isolators. PC stands for optical fiber polarization controller. Two lens systems are used to couple the light into and out of the QD SOA waveguide. is an optical circulator functioning as an isolator for the pump source and a transmission port for the probe as well. NA is a network analyzer providing rf modulation to the probe beam and measuring the transmission and phase shift of the rf signal.

Image of FIG. 2.
FIG. 2.

(a) Transmission and (b) phase delay of the rf modulated probe under different optical pumps with the bias current of the QD SOA fixed at 300 mA. The gray lines are the experimental data while the black ones the theoretical results based on Eq. (4) and (5).

Image of FIG. 3.
FIG. 3.

Peak group-index change, its bandwidth, and effective background group-index change of the QD SOA with different optical pump intensities at a fixed current injection of 300 mA.

Image of FIG. 4.
FIG. 4.

(a) Phase delay of the rf modulated probe under different current injection with a fixed optical pump power. The gray lines are the experimental data while the black ones the theoretical results based on Eq. (3). (b) Peak group-index change, its bandwidth, and effective background group-index change of the QD SOA under different injection currents with a constant optical pump power.

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/content/aip/journal/apl/88/6/10.1063/1.2171652
2006-02-06
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Room temperature slow and fast light in quantum-dot semiconductor optical amplifiers
http://aip.metastore.ingenta.com/content/aip/journal/apl/88/6/10.1063/1.2171652
10.1063/1.2171652
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