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Optical feedback instabilities in a monolithic InAs/GaAs quantum dot passively mode-locked laser
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10.1063/1.3114409
/content/aip/journal/apl/94/15/10.1063/1.3114409
http://aip.metastore.ingenta.com/content/aip/journal/apl/94/15/10.1063/1.3114409
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Light current characteristics measured at room temperature for different conditions: SA voltage source is left floating (black) and for SA reverse voltages of 0 V (gray), 1 V (red), and 2 V (blue). The figure in inset shows the threshold current as a function of the SA reverse voltage.

Image of FIG. 2.
FIG. 2.

An operational map for combinations of the gain current and the SA reverse voltage. The ML condition is represented through the red dashed area. Subthreshold and cw regions are visible in between (a) without external optical feedback and (b) under maximum optical feedback .

Image of FIG. 3.
FIG. 3.

rf electrical spectrum recorded for different configurations. (a) rf spectrum without optical feedback when a 0 V SA reverse voltage is considered and is applied to the gain section. Full span rf spectrum of the ML regime is shown in the inset and exhibits the peaks at the fundamental frequency and at the harmonic component. (b) rf spectrum under the same bias conditions as (a) but under the maximum optical feedback rate . (c) rf spectrum with minimum optical feedback when a 1 V SA reverse voltage is considered and is applied to the gain section. (d) rf spectrum under the same bias conditions as (c) but under the maximum optical feedback rate . (e) rf spectrum with minimum optical feedback when a 1.2 V SA reverse voltage is considered and is applied to the gain section. (f) rf spectrum under the same bias conditions as (e) but under the maximum optical feedback rate .

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/content/aip/journal/apl/94/15/10.1063/1.3114409
2009-04-16
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Optical feedback instabilities in a monolithic InAs/GaAs quantum dot passively mode-locked laser
http://aip.metastore.ingenta.com/content/aip/journal/apl/94/15/10.1063/1.3114409
10.1063/1.3114409
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