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Amplification of optical pulse sequences at a high repetition rate in a polymer slab waveguide
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10.1063/1.2753542
/content/aip/journal/apl/91/1/10.1063/1.2753542
http://aip.metastore.ingenta.com/content/aip/journal/apl/91/1/10.1063/1.2753542
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color online) (a) Schematic of the setup. (b) Schematic of polymer amplifier. (c) Absorbance (solid symbols), photoluminescence (open symbols), amplified spontaneous emission (dot-dash line) spectra of F8BT, and signal spectra (line). Arrow shows the position of the pump pulse.

Image of FIG. 2.
FIG. 2.

Streak camera traces of amplified (dash line) and nonamplified pulses (solid line). The pump energy density is and the signal energy was in a waveguide length of .

Image of FIG. 3.
FIG. 3.

Gain dependence on pump energy density for signal pulses delayed by 10, 70, and with respect to the pump pulse on two waveguide lengths of 1022 and .

Image of FIG. 4.
FIG. 4.

Gain dependence on signal energy for signal pulses delayed by 10, 70, and with respect to the pump pulse in a long waveguide (symbols) and the theoretical fit (dash lines). The pump energy density was kept constant at . Signal energy was calculated from input pulse energy taking into account a 20% light coupling efficiency into waveguide which corresponds to the value just after the input grating.

Image of FIG. 5.
FIG. 5.

Gain obtained for signal pulses at different time delays for a waveguide length of . The symbols show time dependence for three signal pulses. Pump energy densities are 2.6 (open symbols) and (solid symbols) using a signal energy of . The solid line shows the time dependence for a single signal pulse with a pump energy density of , measured using a lock-in detection for which a higher signal energy had to be used , which resulted in a lower gain. The dotted lines are a guide for the eye.

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/content/aip/journal/apl/91/1/10.1063/1.2753542
2007-07-02
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Amplification of optical pulse sequences at a high repetition rate in a polymer slab waveguide
http://aip.metastore.ingenta.com/content/aip/journal/apl/91/1/10.1063/1.2753542
10.1063/1.2753542
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