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Highly efficient optical pumping of photonic crystal nanocavity lasers using cavity resonant excitation
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10.1063/1.2369543
/content/aip/journal/apl/89/16/10.1063/1.2369543
http://aip.metastore.ingenta.com/content/aip/journal/apl/89/16/10.1063/1.2369543
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) Lasing spectra of PhC nanocavities with different periods measured at with pulsed excitation. The peak at is the PL from the excitonic state of the QW. (b) plot of the PhC nanocavity laser with lasing at . The inset is the scanning electron microscope of the top view of the PhC.

Image of FIG. 2.
FIG. 2.

(a) PL spectrum of the PhC nanocavity with cw excitation at . The small peak at is the photon emission at the lowest-order cavity mode. (b) PLE signal intensity measured at the lowest-order cavity mode. The PLE peak observed at indicates the existence of a higher-order cavity mode.

Image of FIG. 3.
FIG. 3.

(a) plots of the PhC nanocavity laser measured at with different central excitation wavelengths of (nonresonant excitation) and (resonant excitation) at . (b) The values of the laser threshold (black circle) and slope efficiency (square) measured at various excitation wavelengths. The white circles indicate the estimated laser threshold at cw excitation obtained by the deconvolution of the spectrally broad femtosecond pump pulse and cavity mode. (c) The products of the values of experimental laser threshold and slope efficiency at various excitation wavelengths.

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/content/aip/journal/apl/89/16/10.1063/1.2369543
2006-10-18
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Highly efficient optical pumping of photonic crystal nanocavity lasers using cavity resonant excitation
http://aip.metastore.ingenta.com/content/aip/journal/apl/89/16/10.1063/1.2369543
10.1063/1.2369543
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