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Excitation power dependence of the Purcell effect in photonic crystal microcavity lasers with quantum wires
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10.1063/1.4807439
/content/aip/journal/apl/102/20/10.1063/1.4807439
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/20/10.1063/1.4807439

Figures

Image of FIG. 1.
FIG. 1.

(a) PL spectrum and lifetime at 77 K of QWRs ensemble outside of the PCMs. (b) PL spectrum of an L7-PCM with QWRs showing the optical modes. The fundamental mode is labeled as O1.

Image of FIG. 2.
FIG. 2.

(a) Integrated optical intensity of an L7-PCM laser embedding QWRs with the fitting to the rate equations (red solid line). (b) as a function of the excitation power. The threshold region is marked in grey. Panels (c)–(e) show the PL transients for three different values of incident power: 1.6 μW (c), 5 μW (d), and 6.5 μW (e). System response (shaded grey), experimental data (dots), and fitting (solid line) against a single (c) or double (d) and (e) exponential decay function.

Image of FIG. 3.
FIG. 3.

(a) PL spectra of the bare QWRs (red line), lasing cavity ( = 0.22, solid shadow), and a non-lasing cavity ( = 0.25, light shadow). (b) Integrated optical intensity of the modes under study. The shadowed area determines the threshold region, and the red line is the fitting to the rate equations model. (c) Decay times versus excitation power of the O1 mode in the non-lasing cavity (solid triangles) to be compared with that of the QWRs emitting at 1516 nm wavelength (red squares). (d) Decay time versus excitation power of the O2 mode (empty triangles) in the non-lasing cavity and of the O1 mode in the lasing cavity (solid and empty circles for the short and large decay times, respectively). The decay time corresponding to QWRs emitting at 1486 nm is labeled with red squares.

Tables

Generic image for table
Table I.

Spectral properties and decay times of QWRs and τ for the studied modes at different excitation powers.

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/content/aip/journal/apl/102/20/10.1063/1.4807439
2013-05-21
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Excitation power dependence of the Purcell effect in photonic crystal microcavity lasers with quantum wires
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/20/10.1063/1.4807439
10.1063/1.4807439
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