Quantum dot photonic-crystal-slab nanocavities: Quality factors and lasing

J. Hendrickson; B. C. Richards; J. Sweet; S. Mosor; C. Christenson; D. Lam; G. Khitrova; H. M. Gibbs; T. Yoshie; A. Scherer; O. B. Shchekin; D. G. Deppe

doi:10.1103/PhysRevB.72.193303

Quantum dot photonic-crystal-slab nanocavities: Quality factors and lasing

J. Hendrickson, B. C. Richards, J. Sweet, S. Mosor, C. Christenson, D. Lam, G. Khitrova, H. M. Gibbs, T. Yoshie, A. Scherer, O. B. Shchekin, D. G. Deppe

Optical Sciences, College of

Research output: Contribution to journal › Article › peer-review

53 Scopus citations

Abstract

Emission linewidths of quantum dot photonic-crystal-slab nanocavities are measured as a function of temperature and fabrication parameters with low-power and high-power, cw and pulsed, nonresonant excitation. The cavity linewidth is dominated by the absorption of the ensemble of quantum dots having a density of ≅400/μm2; above the absorption edge, the cavity linewidth broadens considerably compared with the empty cavity linewidth. Gain and lasing are seen for high-power pumping; it is estimated that only a small number of quantum dots contributes to the lasing.

Original language	English (US)
Article number	193303
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	72
Issue number	19
DOIs	https://doi.org/10.1103/PhysRevB.72.193303
State	Published - Nov 15 2005

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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Hendrickson, J., Richards, B. C., Sweet, J., Mosor, S., Christenson, C., Lam, D., Khitrova, G., Gibbs, H. M., Yoshie, T., Scherer, A., Shchekin, O. B., & Deppe, D. G. (2005). Quantum dot photonic-crystal-slab nanocavities: Quality factors and lasing. Physical Review B - Condensed Matter and Materials Physics, 72(19), Article 193303. https://doi.org/10.1103/PhysRevB.72.193303

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abstract = "Emission linewidths of quantum dot photonic-crystal-slab nanocavities are measured as a function of temperature and fabrication parameters with low-power and high-power, cw and pulsed, nonresonant excitation. The cavity linewidth is dominated by the absorption of the ensemble of quantum dots having a density of ≅400/μm2; above the absorption edge, the cavity linewidth broadens considerably compared with the empty cavity linewidth. Gain and lasing are seen for high-power pumping; it is estimated that only a small number of quantum dots contributes to the lasing.",

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AU - Hendrickson, J.

AU - Richards, B. C.

AU - Sweet, J.

AU - Mosor, S.

AU - Christenson, C.

AU - Lam, D.

AU - Khitrova, G.

AU - Gibbs, H. M.

AU - Yoshie, T.

AU - Scherer, A.

AU - Shchekin, O. B.

AU - Deppe, D. G.

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AB - Emission linewidths of quantum dot photonic-crystal-slab nanocavities are measured as a function of temperature and fabrication parameters with low-power and high-power, cw and pulsed, nonresonant excitation. The cavity linewidth is dominated by the absorption of the ensemble of quantum dots having a density of ≅400/μm2; above the absorption edge, the cavity linewidth broadens considerably compared with the empty cavity linewidth. Gain and lasing are seen for high-power pumping; it is estimated that only a small number of quantum dots contributes to the lasing.

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Quantum dot photonic-crystal-slab nanocavities: Quality factors and lasing

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