Self-sustained pulsation in the oxide-confined vertical-cavity surface-emitting lasers based on submonolayer InGaAs quantum dots

A. G. Kuzmenkov, V. M. Ustinov, G. S. Sokolovskii, N. A. Maleev, S. A. Blokhin, A. G. Deryagin, S. V. Chumak, A. S. Shulenkov, S. S. Mikhrin, A. R. Kovsh, A. D. McRobbie, W. Sibbett, M. A. Cataluna, E. U. Rafailov

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Abstract

The authors report the observation of strong self-pulsations in molecular-beam epitaxy–grown oxide-confined vertical-cavity surface-emitting lasers based on submonolayer InGaAs quantum dots. At continuous-wave operation, self-pulsations with pulse durations of 100–300ps and repetition rates of 0.2–0.6GHz were measured. The average optical power of the pulsations was 0.5–1.0mW at the laser continuous-wave current values of 1.5–2.5mA.
Original languageEnglish
Article number121106
JournalApplied Physics Letters
Volume91
DOIs
Publication statusPublished - 18 Sept 2007

Bibliographical note

The authors acknowledge the partial financial support of the Royal Society and from the EU Project “SANDiE” (Contract No. NMP4-CT-2004-500101).

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