Evaluation of the Impact of Surface Recombination in Microdisk Lasers by Means of High-Frequency Modulation View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2019-08-07

AUTHORS

A. E. Zhukov, E. I. Moiseev, N. V. Kryzhanovskaya, S. A. Blokhin, M. M. Kulagina, Yu. A. Guseva, S. A. Mintairov, N. A. Kalyuzhnyy, A. M. Mozharov, F. I. Zubov, M. V. Maximov

ABSTRACT

Microdisk lasers 10–30 μm in diameter operating at room temperature without thermal stabilization and with an active region based on nanostructures of hybrid dimensionality—quantum wells–dots—are investigated. High-frequency measurements of the microlaser response are performed in the direct small-signal modulation mode, which makes it possible to establish the parameters of the operating speed and analyze their dependence on the microlaser diameter. It is found that the K factor is (0.8 ± 0.2) ns, which corresponds to optical losses of ~6 cm–1, and no regular dependence on the diameter is observed. It is found that the low-frequency component of the damping coefficient of relaxation oscillations is inversely proportional to the diameter. This character of the dependence evidences a decrease in the carrier lifetime in small-diameter microcavities, which can be associated with the prevalence of nonradiative recombination on their side walls. More... »

PAGES

1099-1103

References to SciGraph publications

Identifiers

URI

http://scigraph.springernature.com/pub.10.1134/s1063782619080220

DOI

http://dx.doi.org/10.1134/s1063782619080220

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1120192068


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184 grid-institutes:grid.4886.2 schema:alternateName St. Petersburg National Research Academic University, Russian Academy of Sciences, 194021, St. Petersburg, Russia
185 schema:name St. Petersburg National Research Academic University, Russian Academy of Sciences, 194021, St. Petersburg, Russia
186 rdf:type schema:Organization
 




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