Ontology type: schema:ScholarlyArticle
2019-08-07
AUTHORSS. A. Blokhin, M. A. Bobrov, A. A. Blokhin, A. G. Kuzmenkov, N. A. Maleev, V. M. Ustinov, E. S. Kolodeznyi, S. S. Rochas, A. V. Babichev, I. I. Novikov, A. G. Gladyshev, L. Ya. Karachinsky, D. V. Denisov, K. O. Voropaev, A. S. Ionov, A. Yu. Egorov
ABSTRACTThe results of studying the dynamic characteristics of 1.55-μm single-mode vertical-cavity surface-emitting lasers (VCSELs) formed by the fusion of wafers of high-quality Bragg reflectors and an active region based on thin highly strained InGaAs/InAlGaAs quantum wells are presented. It is found that the proposed design of the active region and optical microcavity of the laser make it possible in principle to attain a high level of differential laser gain in the temperature range of 20°C–85°C, but weak electron localization leads to an increase in gain compression at elevated temperatures. Due to this fact, the VCSEL modulation bandwidth at 20°C can be increased from 9.2 to 11.5 GHz due to an increase in output optical losses, while the modulation bandwidth at 85°C does not exceed 8.5 GHz, depends weakly on the output optical losses, and is mainly limited by the optical-gain saturation. More... »
PAGES1104-1109
http://scigraph.springernature.com/pub.10.1134/s1063782619080074
DOIhttp://dx.doi.org/10.1134/s1063782619080074
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