Babichev A. V.
1, Makhov I. S. 2, Kryzhanovskaya N. V. 2, Zadiranov Yu. M.1, Salii Yu. A.1, Kulagina M. M.1, Kovach Ya. N.1,3, Bobrov M. A. 1, Vasiliev A. P.1, Blokhin S. A. 1, Maleev N. A. 1, Karachinsky L. Ya. 3, Novikov I. I. 3, Egorov A. Yu. 3
1Ioffe Institute, St. Petersburg, Russia
2HSE University, St. Petersburg, Russia
3ITMO University, St. Petersburg, Russia
Lasing in vertical micropillar cavity lasers at a temperature of 244 K was demonstrated. The threshold absorbed optical power, lasing wavelength and quality factor of a 4 μm diameter micropillar laser were ~2.8 mW, 989 nm and 12000. The minimum threshold absorbed optical power (250 μW) corresponds to a temperature of 168 K. Keywords: microlasers, vertical microcavity, quantum dots, Stranski-Krastanov mechanism, optical reservoir computing.
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