Andrey Babichev, Ivan Makhov, Natalia Kryzhanovskaya, Alexey Blokhin, Yuriy Zadiranov, Yulia Salii, Marina Kulagina, Mikhail Bobrov, Alexey Vasiliev, Sergey Blokhin, Nikolay Maleev, Maria Tchernycheva, Leonid Karachinsky, Innokenty Novikov, Anton Egorov
{"title":"Lasing of Quantum-Dot Micropillar Lasers under Elevated Temperatures","authors":"Andrey Babichev, Ivan Makhov, Natalia Kryzhanovskaya, Alexey Blokhin, Yuriy Zadiranov, Yulia Salii, Marina Kulagina, Mikhail Bobrov, Alexey Vasiliev, Sergey Blokhin, Nikolay Maleev, Maria Tchernycheva, Leonid Karachinsky, Innokenty Novikov, Anton Egorov","doi":"arxiv-2407.16271","DOIUrl":null,"url":null,"abstract":"A comprehensive numerical modelling of microcavity parameters for micropillar\nlasers with optical pumping was presented. The structure with a hybrid\ndielectric-semiconductor top mirror has a significantly higher calculated\nquality-factor (~65000 for 5 $\\mu$m pillar) due to better vertical mode\nconfinement. The minimum laser threshold (~370 $\\mu$W for 5 $\\mu$m pillar)\ncoincided with a temperature of 130 K, which is close to zero gain to cavity\ndetuning. Lasing up to 220 K was demonstrated with a laser threshold of about\n2.2 mW.","PeriodicalId":501214,"journal":{"name":"arXiv - PHYS - Optics","volume":"22 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2024-07-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"arXiv - PHYS - Optics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/arxiv-2407.16271","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
A comprehensive numerical modelling of microcavity parameters for micropillar
lasers with optical pumping was presented. The structure with a hybrid
dielectric-semiconductor top mirror has a significantly higher calculated
quality-factor (~65000 for 5 $\mu$m pillar) due to better vertical mode
confinement. The minimum laser threshold (~370 $\mu$W for 5 $\mu$m pillar)
coincided with a temperature of 130 K, which is close to zero gain to cavity
detuning. Lasing up to 220 K was demonstrated with a laser threshold of about
2.2 mW.
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