Lasing of Quantum-Dot Micropillar Lasers under Elevated Temperatures
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arXiv
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| Format: | Preprint |
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2024
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| author | Babichev, Andrey Makhov, Ivan Kryzhanovskaya, Natalia Blokhin, Alexey Zadiranov, Yuriy Salii, Yulia Kulagina, Marina Bobrov, Mikhail Vasiliev, Alexey Blokhin, Sergey Maleev, Nikolay Tchernycheva, Maria Karachinsky, Leonid Novikov, Innokenty Egorov, Anton |
| author_facet | Babichev, Andrey Makhov, Ivan Kryzhanovskaya, Natalia Blokhin, Alexey Zadiranov, Yuriy Salii, Yulia Kulagina, Marina Bobrov, Mikhail Vasiliev, Alexey Blokhin, Sergey Maleev, Nikolay Tchernycheva, Maria Karachinsky, Leonid Novikov, Innokenty Egorov, Anton |
| contents | 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 $μ$m pillar) due to better vertical mode confinement. The minimum laser threshold (~370 $μ$W for 5 $μ$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. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2407_16271 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Lasing of Quantum-Dot Micropillar Lasers under Elevated Temperatures Babichev, Andrey Makhov, Ivan Kryzhanovskaya, Natalia Blokhin, Alexey Zadiranov, Yuriy Salii, Yulia Kulagina, Marina Bobrov, Mikhail Vasiliev, Alexey Blokhin, Sergey Maleev, Nikolay Tchernycheva, Maria Karachinsky, Leonid Novikov, Innokenty Egorov, Anton Mesoscale and Nanoscale Physics Optics 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 $μ$m pillar) due to better vertical mode confinement. The minimum laser threshold (~370 $μ$W for 5 $μ$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. |
| title | Lasing of Quantum-Dot Micropillar Lasers under Elevated Temperatures |
| topic | Mesoscale and Nanoscale Physics Optics |
| url | https://arxiv.org/abs/2407.16271 |