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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202302170
|2 doi
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|a DE-627
|b ger
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Song, Jiepeng
|e verfasserin
|4 aut
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| 245 |
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|a Continuous-Wave Pumped Perovskite Lasers with Device Area Below 1 µm2
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Revised 27.07.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2023 Wiley-VCH GmbH.
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|a Continuous-wave (CW) pumped lasers with device areas below 1 µm2 constitute a key step to meeting the energy efficiency requirement for on-chip optical communications. However, a debate about whether a sub-micrometer device size and low threshold can be simultaneously satisfied has persisted owing to insurmountable radiation losses when approaching the optical diffraction limit. Herein, a record-small CW optically pumped perovskite laser with a device area of 0.65 µm2 is demonstrated. The thresholds of sub-micrometer lasers can be found lower than those of several-micrometer counterparts, and are ascribed to the enlarged group refractive index and modal confinement resulting from the enhanced exciton-photon coupling. Moreover, the operation temperature is elevated to 150 K through the reduction in heat generation. These findings unveil the potential of exciton-polaritons in laser miniaturization, providing an alternative for developing low-threshold semiconductor lasers without artificial optical cavities, to approach the optical diffraction limit
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|a Journal Article
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4 |
|a continuous-wave
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4 |
|a exciton-polaritons
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4 |
|a lasing
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4 |
|a microlasers
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| 650 |
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4 |
|a perovskites
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| 700 |
1 |
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|a Shang, Qiuyu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Deng, Xinyi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liang, Yin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Chun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Xinfeng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xiong, Qihua
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Qing
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 35(2023), 30 vom: 01. Juli, Seite e2302170
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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| 773 |
1 |
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|g volume:35
|g year:2023
|g number:30
|g day:01
|g month:07
|g pages:e2302170
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| 856 |
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|u http://dx.doi.org/10.1002/adma.202302170
|3 Volltext
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