Lasing Threshold in Nanolasers with Extreme Dielectric Confinement

Marco Saldutti; Yi Yu; Jesper Mørk

doi:10.1109/ICTON59386.2023.10207455

Lasing Threshold in Nanolasers with Extreme Dielectric Confinement

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

Abstract

Nanolasers based on emerging dielectric cavities with deep sub-wavelength optical confinement may offer an unprecedented light-matter coupling rate, near-unity spontaneous emission factor, and ultra-low threshold current. However, the extreme dielectric confinement in these nanolasers questions the standard approach to identifying the lasing threshold. Here, we discuss a new threshold definition, valid from the macro to the nanoscale and reflecting the recycling process that photons undergo in nanolasers with extreme dielectric confinement.

Original language	English
Title of host publication	Proceedings of 23^rd International Conference on Transparent Optical Networks
Number of pages	3
Publisher	IEEE
Publication date	2023
Pages	1-3
ISBN (Print)	9798350303032
DOIs	https://doi.org/10.1109/ICTON59386.2023.10207455
Publication status	Published - 2023
Event	23^rd International Conference on Transparent Optical Networks - Bucharest, Romania Duration: 2 Jul 2023 → 6 Jul 2023 Conference number: 23

Conference

Conference	23^rd International Conference on Transparent Optical Networks
Number	23
Country/Territory	Romania
City	Bucharest
Period	02/07/2023 → 06/07/2023

Keywords

Lasing threshold
Nanolasers
Extreme dielectric confinement;

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10.1109/ICTON59386.2023.10207455

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title = "Lasing Threshold in Nanolasers with Extreme Dielectric Confinement",

abstract = "Nanolasers based on emerging dielectric cavities with deep sub-wavelength optical confinement may offer an unprecedented light-matter coupling rate, near-unity spontaneous emission factor, and ultra-low threshold current. However, the extreme dielectric confinement in these nanolasers questions the standard approach to identifying the lasing threshold. Here, we discuss a new threshold definition, valid from the macro to the nanoscale and reflecting the recycling process that photons undergo in nanolasers with extreme dielectric confinement.",

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AB - Nanolasers based on emerging dielectric cavities with deep sub-wavelength optical confinement may offer an unprecedented light-matter coupling rate, near-unity spontaneous emission factor, and ultra-low threshold current. However, the extreme dielectric confinement in these nanolasers questions the standard approach to identifying the lasing threshold. Here, we discuss a new threshold definition, valid from the macro to the nanoscale and reflecting the recycling process that photons undergo in nanolasers with extreme dielectric confinement.

KW - Lasing threshold

KW - Nanolasers

KW - Extreme dielectric confinement;

U2 - 10.1109/ICTON59386.2023.10207455

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Y2 - 2 July 2023 through 6 July 2023

ER -

Lasing Threshold in Nanolasers with Extreme Dielectric Confinement

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