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Lasing Action from Anapole Metasurfaces
- Authors
- Tripathi, Aditya; Kim, Ha-Reem; Tonkaev, Pavel; Lee, Soon-Jae; Makarov, Sergey, V; Kruk, Sergey S.; Rybin, Mikhail, V; Park, Hong-Gyu; Kivshar, Yuri
- Issue Date
- 11-8월-2021
- Publisher
- AMER CHEMICAL SOC
- Keywords
- Anapole; high-index nanoparticle; multipole decomposition; nanolaser; split-nanodisk resonator
- Citation
- NANO LETTERS, v.21, no.15, pp.6563 - 6568
- Indexed
- SCIE
SCOPUS
- Journal Title
- NANO LETTERS
- Volume
- 21
- Number
- 15
- Start Page
- 6563
- End Page
- 6568
- ISSN
- 1530-6984
- Abstract
- We study active dielectric metasurfaces composed of two-dimensional arrays of split-nanodisk resonators fabricated in InGaAsP membranes with embedded quantum wells. Depending on the geometric parameters, such split-nanodisk resonators can operate in the optical anapole regime originating from an overlap of the electric dipole and toroidal dipole Mie-resonant optical modes, thus supporting strongly localized fields and high-Q resonances. We demonstrate room-temperature lasing from the anapole lattices of engineered active metasurfaces with low threshold and high coherence.
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Collections - College of Science > Department of Physics > 1. Journal Articles
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