期刊
OPTICS EXPRESS
卷 30, 期 14, 页码 25234-25248出版社
Optica Publishing Group
DOI: 10.1364/OE.456249
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This research presents a hybrid dual-mode plasmonic laser, which combines the properties of one-dimensional distributed Bragg reflectors and thin metal nanohole arrays. The hybrid structure allows for efficient dual-mode lasing with similar energy distribution characteristics of photonic and plasmonic lasers. The proposed laser exhibits high emission output, narrow linewidth, and clear and tunable mode separation.
Miniature lasers emitting dual-wavelength modes have diverse applications alongside the more explored single-mode counterparts. However, having dual-wavelength modes originating from a plasmonic-photonic hybrid laser is still a relatively new area for research. Compared to the amount of literature devoted to the physics of such hybrid cavities, only a few have analyzed their role in lasing applications. Notably, the role of hybrid cavities in dual-wavelength lasing is still unexplored. In this work, the properties of one-dimensional distributed Bragg reflectors and thin metal nanohole arrays come together to create a hybrid dual-mode plasmonic laser. The similar energy distribution characteristics of photonic and plasmonic lasers make hybrid structures a viable choice for efficient dual-mode lasing. In this work, the lasing cavity simultaneously excites photonic and Tamm plasmonic modes to generate dual-mode lasing. Consequently, the proposed laser shows high emission output with narrow linewidth and a clear and tunable mode separation. (C) 2022 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement
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