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Alonso Orts, Manuel and Chilla, Gerwin and Hötzel, Rudolfo and Nogales Díaz, Emilio and San Juan, José M. and Nó, Maria L. and Eickhoff, Martin and Méndez Martín, Bianchi (2021) Near-UV optical-cavities n Ga_2O_3 nanowires. Optics letters, 46 (2). pp. 278-281. ISSN 0146-9592
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Official URL: http://dx.doi.org/10.1364/OL.410757
Abstract
In this Letter, we report optical confinement in the near-ultraviolet (near-UV) range in Ga2O3 nanowires (NWs) by distributed Bragg reflector (DBR) nanopatterned cavities. High-contrast DBRs, which act as the end mirrors of the cavities of the desired length, are designed and fabricated by focused ion beam etching. The resonant modes of the cavities are analyzed by micro-photoluminescence measurements, analytical models, and simulations, which show very good agreement between each other. Experimental reflectivities up to 50% are obtained over the 350-410 nm region for the resonances in this wavelength range. Therefore, Ga2O3 NW optical cavities are shown as good candidates for single-material-based near-UV light emitters.
Item Type: | Article |
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Additional Information: | ©2021 Optical Society of America |
Uncontrolled Keywords: | Optics |
Subjects: | Sciences > Physics > Materials Sciences > Physics > Solid state physics |
ID Code: | 64060 |
Deposited On: | 26 Feb 2021 17:48 |
Last Modified: | 16 Jan 2022 23:00 |
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