Optical cavities based on Ga2O3 micro- and nanowires: from near IR to near UV

Manuel Alonso-Orts; Daniel Carrasco; Gerwin Chilla; Rudolfo Hötzel; Emilio Nogales; Jose María San Juan; María Luisa Nó Sanchez; Martin Eickhoff; Bianchi Méndez

doi:10.1117/12.2591736

5 March 2021 Optical cavities based on Ga₂O₃ micro- and nanowires: from near IR to near UV

Manuel Alonso-Orts, Daniel Carrasco, Gerwin Chilla, Rudolfo Hötzel, Emilio Nogales, Jose María San Juan, María Luisa Nó Sanchez, Martin Eickhoff, Bianchi Méndez

Author Affiliations +

Proceedings Volume 11687, Oxide-based Materials and Devices XII; 116870W (2021) https://doi.org/10.1117/12.2591736
Event: SPIE OPTO, 2021, Online Only

Abstract

Ga2O3 micro- and nanowires-based optical microcavities have been obtained by patterning pairs of distributed Bragg reflectors (DBRs) with a focused ion beam (FIB) microscope. DBRs result in widely tunable high reflectivity bands. The microcavities have been designed and optimized with the aid of simulations and optically characterized by micro-photoluminescence. Tunable strong modulations are confirmed in the NUV-blue as well as in the red-NIR ranges for unintentionally doped and chromium doped wires, respectively. Experimental, analytical and simulations results will be compared and some possible applications of these cavities will be assessed.

Conference Presentation

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Manuel Alonso-Orts, Daniel Carrasco, Gerwin Chilla, Rudolfo Hötzel, Emilio Nogales, Jose María San Juan, María Luisa Nó Sanchez, Martin Eickhoff, and Bianchi Méndez "Optical cavities based on Ga₂O₃ micro- and nanowires: from near IR to near UV", Proc. SPIE 11687, Oxide-based Materials and Devices XII, 116870W (5 March 2021); https://doi.org/10.1117/12.2591736

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