Abstract
The dependence of the spectral position of the lasing line of a microdisk laser with InAs/InGaAs/GaAs quantum dots on the refractive index of an aqueous solution in which the microlaser is immersed is studied. A maximum resonance shift of 9.4 nm/RIU was obtained for 10-μm-diameter microlasers immersed in an aqueous glucose solution.
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ACKNOWLEDGMENTS
Electron-microscopy studies were performed using the equipment of the “Materials Science and Diagnostics in Advanced Technologies” Federal Center for Collective Use.
Funding
This work was supported by the Russian Foundation for Basic Research, project no. 20-02-00334. The calculations were performed within the framework of the Program for Fundamental Research of National Research University “Higher School of Economics”. The work was also supported by the Ministry of Science and Higher Education of the Russian Federation, project no. 0791-2020-0006.
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Translated by V. Selikhanovich
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Kryzhanovskaya, N.V., Melnichenko, I.A., Bukatin, A.S. et al. An Investigation of the Sensitivity of a Microdisk Laser to a Change in the Refractive Index of the Environment. Tech. Phys. Lett. 48, 74–77 (2022). https://doi.org/10.1134/S1063785022030063
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DOI: https://doi.org/10.1134/S1063785022030063