Optical Frequency Combs Generated in Silica Microspheres in the Telecommunication C-, U-, and E-Bands
Abstract
:1. Introduction
2. Methods
2.1. Fabrication of Microspheres
2.2. Numerical
2.2.1. Calculation of Dispersion and Nonlinear Coefficient
2.2.2. Calculation of Intracavity CW Power
2.2.3. Calculation of Gain Coefficients for the Degenerate FWM Processes under the Strong Intracavity CW Field Approximation
2.2.4. Numerical Simulation Based on Lugiato–Lefever Equation with the Raman Nonlinearity Taken into Account
3. Results
3.1. The 1st Experimental Series
3.2. Theoretical Study of FWM
3.3. The 2nd Experimental Series
3.4. The 3rd Experimental Series and Its Interpretation
4. Discussion
Author Contributions
Funding
Conflicts of Interest
References
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Anashkina, E.A.; Marisova, M.P.; Salgals, T.; Alnis, J.; Lyashuk, I.; Leuchs, G.; Spolitis, S.; Bobrovs, V.; Andrianov, A.V. Optical Frequency Combs Generated in Silica Microspheres in the Telecommunication C-, U-, and E-Bands. Photonics 2021, 8, 345. https://doi.org/10.3390/photonics8090345
Anashkina EA, Marisova MP, Salgals T, Alnis J, Lyashuk I, Leuchs G, Spolitis S, Bobrovs V, Andrianov AV. Optical Frequency Combs Generated in Silica Microspheres in the Telecommunication C-, U-, and E-Bands. Photonics. 2021; 8(9):345. https://doi.org/10.3390/photonics8090345
Chicago/Turabian StyleAnashkina, Elena A., Maria P. Marisova, Toms Salgals, Janis Alnis, Ilya Lyashuk, Gerd Leuchs, Sandis Spolitis, Vjaceslavs Bobrovs, and Alexey V. Andrianov. 2021. "Optical Frequency Combs Generated in Silica Microspheres in the Telecommunication C-, U-, and E-Bands" Photonics 8, no. 9: 345. https://doi.org/10.3390/photonics8090345