Microsphere-Based Optical Frequency Comb Generator for 200 GHz Spaced WDM Data 
Transmission System

Anashkina, Elena A.; Marisova, Maria P.; Andrianov V, Alexey; Akhmedzhanov, Rinat A.; Murnieks, Rihards; Tokman, Mikhail D.; Skladova, Laura; Oladyshkin V, Ivan; Salgals, Toms; Lyashuk, Ilya; Sorokin, Arseniy; Spolitis, Sandis; Leuchs, Gerd; Bobrovs, Vjaceslavs

doi:10.3390/photonics7030072

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Microsphere-Based Optical Frequency Comb Generator for 200 GHz Spaced WDM Data Transmission System

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Leuchs, Gerd
Leuchs Emeritus Group, Emeritus Groups, Max Planck Institute for the Science of Light, Max Planck Society;

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Citation

Anashkina, E. A., Marisova, M. P., Andrianov V, A., Akhmedzhanov, R. A., Murnieks, R., Tokman, M. D., et al. (2020). Microsphere-Based Optical Frequency Comb Generator for 200 GHz Spaced WDM Data Transmission System. PHOTONICS, 7(3): 72. doi:10.3390/photonics7030072.

Cite as: https://hdl.handle.net/21.11116/0000-000F-8E60-5

Abstract

Optical frequency comb (OFC) generators based on whispering gallery mode (WGM) microresonators have a massive potential to ensure spectral and energy efficiency in wavelength-division multiplexing (WDM) telecommunication systems. The use of silica microspheres for telecommunication applications has hardly been studied but could be promising. We propose, investigate, and optimize numerically a simple design of a silica microsphere-based OFC generator in the C-band with a free spectral range of 200 GHz and simulate its implementation to provide 4-channel 200 GHz spaced WDM data transmission system. We calculate microsphere characteristics such as WGM eigenfrequencies, dispersion, nonlinear Kerr coefficient with allowance for thermo-optical effects, and simulate OFC generation in the regime of a stable dissipative Kerr soliton. We show that by employing generated OFC lines as optical carriers for WDM data transmission, it is possible to ensure error-free data transmission with a bit error rate (BER) of 4.5 x 10(-30), providing a total of 40 Gbit/s of transmission speed on four channels.