Fast Optical Switching: Analysis of Existing Solutions and a New Method Ensuring Signal/Packet Switching in Multi-Service Networks
https://doi.org/10.31854/1813-324X-2025-11-5-97-118
EDN: UMHYVG
Abstract
Beamforming technologies in 5G / 6G and fractional lambda switching are impossible without fast (in times <1 ns) packet switching. Existing microresonator devices and the like are focused on low-photon signals and are not effective on traditional G.703/G.802.3ba fiber-optic lines. Therefore, methods and devices for fast switching of optical packets are relevant.
The purpose of the work: to create a new non-relational method for fast switching of signals / packets in fully
optical networks based on chirp pulses. The scientific task is to develop a multi-port interference wavelength separation device with a small step.
Methods used: numerical modeling in the HFSS package, methods of probability theory.
In the course of solving the scientific problem, an interference pattern was obtained in the working area of the device, a spectrally selective output mirror was designed, and the refractive index gradient was refined.
Novelty: a method of fast optical switching, a two-resonator separation device with a developed output mirror structure and a refined refractive index is proposed.
Practical significance: the device is designed for packet 5G / 6G networks without buffering.
The results of the work are interesting when designing new generations of optical switches.
The practical implementation of the device improves the performance of packet-switched networks.
Keywords
fiber optic packet switching,
dual-cavity Fabry – Perot interferometer,
optical mixer,
refractive index gradient,
fractional lambda switching
Supporting agencies: The work was completed within the framework of the Ufa State Petroleum Technological University leadership projects competition 2025 (No. V-17022).
About the Authors
I. L. Vinogradova
Ufa University of Science and Technology; Ufa State Petroleum Technological University
Russian Federation
Russian Federation
A. H. Sultanov
Ufa University of Science and Technology
Russian Federation
Russian Federation
E. Yu. Golovina
Institute of Oil Refining and Petrochemistry of FSBEU VO "UGNTU" in Salavat
Russian Federation
Russian Federation
A. M. Komissarov
Ufa University of Science and Technology
Russian Federation
Russian Federation
P. E. Filatov
Ufa University of Science and Technology
Russian Federation
Russian Federation
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Review
For citations:
Vinogradova I.L., Sultanov A.H., Golovina E.Yu., Komissarov A.M., Filatov P.E. Fast Optical Switching: Analysis of Existing Solutions and a New Method Ensuring Signal/Packet Switching in Multi-Service Networks. Proceedings of Telecommunication Universities. 2025;11(5):97-118. (In Russ.) https://doi.org/10.31854/1813-324X-2025-11-5-97-118. EDN: UMHYVG
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