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Updated: Jun 24, 2026

Rapid Repetition Rate Fluctuation Measurement of Soliton Crystals in a Microresonator
Published on: December 15, 2021
Powerful wavelength-tunable ultrashort solitons in a solid-core photonic-crystal fiber
A B Fedotov1, A A Voronin, I V Fedotov
1Department of Physics, International Laser Center, M.V. Lomonosov Moscow State University, Moscow, Russia.
Abstract:
A solid-core photonic-crystal fiber (PCF) with an effective mode area of 20 microm2 is used to demonstrate the generation of sub-100-kW, 30-70 fs wavelength-tunable solitons within a wavelength range of 1300-1800 nm at a repetition rate of 18 MHz. An energy of 2.9 nJ per pulse is achieved for a 35 fs soliton PCF output centered at 1770 nm. Our numerical analysis supports experimental findings and suggests that frequency-shifted solitons in solid-core PCFs can be scaled up to a submegawatt level of peak powers.
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