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Photonic-Crystal Fiber Synthesizers of Ultrafast Lightwavesстатья
- Авторы: Voronin A.A., Fedotov I.V., Fedotov A.B., Zheltikov A.M.
- Сборник: Nano-Optics for Enhancing Light-Matter Interactions on a Molecular Scale
- Серия: NATO Science for Peace and Security Series B: Physics and Biophysics
- Год издания: 2013
- Место издания: SPRINGER
- Первая страница: 455
- Последняя страница: 456
- DOI: 1007/978-94-007-5313-6__59
- Аннотация: Frequency-shifted solitons in a highly nonlinear photonic-crystal fiber (PCF) are shown to give rise to high-visibility interference fringes in PCF output spectra, indicating flat spectral phase profiles of individual solitons in the PCF output (Fig. 59.1). This experimental finding, supported by numerical simulations, suggests a promising method of fiber-format pulse shaping and an attractive technology for few-cycle pulse synthesis through a coherent addition of frequency-shifted solitons generated in a highly nonlinear fiber [1]. Coupling ultrashort optical field waveforms to ultrafast molecular vibrations in an impulsively excited Raman medium is shown to enable the generation of frequency-tunable sub-half-cycle multigigawatt light pulses. In a gas-filled hollow waveguide, this coupled-state dynamics is strongly assisted by soliton effects, which help to suppress temporal stretching of subcycle optical pulses, providing efficient Raman-type impulsive excitation of ultrafast molecular vibrations over large propagation paths [2].
- Добавил в систему: Желтиков Алексей Михайлович