Measurement of pulse amplitude and phase using cross-phase modulation in microstructure fiber |
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Authors: | Honzatko P Kanka J Vrany B |
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Institution: | Institute of Radio Engineering and Electronics, Academy of Sciences of the Czech Republic, Chaberská 57, 182 51 Praha 8, Czech Republic. honzatko@ure.cas.cz |
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Abstract: | Cross-phase modulation in a highly nonlinear microstructure optical fiber with low dispersion and high birefringence is used for the measurement of the pulse amplitude and phase of picosecond pulses by frequency-resolved optical gating. An alignment-free configuration including an optical amplifier is proposed and experimentally tested. The simulated annealing method is used for retrieving the amplitude and phase from cross-phase modulation spectrograms. It takes into account the birefringence of the measurement fiber and the resolution of the optical spectrum analyzer. |
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