Abstract

We have developed a novel sonogram measurement system with an acousto-optic tunable filter and a nonmechanical cross correlator that uses an electronically controlled, wavelength-tunable, femtosecond soliton pulse. The sonogram trace can be measured in the wide-wavelength region of 1.1–2.1 μm without optical alignment. Temporal and wavelength range in the sonogram measurement may be changed by electronic control alone. We have demonstrated the sonogram measurement and pulse reconstruction for the analysis of ultrashort pulse propagation in optical fibers, such as a Raman soliton pulse and a supercontinuum pulse that have complex temporal and spectral distributions.

© 2003 Optical Society of America

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