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Picosecond signal sampling and multiplication by using integrated tandem light modulators

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3 Author(s)
Izutsu, M. ; Osaka University, Osaka, Japan ; Haga, H. ; Sueta, T.

A picosecond signal sampling experiment was performed successfully by using integrated optic technologies. Two interferometric modulators of the traveling-wave and lumped types were integrated in series on a LiNbO3crystal surface. The traveling-wave modulator was oprated as a sampling gate activated by an electrical pulse train of 1-GHz repetition from a comb generator, while the lumped one was driven by a 2-GHz CW signal. The aperture time of the gate was estimated about 52 ps from the measurement using the image tube streak camera modified to sinusoidal scan at 1 GHz. Also a signal multiplication experiment was carried out using 100- and 10-MHz CW signals.

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Lightwave Technology, Journal of  (Volume:1 ,  Issue: 1 )