Abstract
When two equifrequency contra-propagating waves mix near the surface of a material, a harmonic field is generated normal to the surface (1-3). This phenomenon has previously been utilized in Ti: indiffused LiNbO3 waveguides to perform the convolution of picosecond optical waveforms (4). Here we demonstrate another novel application of this interaction, namely to a transient digitizer for the recording of multi-picosecond optical signals with sub-picosecond time resolution.
© 1982 Optical Society of America
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