Abstract
Complete optical switching of 2-30 ps signal pulses in the 0.83-1.0 mu m wavelength range is demonstrated using 50 ps control pulses at 1.053 mu m in an optical-fiber Kerr modulator/switch. This is achieved using an initial temporal offset between the pulses and group velocity dispersion to enable the fast pulse to walk-through the slow one. It is shown that a minimum switching power results when the initial offset is one-half of the relative group delay. As an important corollary, complete switching can occur with a control pulse shorter than the signal pulse.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
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