Abstract
A nonlinear Fabry-Perot interferometer symmetrically pumped by two beams was proposed by Haelterman et al.1,2 as an all-optical flip-flop that is triggerable by only bright pulses without the necessity of dark pulses, which are necessary, for resetting the ordinary nonlinear Fabry-Perot flipflop. We have previously shown theoretically and experimentally3 that when the semiconductor laser pumped to near the threshold was injection modulated, instabilities such as bifurcations, limit cycles, or chaos occurred on its injection-modulated pulsed height. If such a bifurcation can be regarded as a kind of symmetry breaking, by using this, the construction of a setreset type all-optical flip-flop using only bright trigger pulses can probably be realized, although the flip-flop action is dynamic (pulsed) rather than static.
© 1993 Optical Society of America
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