Heffernan, J. E.; Moloney, M. H.; Hegarty, J.; Roberts, J. S.; Whitehead, M., All optical, high contrast absorptive modulation in an asymmetric Fabry-Perot etalon, Applied Physics Letters, 58, 25, 1991, 2877 - 2879
Applied Physics Letters; 58; 25;
We report a 27:l switching contrast ratio with 2.5 mW of power in an asymmetric Fabry-
Perot Ctalon. The modulation is achieved by optical saturation of the excitonic
absorption profile of a 95 A GaAs/AlGaAs multiple quantum well structure grown on a
high-reflectivity dielectric stack mirror.
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