Abstract
Previously reported work on optical waveguide bistability in GaAs/AlGaAs has included thermally induced dispersive and increasing-absorption bistability in a slab waveguide1 and increasing-absorption bistability utilizing the self-electro-optic effect in a slab waveguide.2 A more recent report claimed observation of optical switching and dispersive bistability of electronic origin in strain-induced channel waveguides.3 We report here an unambiguous observation of optical bistability of electronic origin in multiple-quantum-well (MQW) strip-loaded waveguides formed by reactive ion etching.
© 1988 Optical Society of America
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