Influence of absorber length on inhomogenously pumped, bistable semiconductor lasers

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Abstract
We report on experiments with inhomogenously pumped semiconductor lasers of InGaAsP (1300 nm) having a saturable absorber. Bistability disappears for long relative length of the absorber, and lasing occurs for wavelengths considerably longer than the luminescence peak. Both these results are very important for designing bistable lasers and are consistent with recently published theoretical data.