The authors present the first demonstration of a monolithic vertical cavity laser optically pumped at 1.55 µm. The laser cavity is grown in a single run by low pressure MOVPE and the total thickness is 16.4 µm with an InGaAlAs (λg = 1.55 µm) bulk active region (3λ/2 thick) between two InGaAlAs (λg = 1.45 µm)/InAlAs Bragg stacks.
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Debray et al. (1997) studied this question.
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