Effect of cavity size on lasting characteristics of a distributed Bragg reflector-surface emitting laser with buried heterostructure

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Abstract
Transverse-mode characteristics of the distributed Bragg reflector-surface emitting laser diode with buried heterostructure were investigated as a function of the cavity size. Stable, fundamental transverse-mode operation was achieved for cavity openings of 4 μm in diameter and smaller. The effect of cavity size on threshold current and polarization characteristics is also discussed.