Abstract
High reflective Bragg reflectors based on suspended InP-layers were fabricated by selective wet etching. Areas as large as 15 × 20 μm 2 could be realized. Two three-period mirrors were employed in a cavity with a 1.3 μm GaInAsP active layer. The spectral reflectivity of the structure exhibits a Fabry Perot resonance at 1.32 μm. When excited with a Nd-YAG laser, the structure generates a narrow emission at the same wavelength and a linewith of ⩽2.5 nm.
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