A novel method is proposed for transverse mode control of an oxide confined vertical cavity surface emitting laser (VCSEL) by a dielectric aperture (DA) formed on the top surface. From I-L characteristics and far field patterns (FFP), the diameter of the DA is optimized to be 10 /spl mu/m. Suppression of higher order transverse modes is confirmed by narrowing of the far field pattern.
Transverse mode control of oxide confined multimode VCSEL by dielectric aperture
01.01.2001
113151 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
Transverse Mode Control of Oxide Confined Multimode VCSEL by Dielectric Aperture
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