Dual-Wavelength Emission From a Serially Connected Two-Chip VECSEL

Abstract

We present a compact two-chip vertical-external-cavity surface-emitting laser design, which provides dual-wavelength emission with a wavelength separation of 10 nm. The design is ideal for type-I frequency conversion, since the two wavelengths exhibit the same polarization, and over 600-W intracavity power is generated. Dual-wavelength operation with other desirable wavelength difference can be achieved in this flexible cavity, by using different chip combinations and suitable filters.