Monolithic, oxide-confined, multiple-wavelength vertical-cavity surface-emitting laser arrays with a 57 nm wavelength grading range under cw lasing operation

Summary form only given.To implement wavelength-division multiplexing (WDM) at a local interconnect level requires a simple means for achieving multiple wavelength vertical-cavity surface-emitting laser (VCSEL) arrays with a wide wavelength grading range. We show that by using a selectively oxidized upper DBR mirror to reduce the optical mirror loss and the loss dispersion, cw lasing has been achieved at room temperature over a 57-nm wavelength span, with relatively uniform lasing thresholds and device characteristics.