Fig. 1. Schematic epitaxial structure for product RB-755.

Fig. 2. (a) Calculated near-field distribution in the vertical direction, fundamental mode only. The confinement factor Γ is approximately 0.7%. (b) Calculated far-field divergence, with a full width at half maximum (FWHM) of 35.82°.

Fig. 3. (a) P-I-V curves of product RB-755. (b) Spectrum of a single emitter in COS packaging under 11.5 A bias and 25°C. (c) Wall-plug efficiency of RB-755.

Fig. 4. Lifetime test with one single emitter under CW 12 A bias and 40°C.

Fig. 5. (a) Vertical (fast axis) far-field angular divergence. (b) Horizontal (slow axis) far-field angular divergence.

Fig. 6. Measured natural logarithm of threshold and slope efficiency as functions of absolute temperature. The slope of fitted lines corresponds to the inverse of T0 (blue) and T1 (red), respectively.