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Reciprocal differential efficiency against cavity length for wide PBC lasers measured in pulsed mode at a heat sink temperature of . The inset shows the corresponding threshold current density against inverse cavity length.
Threshold current density for a wide and 0.5 mm long stripe PBC laser measured in pulsed mode at different heat sink temperatures. The inset shows the electroluminescence spectrum at the drive current for the corresponding laser measured at in pulsed mode.
Lateral and vertical far field patterns of a wide and 1.2 mm long stripe laser under different pump currents. The inset shows the normalized lateral and vertical far field patterns at a drive current for a wide and 3.9 mm long stripe laser at with HR/AR coatings.
Pulsed light-current curve for a wide and 1.3 mm long stripe PBC laser at with HR/AR coatings. The inset shows light-current dependence of a wide and 4.0 mm long laser under cw operation.
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