Figure 6From: Gain studies of 1.3-μm dilute nitride HELLISH-VCSOA for optical communicationsMeasured PL + laser, EL, sum (EL + PL and laser), and EPL + laser spectra. This was through an applied electric field of E = 2 kV/cm and an excitation wavelength of λ = 1.3 μm at T = 20°C.Back to article page