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(a) Optical spectra for different gain currents and Vabs = 0 V and (b) Wavelength spacing versus the gain current for three different reverse voltage Vabs = 0 V (square), Vabs = −3 V (circle), and Vabs = −5 V (triangle).
(Color online) Wavelength difference versus the square root of the emitted optical power for Vabs = 0 V.
(a)-(c) Electrical spectra for (a): Vabs = −1 V and I = 225 mA, (b):Vabs = −2 V and I = 225 mA, and (c): Vabs = −3.5 V and I = 281 mA. (d)-(f) The corresponding optical spectra.
(Color online) Autocorrelation traces for I = 281 mA, Vabs = −3.5 V, and two different cases (a) correspond to the original output and (b) one of the two sub-bands has been optically filtered.
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