Spectral dynamical behavior in two-section, quantum well, mode-locked laser at 1.064 μm

Wei Si-Hang^{1, 2}, Ma Ben^{1, 2}, Chen Ze-Sheng^{1, 2}, Liao Yong-Ping^{1, 2}, Hao Hong-Yue^{1, 2}, Zhang Yu^{1, 2}, Ni Hai-Qiao^{1, 2, †}, Niu Zhi-Chuan^{1, 2, ‡}

(color online) (a) Spectrum of 16A under 2.2 V reverse bias. The black arrows show the wavelength change direction. (b) Wavelength with the increasing injection current under 0 V, 1.5 V, and 2.2 V reverse biases for 16A. (c) Measured current ratio of two sections under 0 V, 1.5 V, and 2.2 V reverse biases.