Dual-Wavelength Operation of GaSb-Based Diode Lasers with Asymmetric Coupled Quantum Wells
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2019 The Author(s) 2019 OSA. The DBR diode lasers with asymmetric tunnel coupled quantum wells having built-in resonant second order nonlinearity were designed and fabricated. The devices can generate comparable power in two bands near 2 um separated by 13 meV as required for intracavity difference frequency generation.