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High-power narrow ridge waveguide lasers emitting with a wavelength around 1.3 μm were realised with a single In0.36GaAsN0.022 quantum well with GaAs barriers. A narrow vertical far-field angle of 35° was obtained. Single lateral mode continuous-wave operation with slope efficiency of 0.57 W/A, series resistance of 2.6 Ω, and kink-free output power of 210 mW was achieved.
Date of Publication: 27 Nov. 2003