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Light-current characteristic of a five-QD-layer laser. The inset shows the emission spectrum at 1295 nm.
Net gain as a function of wavelength under cw operation.
Wavelength shift of three longitudinal modes below and above threshold. The inset shows the wavelength shift vs the current.
-factor obtained from the three longitudinal modes.
-factor of the five-QD-layer laser under dynamic characterization.
-factor of the three-QD-layer laser under dynamic characterization.
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