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Room-temperature broadband emission of an InGaAs GaAs quantum dots laser

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Abstract

We report the first demonstration to our knowledge of an ultrabroad emission laser using InGaAsGaAs quantum dots by cycled monolayer deposition. The device exhibits a lasing wavelength coverage of 40nm at an 1160nm center wavelength at room temperature. The broadband signature results from the superposition of quantized lasing states from highly inhomogeneous dots.

© 2006 Optical Society of America

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