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Extremely wide lasing bandwidth from InAs/InP quantum-dash ridge-waveguide laser near 1.6 µm

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We demonstrate an ultra-broad lasing bandwidth (-3dB) of > 50 nm utilizing InAs/InGaAlAs/InP quantum-dash ridge-waveguide laser using chirped AlGaInAs barrier layer thickness. Our device exhibits a recorded bandwidth and significant improvement of laser characteristics.

© 2013 Optical Society of America

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