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High Power Mid-Infrared Interband Cascade Lasers
Published online by Cambridge University Press: 10 February 2011
Abstract
We have demonstrated 4-μm InAs/InGaSb/AlSb interband cascade lasers with optical output power close to 0.5 W per facet with 1-μs pulses at 1 kHz repetition rate. At 10% duty cycle, an average output power ∼20 mW was realized. External and internal quantum efficiencies exceeding 200% have been achieved at 80 K.
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- Copyright © Materials Research Society 1998