Quantum cascade lasers with voltage defect of less than one longitudinal optical phonon energy
Matthew D. Escarra, Anthony J. Hoffman, Kale J. Franz, Scott S. Howard, Richard Cendejas et al.
Efficient use of applied voltage in quantum cascade (QC) lasers is a critical factor in achieving high wall-plug efficiency and low compliance voltage. We demonstrate a QC laser emitting at 4.2 [mu]m featuring a low voltage defect and short injector with only four quantum wells. Devices with a volt ... [Appl. Phys. Lett. 94, 251114 (2009)] published Thu Jun 25, 2009.
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Efficient use of applied voltage in quantum cascade (QC) lasers is a critical factor in achieving high wall-plug efficiency and low compliance voltage. We demonstrate a QC laser emitting at 4.2 [mu]m featuring a low voltage defect and short injector with only four quantum wells. Devices with a volt ... [Appl. Phys. Lett. 94, 251114 (2009)] published Thu Jun 25, 2009.
Read full Article »
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