| 11. | Multiple quantum wells improve the overlap of the gain region with the optical waveguide mode.
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| 12. | As the electrons hop between gallium arsenide quantum wells in the superlattice they emit phonons.
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| 13. | They created quantum wells with a soft confinement potential to lessen the non-radiative Auger processes.
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| 14. | An example of such a device is a quantum well infrared photodetector ( QWIP ).
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| 15. | The electron injector typically consists of a longer series of InAs / AlSb quantum wells.
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| 16. | Polariton condensation was firstly detected for exciton-polaritons in a quantum well microcavity kept at 5 K.
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| 17. | This allows extremely high performance and high electron mobility HEMT transistors and other quantum well devices.
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| 18. | Quantum well infrared photodetectors are also based on quantum wells, and are used for infrared imaging.
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| 19. | Carriers such as electrons and holes can only have discrete energy values inside the quantum well.
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| 20. | Photoconductive gain in a quantum well infrared photodetector.
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