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Optical gain in GaSe due to exciton-exciton recombination |
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| Authors: | IM Catalano A Cingolani M Ferrara M Lugará A Minafra |
| Institution: | Istituto di Fisica dell''Universitá, Bari, Italia |
| Abstract: | Measurements of the optical gain spectrum in high quality GaSe are reported. The mechanism for light amplification has been investigated, giving evidence that the exciton-exciton scattering process is responsible for stimulated emission. |
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