Design considerations for semiconductor spin lasers |
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| Institution: | 1. Basque Center on Cognition Brain and Language, BCBL, Donostia-San Sebastián, Basque Country, Spain;2. University of La Laguna, Tenerife, Spain;3. Ikerbasque, Basque Foundation for Science, Bilbao, Spain;4. Departamento de Filología Vasca, EHU/UPV, Bilbao, Spain;1. Center for the Study of Applied Psychology, Key Laboratory of Mental Health and Cognitive Science of Guangdong Province, School of Psychology, South China Normal University, Guangzhou 510631, PR China;2. Department of Medical Imaging, Guangdong No. 2 Provincial People''s Hospital, Guangzhou 510317, PR China |
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| Abstract: | The threshold of semiconductor lasers is drastically reduced by injection of spin polarized electrons if the laser meets specific design rules. Taking into account the challenges of spin injection, spin transport, and spin relaxation, we discuss the threshold reduction in surface- and edge-emitting spin lasers at room temperature. |
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