期刊
IEEE PHOTONICS TECHNOLOGY LETTERS
卷 21, 期 14, 页码 1008-1010出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LPT.2009.2021954
关键词
Quantum dots (QDs); semiconductor lasers
资金
- Methusalem Foundation
- Conseil Regional de Lorraine
- BELSPO IAP [6/10]
- FWO-Vlaanderen
- OZR-VUB
- COST [MP0702]
- Deutsche Forschungsgemeinschaft [Sfb 787]
- State of Berlin [100 100]
We demonstrate experimental evidence of polarization switching accompanied by polarization-mode hopping in quantum-dot vertical-cavity surface-emitting lasers. In our case, the polarization switching is associated with a change of linearly polarized light to elliptically polarized one, hence switching takes place between elliptically polarized states. Current-modulation measurements show that the polarization switching is of thermal origin.
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