期刊
SCIENTIFIC REPORTS
卷 7, 期 -, 页码 -出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/srep45243
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资金
- Australian Research Council [DE160100167]
- government of Russian Federation [MK-5903.2016.2]
- Dynasty Foundation
- MOE AcRF Tier 1 grant [2016-T1-1-084]
- MOE AcRF Tier 2 grant [2015-T2-1-055]
- [IBS-R024-D1]
- Australian Research Council [DE160100167] Funding Source: Australian Research Council
We consider exciton-photon coupling in semiconductor microcavities in which separate periodic potentials have been embedded for excitons and photons. We show theoretically that this system supports degenerate ground-states appearing at non-zero inplane momenta, corresponding to multiple valleys in reciprocal space, which are further separated in polarization corresponding to a polarization-valley coupling in the system. Aside forming a basis for valleytronics, the multivalley dispersion is predicted to allow for spontaneous momentum symmetry breaking and two-mode squeezing under non-resonant and resonant excitation, respectively.
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