Journal
SCIENCE ADVANCES
Volume 8, Issue 40, Pages -Publisher
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/sciadv.abq7533
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Funding
- National Science Centre [2019/35/B/ST3/04147, 2019/33/B/ST5/02658, 2018/31/N/ST3/03046, 2017/27/B/ST3/00271]
- European Union [899141, 964770]
- NAWA Canaletto grant [PPN/BIT/2021/1/00124/U/00001]
- Icelandic Research Fund (Rannis) [217631-051]
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This research demonstrates the control of spin-orbit coupling in photons by electrically tuning the microcavity, as well as the integration of spinoptronic devices with electronics through electrical control of the light-matter coupling conditions and artificial gauge fields.
The field of spinoptronics is underpinned by good control over photonic spin-orbit coupling in devices that have strong optical nonlinearities. Such devices might hold the key to a new era of optoelectronics where momentum and polarization degrees of freedom of light are interwoven and interfaced with electronics. However, manipulat-ing photons through electrical means is a daunting task given their charge neutrality. In this work, we present electrically tunable microcavity exciton-polariton resonances in a Rashba-Dresselhaus spin-orbit coupling field. We show that different spin-orbit coupling fields and the reduced cavity symmetry lead to tunable formation of the Berry curvature, the hallmark of quantum geometrical effects. For this, we have implemented an architecture of a photonic structure with a two-dimensional perovskite layer incorporated into a microcavity filled with nematic liquid crystal. Our work interfaces spinoptronic devices with electronics by combining electrical control over both the strong light-matter coupling conditions and artificial gauge fields.
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