Journal
CARBON
Volume 157, Issue -, Pages 724-730Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.carbon.2019.10.103
Keywords
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Funding
- National Natural Science Foundation of China (NSFC) [11404410, 11174372, 51701243]
- Undergraduate Innovation and Entrepreneurship Training Program of Central South University of Forestry and Technology [72]
- Foundation of Talent Introduction of Central South University of Forestry and Technology [104-0260]
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In this work, we theoretically propose a highly-flexible optical bistable switch based on a suspended monolayer Z-shaped graphene nanoribbon nanoresonator (NR). It is shown that bistable nonlinear absorption and refraction response will appear in the strong exciton-NR coupling rme. Specifically, we plot bistability phase diagrams within the system's parameter subspace and derive the critical conditions for optical bistability (OB), which allow one to switch precisely and efficiently OB on/off. The scheme proposed here not only provides a unique platform for measuring the coupling strength between the exciton and the NR, but also may eventually enable applications in the quantum optics and quantum information processing. (C) 2019 Elsevier Ltd. All rights reserved.
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