Polariton microfluidics for nonreciprocal dragging and reconfigurable shaping of polaritons
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arXiv
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| Autori principali: | , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2023
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| _version_ | 1866914664078639104 |
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| author | Cui, Zhenyang Xia, Sihao Shen, Lian Zheng, Bin Chen, Hongsheng Wu, Yingjie |
| author_facet | Cui, Zhenyang Xia, Sihao Shen, Lian Zheng, Bin Chen, Hongsheng Wu, Yingjie |
| contents | Dielectric environment engineering is an efficient and general approach to manipulating polaritons. Liquids serving as surrounding media of polaritons have been used to shift polariton dispersions and tailor polariton wavefronts. However, those liquid-based methods have so far been limited to their static states, not fully unleashing the promises offered by the mobility of liquids. Here, we propose a microfluidic strategy for polariton manipulation by merging polaritonics with microfluidics. The diffusion of fluids causes gradient refractive indices over microchannels, which breaks the symmetry of polariton dispersions and realizes the non-reciprocal dragging of polaritons. Based on polariton microfluidics, we also design a set of on-chip polaritonic elements to actively shape polaritons, including planar lenses, off-axis lenses, Janus lenses, bends, and splitters. Our strategy expands the toolkit for the manipulation of polaritons at the subwavelength scale and possesses potential in the fields of polariton biochemistry and molecular sensing. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2311_17308 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Polariton microfluidics for nonreciprocal dragging and reconfigurable shaping of polaritons Cui, Zhenyang Xia, Sihao Shen, Lian Zheng, Bin Chen, Hongsheng Wu, Yingjie Optics Applied Physics Dielectric environment engineering is an efficient and general approach to manipulating polaritons. Liquids serving as surrounding media of polaritons have been used to shift polariton dispersions and tailor polariton wavefronts. However, those liquid-based methods have so far been limited to their static states, not fully unleashing the promises offered by the mobility of liquids. Here, we propose a microfluidic strategy for polariton manipulation by merging polaritonics with microfluidics. The diffusion of fluids causes gradient refractive indices over microchannels, which breaks the symmetry of polariton dispersions and realizes the non-reciprocal dragging of polaritons. Based on polariton microfluidics, we also design a set of on-chip polaritonic elements to actively shape polaritons, including planar lenses, off-axis lenses, Janus lenses, bends, and splitters. Our strategy expands the toolkit for the manipulation of polaritons at the subwavelength scale and possesses potential in the fields of polariton biochemistry and molecular sensing. |
| title | Polariton microfluidics for nonreciprocal dragging and reconfigurable shaping of polaritons |
| topic | Optics Applied Physics |
| url | https://arxiv.org/abs/2311.17308 |