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29 March 2024 |
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Article overview
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Photonic Newton's Cradle for Remote Energy Transport | Zhen Feng
; Zhen-Wei Gao
; Lian-Ao Wu
; Hao Tang
; Ke Sun
; Cheng-Qiu Hu
; Yao Wang
; Zhan-Ming Li
; Xiao-Wei Wang
; Yuan Chen
; En-Ze Zhang
; Zhi-Qiang Jiao
; Xiao-Yun Xu
; Jun Gao
; Ai-Lin Yang
; Xian-Min Jin
; | Date: |
22 Jan 2019 | Abstract: | Energy transport is of central importance in understanding a wide variety of
transitions of physical states in nature. Recently, the coherence and noise
have been identified for their existence and key roles in energy transport
processes, for instance, in a photosynthesis complex, DNA, and odor sensing
etc, of which one may have to reveal the inner mechanics in the quantum regime.
Here we present an analog of Newton’s cradle by manipulating a
boundary-controlled chain on a photonic chip. Long-range interactions can be
mediated by a long chain composed of 21 strongly coupled sites, where
single-photon excitations are transferred between two remote sites via
simultaneous control of inter-site weak and strong couplings. We observe a high
retrieval efficiency in both uniform and defect-doped chain structures. Our
results may offer a flexible approach to Hamiltonian engineering beyond
geometric limitation, enabling the design and construction of quantum
simulators on demand. | Source: | arXiv, 1901.7574 | Services: | Forum | Review | PDF | Favorites |
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