Solving non-Hermitian physics for optical manipulation on a quantum computer

Yu-ang Fan; Xiao Li; Shijie Wei; Yishan Li; Xinyue Long; Hongfeng Liu; Xinfang Nie; Jack Ng; Dawei Lu

doi:10.1038/s41377-025-01769-2

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Solving non-Hermitian physics for optical manipulation on a quantum computer

Original Articles

- Solving non-Hermitian physics for optical manipulation on a quantum computer
- Light: Science & Applications Vol. 14, Issue 5, Pages: 1334-1344(2025)
- Affiliations：
  
  1.Department of Physics, Southern University of Science and Technology, Shenzhen 518055, China
  2.Shenzhen Institute for Quantum Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China
  3.Department of Physics, The Hong Kong University of Science and Technology, Hong Kong, China
  4.Beijing Academy of Quantum Information Sciences, Beijing 100193, China
  5.Quantum Science Center of Guangdong-HongKong-Macao Greater Bay Area, Shenzhen 518045, China
  6.International Quantum Academy, Shenzhen 518055, China
- Author bio：
  
  Jack Ng (wuzh3@sustech.edu.cn)
  Dawei Lu (ludw@sustech.edu.cn)
- Funds：
- DOI：10.1038/s41377-025-01769-2
  CLC：
- Received：11 July 2024，
  
  Revised：24 January 2025，
  
  Accepted：27 January 2025，
  
  Published Online：21 March 2025，
  
  Published：31 May 2025
- Accepted：
Scan QR Code
Fan, Y. A. et al. Solving non-Hermitian physics for optical manipulation on a quantum computer. Light: Science & Applications, 14, 1334-1344 (2025).
DOI：

Fan, Y. A. et al. Solving non-Hermitian physics for optical manipulation on a quantum computer. Light: Science & Applications, 14, 1334-1344 (2025). DOI： 10.1038/s41377-025-01769-2.

摘要

Abstract

Intense laser light

with its ability to trap small particles

is providing us unprecedented access to the microscopic world. Nevertheless

owing to its open nature

optical force is nonconservative and can only be described by a non-Hermitian theory. This non-Hermiticity sets such system apart from conventional systems and has offered rich physics

such as the possession of the exceptional points. Consequently

analyzing and demonstrating the dynamics of large optically-bound clusters becomes an intricate challenge. Here

we developed a scalable quantum approach that allows us to predict the trajectories of optically trapped particles and tackle the associated non-Hermitian physics. This approach is based on the linear combination of unitary operations. With this

we experimentally revealed the non-Hermiticity and exceptional point for a single or multiple particles trapped by optical force fields

using a nuclear magnetic resonance quantum processor. Our method's scalability and stability have offering a promising path for large-scale optical manipulation with non-Hermitian dynamics.

关键词

Keywords

references

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