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Updated: Jul 9, 2026

An Electrochemical Cholesteric Liquid Crystalline Device for Quick and Low-Voltage Color Modulation
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Dynamic Quantum Gate Based on Controllable Chiral Liquid Crystal Nanostructure.

Shi-Hui Ding1, Dong Zhu1, Yi-Heng Zhang1,2

  • 1National Laboratory of Solid State Microstructures, Key Laboratory of Intelligent Optical Sensing and Manipulation, College of Engineering and Applied Sciences, and Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, China.

Nano Letters
|July 8, 2026
PubMed
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Chiral liquid crystal (CLC) nanostructures offer a new platform for dynamic photonic quantum gates. This breakthrough enables versatile control over quantum states, advancing quantum information processing.

Area of Science:

  • Photonics
  • Quantum Information Science
  • Soft Matter Physics

Background:

  • Photonic quantum systems are key for quantum information processing due to their room-temperature operation and long coherence times.
  • Conventional photonic quantum gates face limitations such as large size, complex protocols, and fixed functionalities.

Purpose of the Study:

  • To explore chiral liquid crystal (CLC) nanostructures as a feasible platform for dynamic photonic quantum gates.
  • To demonstrate the implementation of essential quantum gates (Identity, S, Pauli-Z) using CLC nanostructures.
  • To investigate the dynamic control of entanglement transformations in photonic systems.

Main Methods:

  • Utilizing uniformly self-assembled chiral liquid crystal (CLC) nanostructures.
  • Tuning the nanostructure to achieve full Bloch sphere rotation in the circular regime.
Keywords:
chiral liquid crystal nanostructuredynamic controlhybrid entanglementquantum gate

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Last Updated: Jul 9, 2026

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  • Implementing dynamic control over polarization-entangled states and hybrid entanglement.

    • Main Results:

    • Demonstrated efficient implementation of Identity, S, and Pauli-Z gates using CLC nanostructures.
    • Achieved dynamic control over transformations between polarization-entangled states.
    • Showcased control of hybrid entanglement between polarization and orbital angular momentum, linking Poincaré and higher-order Poincaré spheres.

    Conclusions:

    • Soft-matter CLC nanostructures provide a versatile platform for dynamic photonic quantum gates.
    • This approach overcomes limitations of conventional photonic quantum gates.
    • Highlights the potential of CLC nanostructures in advancing photonic quantum systems and quantum information processing.