Related Experiment Video
Updated: Sep 10, 2025
09:23
Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators
Published on: May 30, 2014
14.6K
Entanglement Measure-Based Sliding Mode Control for Quantum State Preparation.
IEEE Transactions on Cybernetics
|August 25, 2025
Summary
This study introduces a novel quantum control framework for generating diverse entangled states without fixed targets. The method flexibly creates various bipartite and multipartite entangled states, including maximally entangled states (MESs).
Area of Science:
- Quantum Information Science
- Quantum Control Theory
Background:
- Quantum entanglement is crucial for quantum information processing (QIP).
- Current quantum control methods often require predefined target states, limiting flexibility for diverse entanglement structures.
Purpose of the Study:
- To develop a flexible quantum control framework for generating a wide range of entangled states.
- To enable the creation of entangled states without specifying a fixed target state.
Main Methods:
- Introduced a sliding mode control (SMC) framework utilizing an entanglement measure as the sliding surface.
- Adjusted the desired entanglement level to generate various states, including bipartite/multipartite and pure/mixed states.
- Established Lyapunov stability for the control scheme.
Main Results:
- Successfully generated a wide range of entangled states, including maximally entangled states (MESs).
- The control law is independent of the number of subsystems due to the scalar-valued entanglement measure.
- Numerical simulations confirmed the robust generation of MESs in bipartite and multipartite systems.
Conclusions:
- The proposed SMC framework offers a flexible and robust method for generating diverse entangled states in QIP.
- This approach overcomes limitations of fixed-target control methods, enhancing adaptability for complex quantum systems.
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