Summary:

• Investigates the use of entanglement measurements in a photonic VQE setup, aiming to lessen experimental requirements.
• Demonstrates reduction in the number of measurement setups needed by employing linear optics for entanglement.
• Presents potential error mitigation in measurement apparatus through this innovative approach.

Importance: This study provides a critical advancement in VQE implementations, reducing experimental overhead and enhancing feasibility for practical applications. It signifies a step forward in making quantum computations more accessible and efficient.