Photonic fusion of entangled resource states from a quantum emitter

2023/12/14 by Meng, Yijian, Faurby, Carlos F. D., Chan, Ming Lai +10 · 1 citation
#FOS: Physical sciences #Quantum Physics (quant-ph)

paper · doi:10.48550/arxiv.2312.09070

Abstract

Fusion-based photonic quantum computing architectures rely on two primitives: i) near-deterministic generation and control of constant-size entangled states and ii) probabilistic entangling measurements (photonic fusion gates) between entangled states. Here, we demonstrate these key functionalities by fusing resource states deterministically generated using a solid-state spin-photon interface. Repetitive operation of the source leads to sequential entanglement generation, whereby curiously entanglement is created between the quantum states of the same spin at two different instances in time. Such temporal multiplexing of photonic entanglement provides a resource-efficient route to scaling many-body entangled systems with photons.

Cited by

• Practical blueprint for low-depth photonic quantum computing with quantum dots

Related

• Scalable and modular generation of multipartite entangled states through memory-enhanced fusion
• Generating redundantly encoded resource states for photonic quantum computing
• Minimizing resource overhead in fusion-based quantum computation using hybrid spin-photon devices
• Entanglement-efficiency trade-offs in the fusion-based generation of photonic GHZ-like states
• Flexible entangled state generation in linear optics